Monday, May 2, 2011

General description,Features and Applications about Ic components BAV99 series

General description
High-speed switching diodes, encapsulated in small Surface-Mounted Device (SMD)
plastic packages.

Features and benefits
1.High switching speed: trr ≤ 4 ns
2.Low capacitance: Cd ≤ 1.5 pF
3.Low leakage current
4.Reverse voltage: VR ≤ 100 V
5.Small SMD plastic packages
6.AEC-Q101 qualified

Applications
1.High-speed switching
2.Reverse polarity protection
3.General-purpose switching
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Thursday, April 28, 2011

Electronic components TC75S55F and IC trading market Site recommended

The electronic components TC75S55F/TC75S55FU/TC75S55FE is a CMOS singleoperation amplifier which incorporates a phase compensation circuit. It is designed for use with a low- voltage, low-current power supply; this differentiates this device from conventional  general-purpose bipolar op-amps.

Features follows:

1.Low-voltage operation : VDD = ±0.9~3.5 V or 1.8~7 V

2.Low-current power supply : IDD (VDD = 3 V) = 10 μA (typ.)

3.any external device

4.Ultra-compact package

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Electronic components TC75S55F and IC trading market Site recommended

The electronic components TC75S55F/TC75S55FU/TC75S55FE is a CMOS singleoperation amplifier which incorporates a phase compensation circuit. It is designed for use with a low- voltage, low-current power supply; this differentiates this device from conventional  general-purpose bipolar op-amps.

Features follows:

1.Low-voltage operation : VDD = ±0.9~3.5 V or 1.8~7 V

2.Low-current power supply : IDD (VDD = 3 V) = 10 μA (typ.)

3.any external device

4.Ultra-compact package

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Wednesday, April 27, 2011

Description and Features about electronic component D45C12

The electronic components D45C12 and D44C12 are[1]for general purpose driver or
medium power output stages in CW or switching applications.

Features

1.Low Collector-Emitter Saturation Voltage - 0.5 V (Max)

2.High ft for Good Frequency Response

3.Low Leakage Current

4.Pb-Free Packages are Available

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Description and Features about electronic component D45C12

The electronic components D45C12 and D44C12 are[1]for general purpose driver or
medium power output stages in CW or switching applications.

Features

1.Low Collector-Emitter Saturation Voltage - 0.5 V (Max)

2.High ft for Good Frequency Response

3.Low Leakage Current

4.Pb-Free Packages are Available

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Tuesday, April 26, 2011

Applications and Features about electronic component B57621 from Hqew.net

Applications

1.Temperature measurement and
compensation in
– hybrid circuits
– data systems
– telecom systems
– automotive electronics

Features

1.Silver palladium termination (AgPd)

2.Cost-effective

3.Suitable for wave and reflow soldering

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Sunday, April 24, 2011

General features,Description and Applications about Electronic components STB75NF20 series

Electronic component STB75NF20,STP75NF20 and STW75NF20 is series model,General features,Description and Applications belows:

General features

1.Exceptional dv/dt capability

2.Low gate charge

3.100% Avalanche tested

Description

This Power MOSFET series realized with STMicroelectronics unique STripFET™ process
has specifically been designed to minimize input capacitance and gate charge. It is  therefore suitable as primary switch in advanced highefficiency isolated DC-DC converters

Applications

Switching application

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FEATURES,APPLICATIONS and DESCRIPTION about electronic components BF240

Thursday, April 21, 2011

Description Introduction about IC parts BP5220A, BP5221A

The electronic components BP5220A, BP5221A, electronic component BP5222A, are DC / DC  converters that use a pulse width modulation (PWM) system. They contain control circuits,  switching devices, rectifiers, and coils, and operate by only connecting an I / O  smoothing capacitor.

With a high efficiency of power conversion, the modules are available in stand-alone
9-pin SIP packages with no heat sink required. They can be applied to various purposes by  fine-adjusting the output voltage and switching on and off. With a wide range of input  voltage, the modules are best suited for obtaining a stable local power supply from a main power supply with a large voltage variation.

Description Introduction about IC parts 74LVX161284A

The electronic components LVX161284A contains eight bidirectional data buffers and eleven  control/status buffers to implement a full IEEE 1284 compliant interface. The device  supports the IEEE 1284 standard, with the exception of output slew rate,and is intended to  be used in an Extended Capabilities Port mode (ECP). The pinout allows for easy  semiconductor connection from the Peripheral (A-side) to the Host (cable side).

Outputs on the cable side can be configured to be either open drain or high drive (± 14  mA) and are connected to aseparate power supply pin (VCCcable) to allow these outputs
to be driven by a higher supply voltage than the A-side. The pull-up and pull-down series  termination resistance of these outputs on the cable side is optimized to
drive an external cable. In addition, all inputs (except HLH) and outputs on the cable  side contain internal pull-up resistors connected to the VCCcable supply to provide  proper termination and pull-ups for open drain mode.

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Wednesday, April 20, 2011

DESCRIPTION about electronic component LVX273 and Industry web recommended

The semiconductor  LVX273 has eight edge-triggered D-type flip-flops with
individual D inputs and Qoutputs. The common buffered Clock (CP) and Master Reset (MR)
input load and reset (clear) all flip-flops simultaneously.
The register is fully edge-triggered. The state of each Dinput, one setup time before the
LOW-to-HIGH clock transition,is transferred to the corresponding flip-flop’s Q output.
All outputs will be forced LOW independently of Clock or Data inputs by a LOW voltage
level on the MR input.
The device is useful for applications where the true output only
is required and the Clock and Master Reset are common to all storage elements. The inputs
tolerate up to 7V allowing interface of 5V systems to 3V systems.

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Tuesday, April 19, 2011

Electronic components Industry recommended and model introduction

Electronic components famous enterprise is Hqew.net,many hot model such as Lm358,lm317ne555 and so on,other 74LV74,Introduces the FEATURES about electronic components 74LV74  and electronic component lm358 details.

FEATURES
1.Wide operating voltage: 1.0 to 5.5V
2.Optimized for Low Voltage applications: 1.0 to 3.6V
3.Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V
4.Typical VOLP (output ground bounce)   0.8V @ VCC = 3.3V,
Tamb = 25°C
5.Typical VOHV (output VOH undershoot)   2V @ VCC = 3.3V,
Tamb = 25°C
6.Output capability: standard
7.ICC category: flip-flops

The electronic component LM158 series consists of two independent, high gain, internally frequency compensated  operational amplifiers which were designed specifically to operate from a single power  supply over a wide range of voltages.

Thursday, April 14, 2011

Description about ic components M41T00 introduction

The following information about electronic component M41T00 description from Hqew.net  below:
The M41T00 is a low power serial real time clock with a built-in 32.768 kHz oscillator  (external crystal controlled). Eight bytes of the RAM are used for the clock/calendar  function and are configured in binary coded decimal (BCD) format.

Addresses and data are transferred serially via a two-line bidirectional bus. The built-in  address register is incremented automatically after each WRITE or READ data byte.

The electronic components M41T00 clock has a built-in power sense circuit which detects power failures and
automatically switches to the battery supply during power failures. The energy needed to
sustain the RAM and clock operations can be supplied from a small lithium coin cell.

Typical data retention time is in excess of 5 years with a 50 mA/h 3 V lithium cell (see 
Section 2.10:Data retention mode for AC/DC characteristics).
The M41T00 is supplied in 8-lead plastic small outline package.

Characteristics and DESCRIPTION about electronic components L6201

1.SUPPLY VOLTAGE UP TO 48V

2.5A MAX PEAK CURRENT (2A max. for electronic components L6201)

3.TOTAL RMS CURRENT UP TO

4.L6201: 1A; L6202: 1.5A; L6203/L6201PS: 4A

5.RDS (ON) 0.3 W (typical value at 25 °C)

6.CROSS CONDUCTION PROTECTION

7.TTL COMPATIBLE DRIVE

8.OPERATING FREQUENCY UP TO 100 KHz

9.THERMAL SHUTDOWN

10.INTERNAL LOGIC SUPPLY

11.HIGH EFFICIENCY

DESCRIPTION
The I.C. is a full bridge driver for motor control applications realized in Multipower-BCD
technology which combines isolated DMOS power transistors with CMOS and Bipolar circuits
on the same chip.

By using mixed technology it has been possible to optimize the logic circuitry and the
power stage to achieve the best possible performance. The DMOS output transistors can
operate at supply voltages up to 42V and efficiently at high switching speeds. All the
logic inputs are TTL, CMOS and mC compatible. Each channel (half-bridge) of the device is
controlled by a separate logic input, while a common enable controls both channels.
The I.C. is mounted in three different packages.

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Wednesday, April 13, 2011

Describe and characteristics about ic components LMC568 details

The electronic components LMC568 is an amplitude-linear phase-locked loop consisting of a linear
VCO, fully balanced phase detectors, and a carrier detect output. LMCMOS™ technology is employed for
high performance with low power consumption.

The VCO has a linearized control range of ±30% to allow demodulation of FM and FSK signals. Carrier
detect is indicated when the PLL is locked to an input signal greater than 26 mVrms. electronic component LMC568 applications include FM SCA and TV second audio program decoders, FSK data demodulators,and voice pagers.

Features

1.Demodulates ±15% deviation FM/FSK signals

2.Carrier Detect Output with hysteresis

3.Operation to 500 kHz input frequency

4.Low THD—0.5% typ. for ±10% deviation

5.2V to 9V supply voltage range

6.Low supply current drain

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Tuesday, April 12, 2011

Features and Mechanical Data about electronic components BAT54-V

Features

* These diodes feature very low turn-on
voltage and fast switching

* These devices are protected by a PN
junction guard ring against excessive
voltage, such as electrostatic
discharges

* Lead (Pb)-free component

* Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC

Mechanical Data

* Case: SOT23 plastic case

* Weight: approx. 8.8 mg

* Packaging codes/options:

* GS18/10k per 13" reel (8 mm tape), 10k/box

* GS08/3k per 7" reel (8 mm tape), 15k/box

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Monday, April 11, 2011

description and features about Ic components BAT54AWT1

electronic components SBR3U150LP description and features:
These Schottky barrier diodes are designed for high speed switching
applications, circuit protection, and voltage clamping. Extremely low
forward voltage reduces conduction loss. Miniature surface mount
package is excellent for hand held and portable applications where
space is limited.
Features
1.Extremely Fast Switching Speed
2.Low Forward Voltage 0.35 V (Typ) @ IF = 10 mAdc
3.Pb Free Packages are Available
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Thursday, April 7, 2011

FEATURES about ic components L6561 and IC site recommended

FEATURES below:

1.VERY PRECISE ADJUSTABLE OUTPUT
OVERVOLTAGE PROTECTION

2.MICRO POWER START-UP CURRENT (50μA
TYP.)

3.VERY LOW OPERATING SUPPLY
CURRENT(4mA TYP.)

4.INTERNAL START-UP TIMER

5.CURRENT SENSE FILTER ON CHIP

6.DISABLE FUNCTION

7.1% PRECISION (@ Tj = 25°C) INTERNAL
REFERENCE VOLTAGE

8.TRANSITION MODE OPERATION

9.TOTEM POLE OUTPUT CURRENT: ±400mA

10.DIP-8/SO-8 PACKAGES

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Wednesday, April 6, 2011

The features about ic components MAX8732A

The ic components MAX8732A features a 200kHz/5V and 300kHz/3.3V SMPS for highest  efficiency, while the MAX8733A features a 400kHz/5V and 500kHz/3.3V SMPS for “thin and  light” applications. The MAX8734A provides a pinselectable switching frequency,  allowing either 200kHz/300kHz or 400kHz/500kHz operation of the 5V/3.3V SMPSs,  respectively.

The electronic components MAX8732A/MAX8733A/MAX8734A are available in 28-pin QSOP  packages and operate over the extended temperature range (-40°C to +85°C).
The electronic component MAX8732A/MAX8733A/MAX8734A are pin-for-pin upgrades to the 
MAX1777/MAX1977/MAX1999.The MAX1999 evaluation kit (EV kit) can be used to evaluate the  MAX8732A/MAX8733A/MAX8734A.

Saturday, April 2, 2011

Ic components ISL28190 detailed information from Hqew.net

Hqew.net offer ic components ISL28190,plenty of suppliers ISL28190 PDF  material,Hqew.net is currently the largest electronic nets Electronic components  trading website, dedicated to one of suppliers and buyers to provide high quality  services.

The electronic components ISL28190 and electronic component ISL28290 are tiny single and dual ultra-low noise, ultra-low  distortion operational amplifiers.

Fully specified to operated down to +3V single supply. These amplifiers have outputs  that swing rail-to-rail, and an input common mode voltage that extends below ground  (ground sensing).

The ISL28190 and ISL28290 are unity gain stable with an input referred voltage noise of  1nV/√Hz. Both parts feature 0.00017% THD+N @ 1kHz.

The ISL28190 is available in the space-saving 6 Ld μTDFN (1.6mmx1.6mm) and 6 Ld SOT-23  packages. The ISL28290 is available in the 10 Ld μTQFN (1.8mmx1.4mm) and 10 Ld
MSOP packages. All devices are guaranteed over -40°C to +125°C.

Thursday, March 31, 2011

If you heard Hqew.net at Korea electronics show

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Hqew.net attends KES 2010,Under the slogan "IT is my life", the 41st Korea Electronics Show 2010 (KES 2010) was held on from October 12th to 15th at KINTEX (Korea International Exhibition Center) in Seoul, Korea As to strengthen the communication and cooperation with suppliers.Hqew.com organized some good suppliers to participate in this exhibition. For those, it is an way to develop the international market.
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Wednesday, March 30, 2011

provides ic components MC10149L25 description information-Hqew.net

Hqew.net provides ic components MC10149L25 technical data download, manufacturers  inquires the, you can also read the latest and the most professional online electronic components MC10149L25 technical material.

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Product Category:
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Tuesday, March 29, 2011

Single 8-Channel/Differential 4-Channel,CMOS Analog Multiplexers

The electronic components DG408 Single 8-Channel, and DG409 Differential 4-Channel  monolithic CMOS analog multiplexers are drop-in replacements for the popular DG508A and  DG509A series devices.

They each include an array of eight analog switches, a TTL/CMOS  compatible digital decode circuit for channel selection, a voltage reference for logic  thresholds and an ENABLE input for device selection when several multiplexers are  present.

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Monday, March 28, 2011

Ic components CD4013BM and CD4013BC general description

The electronic component CD4013B dual D flip-flop is a monolithic complementary MOS  (CMOS) integrated circuit constructed with N- and P-channel enhancement mode  transistors. Each flip-flophas independent data, set, reset, and clock inputs and ``Q''  and ``Q'' outputs.

 These devices can be used for shift register applications, and by connecting ``Q''  output to the data input, for counter and toggle applications.

The logic level present at the ``D'' input is transferred to the Q output during
the positive-going transition of the clock pulse. Setting or resetting is independent 
of the clock and is accomplished by a high level on the set or reset line respectively.
Other electronic components LM358,LM317,NE555,LM324 or ic components LM339 is popular  electronic components model.

Friday, March 25, 2011

General Description about electronic components LM324

The ic components LM324 series consists of four independent, high gain,internally  frequency compensated operational amplifiers which were designed specifically to  operate from a single power supply over a wide range of voltages. Operation from split  power supplies is also possible and the low power supply current drain is independent  of the magnitude of the power supply voltage.

Application areas include transducer amplifiers, DC gain blocks and all the  conventional op amp circuits which now can be more easily implemented in single power  supply systems.

For example, the electronic component LM324 series can be directly operated off of the standard +5V power  supply voltage which is used in digital systems and will easily provide the required
interface electronics without requiring the additional ±15V power supplies.

electronic components LM324 Unique Characteristics:

1.range includes ground and the output voltage can also swing to ground, even though  operated from only a single power supply voltage

2.The unity gain cross frequency is temperature compensated

3.The input bias current is also temperature compensated

Thursday, March 24, 2011

Description about ic components IR2110/ IR2113

Description about ic components IR2110/ IR2113 belows:

The electronic components IR2110 and electronic component IR2113 are high voltage, high speed power MOSFET and IGBT drivers with independent high and low side referenced output channels. Proprietary HVIC

and latch immune CMOS technologies enable ruggedized monolithic construction. Logic inputs are compatible with standard CMOS or LSTTL output.

The output drivers feature a high pulse current buffer stage designed for minimum driver cross-conduction. Propa-gation delays are matched to simplify use in high frequency applications. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high side configuration which operates up to 500 or 600 volts.

Wednesday, March 23, 2011

Dougherty Receives Electronics Industry Award

Atlanta, Ga. -- The Electronic Components Industry Association (ECIA) will honor Dr. Joseph Dougherty of Penn State University with the prestigious Dr. Felix Zandman Industry Leadership Award at its upcoming CARTS USA 2011 symposium in Jacksonville, FL.

The award originated in 2005 and is named after the founder and chairman of Vishay Intertechnology. It recognizes individuals who have made outstanding technical contributions to the passive electronic components industry. “Honorees personify the dedication and perseverance of vision in the electronic components industry, traits synonymous with Dr. Zandman,” says Bob Willis, ECIA Chief Technical Officer.
In learning of the award and passing along the monetary gift, Dr. Dougherty acknowledged “I am glad to have an opportunity to show my appreciation for the wonderful background that Villanova Electrical Engineering provided for my career.”
CARTS, the world’s leading technical conference for the passive electronic components industry, provides component engineers and designers with the latest technical and market intelligence of capacitors, resistors, and other passive components. It will be held March 28-31 at the Hyatt Regency Waterfront in Jacksonville, FL. More information is available
CARTS USA 2011 is sponsored by the electronic component Industry Association (ECIA), bringing the resources of ECA and NEDA together to provide the most comprehensive passive electronic components technology conference yet. The Electronic Components Industry Association (ECIA) is a not-for-profit trade association representing manufacturers of electronic components and their supplier authorized distribution partners and independent field sales representatives. The association is dedicated to promoting and improving the business environment for the authorized sales of ic components.
reproduced :ebnonline

Tuesday, March 22, 2011

Hqew.net is an professional B2B marketplace of IC components

Hqew.net is an professional B2B marketplace of electronic components IC & Semi-conductors,featuring excess inventory and rare and obsolete products from the Asia Pacific region.

 Our platform has supported thousands of users from nearly 200 countries and  regions with the number of users increasing steadily every day. We strive to provide a  highly reliable and efficient trading channel for traders, buyers and sellers.

Provide ic components model, price, download data and other information。

Monday, March 21, 2011

The operating current level about electronic components LTC1736

The operating current level about electronic components LTC1736 is user-programmable  via an external current sense resistor. Wide input supply range allows operation from  3.5V to 30V (36V maximum).

Pin defeatable Burst ic components ModeTM operation provides high efficiency at low load currents.
OPTI-LOOP compensation allows the transient response to be optimized over a wide
, LTC and LT are registered trademarks of Linear Technology Corporation. range of  output capacitance and ESR values.

Daily life in our paid little attention to these parameters,those is very useful in  academic research.

Thursday, March 17, 2011

About Ic components LM117/LM317A/LM317 Performance index

Ic components LM117/LM317A/LM317 many aspects performance,now lists some

Besides replacing fixed regulators, the electronic components LM117 is useful in a wide variety of other applications. Since the regulator is “floating” and sees only the input-to-output differential voltage,voltage,supplies of several hundred volts can be regulated as

long as the maximum input to output differential is not exceeded,i.e., avoid short-circuiting the output.
Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment pin and output, the

electronic component LM317 can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output
to 1.2V where most loads draw little current.

For applications requiring greater output current, see LM150 series (3A) and LM138 series (5A) data sheets. For the negative complement, see electronic component LM137 series data sheet.

The features about series of ic components CA139

Detailed introduction features series of ic components such as CA139, CA139A, CA239,  CA339,electronic component LM339 and electronic components LM2901,and so on

Features follows:

1.Operation from Single or Dual Supplies

2.Common Mode Input Voltage Range to GND

3.Output Voltage Compatible with TTL, DTL, ECL,
MOS and CMOS

4.Differential Input Voltage Range Equal to the
Supply Voltage

5.Maximum Input Offset Voltage (VIO)
- CA139A 2mV
- CA139, CA239, CA339 5mV
- LM2901 7mV
- LM3302 20mV

6.Replacement for Industry Types 139, 239, 339, 139A,2901, 3302

Wednesday, March 16, 2011

ic components GAL16V8 and GAL20V8 with TTL and CMOS level compatible?

ic components GAL20V8 and GAL16V8 (hereinafter referred to as GAL) some time ago I
have used. Them with the TTL, CMOS compatible situation as follows:

1.GAL and the TTL of 74,74 LS, 74ALS series are compatible;

2.GAL is compatible with the CMOS of the 74HCT series, which is not compatible with the 
74HC series, because the 74HC series of Vih (min) = 3.5V, GAL's Voh (min) = 2.4v.

3.GAL is not compatible with the electronic components 74HC series is not to say they can not be mixed, the general solution is as follows, for reference: 74HC series logic level when driving GAL compatible; electronic component GAL 74HC Series driver circuit is required in the GAL and power output of between the access pull-up resistor.

Tuesday, March 15, 2011

Buy lm358 parts Online, download datasheets, View Manufacturer Info at hqew.net

hqew.net is the trade market of electronic components,supply LM358、005BB、02CZ39、electronic component 02CZ12-Y、0243-00
Low Power Dual Operational Amplifier
Introduction the features of ic components LM358
•  Available in 8-Bump micro SMD chip sized package, (See AN-1112)
•  Internally frequency compensated for unity gain
•  Large dc voltage gain: 100 dB
•  Wide bandwidth (unity gain): 1 MHz (temperature compensated)
•  Wide power supply range:
•  Single supply: 3V to 32V
•  or dual supplies: ±1.5V to ±16V
•  Very low supply current drain (500 µA)-essentially independent of supply voltage
•  Low input offset voltage: 2 mV
•  Input common-mode voltage range includes ground
•  Differential input voltage range equal to the power supply voltage
•  Large output voltage swing

Thursday, March 10, 2011

A detailed description about the ic components model SP212-A

The electronic components model SP212-A is a true, full range system that provides unprecedented bandwidthand maximum SPL in a single system package. With nominal 85° coverage pattern, systems can be splayed together for additional coverage and/or SPL requirements.

The powerful 12" VGC (Vented Gap CooledTM) LF transducer provides powerful transient bass.
The OASR (Optimized Aperture Symmetrical RadiatorTM) is a new design in pattern control,
it provides enhanced dispersion control in all axis, while maintaining the principle of Optimized ApertureTM, low distortion and clear transient highs.

The performance of the related ic component are introduced many,a lot of main features about electronic component LM358/LM317. Others hot ic components model such as NE555/LM324/LM339 and so on.

An obvious question about electronic components

Essentially still stuck in a 1950s time warp where it comes to passive electronic components. This raises an obvious question: What if someone figured out a way to do  for passive components what past pioneers did for active ones? The results would be  revolutionary.

Change, development is the outlet of electronic component market,For future  development,Since the structure of the various amalgamated ceramics is so precisely  controllable, the kinds of tolerances required to shrink passive ic components are also  achieved.

Tuesday, March 8, 2011

Applications characteristics of ic components lm339

Applications characteristics of electronic components lm339,follows:

1.High precision comparators

2.Reduced VOS drift over temperature

3.Eliminates need for dual supplies

4.Allows sensing near GND

5.Compatible with all forms of logic

6.Power drain suitable for battery operation

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Monday, March 7, 2011

Recommended the hot ic components and Main performance

Recommended the hot electronic components and important performance index:

LMV721:
Wider Bandwidth, Lower Noise, Lower Power
LM6154:
Much Wider Bandwidth, RRIO, Faster Slew Rate
LMC6484:
Improved Bandwidth And Slew Rate, Bias Current, Rail-to-rail Input & Output
LMV321:
Single Version In SOT-23
LM324:
Lower Voltage
LM358:
Dual Version

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The Features about electronic components LM317

For applications requiring greater output current, see series (3A) and LM138 series (5A) data sheets. For negative complement, see ic components LM317 series data sheet.

The Features about electronic components LM317 follows:

1.Guaranteed 1% output voltage tolerance (LM317A)

2. Guaranteed max. 0.01%/V line regulation (LM317A)

3. Guaranteed max. 0.3% load regulation (LM317)

4. Guaranteed 1.5A output current

5. Adjustable output down to 1.2V

6. Current limit constant with temperature

7. P+ Product Enhancement tested

8. 80 dB ripple rejection

9. Output is short-circuit protected

Thursday, March 3, 2011

If you want to become a well electronic components purchaser?

When many people need ic components,they don't know where to go buy or purchas the electronic components,I want to teach a methods to you.

If you are a electronic components purchaser, to be a good buyer is very important. Everyone knows that procurement is indeed a very sensitive department because the economic lifeline is here. The materials that you purchased back every time not only spend the money, but also holds out the rise and fall of the company because many times a small thing may be bad without good monitoring.

To be a good electronic components buyer, the supplier you choose should have enough spare and replacement businesses. Providers’ training need to spend time and effort, because the change of product structure, the old supplier can not keep up our needs updating and they can not complete the purchase order and the quality can not be guaranteed, we are also very difficult to get a new supplier in a hurry, also sometimes we may sacrifice short-term interests of the moment, so you should keep two or more electronic components suppliers available. If you are not in an urgency, give the new customers enough time to feel interested in our cooperation.

Relevant the ic components lm358 Unique Characteristics

Detailed introduction Unique Characteristics of lm358:
1.In the linear mode the input common-mode voltage range includes ground and the output
voltage can also swing to ground, even though operated from only a single power supply
voltage.
2.The unity gain cross frequency is temperature compensated.
3.The input bias current is also temperature compensated.
Ic industry,Many people don't understand, This is a special industry.but many electronic components market,such as hqew.net,tbf and so on,if you Interested in Ic components,you can find information.

Tuesday, March 1, 2011

Introduction to the function about Variable Resistor

Variable Resistor is One of the electronic components,here the function about ic components Variable Resistor:
1. A variable resistor is a resistor with a sliding or turning device.
2. Names of variable resistors include rheostat and potentiometer.
3. These are used as volume controls in radio receivers and TV sets.

Sunday, February 27, 2011

Where to buy IC parts or electronic components?

Who can help me?I need electronic component for diy router.
I'm attempting to mod on a network router so I can flash custom firmware to it. The
procedure requires Ic components lm358, lm358n or lm358nm circuit board. I've asked around and
people always point me to Sham Shui Po, which I suppose was inevitable. To save a
little time from wandering around, does anyone happen to know a shop there that sell
these things?