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Datasheets and Components

IC LM321 Datasheet – IC 741 Equivalent

Last Updated on June 30, 2026 by Swagatam 14 Comments

lm321

The IC LM321 is the single op amp version of LM324 which is a quad op amp IC and carries 4 of these ICs in one package. Therefore for applications which demand a single op amp with the attributes of the versatile LM324, in such cases this single op amp can be utilized effectively. For […]

Filed Under: Datasheets and Components Tagged With: 741, Datasheet, Equivalent, LM321

Alarm Signal Generator IC ZSD100 Datasheet, Application

Last Updated on May 18, 2026 by Swagatam 10 Comments

speaker alarm circuit

The ZSD100 is an alarm frequency generator IC which incorporates a frequency swept alarm signal generator designed solely for fixed and vehicle protection alarm systems. Circuit Operation For acquiring the specified alarm sound from this IC, just a single ZSD100, two timing capacitors, an in-expensive TO92 darlington, piezo transducer and coupling transformer is everything that […]

Filed Under: Datasheets and Components Tagged With: Alarm, Application, Datasheet, Generator, Signal, ZSD100

Electronic Component Buying Guide for New Hobbyists

Last Updated on May 17, 2026 by Swagatam 8 Comments

buy component

Are you a beginner to electronics? Then here are few guidelines which might help you to buy some really useful components, so that you are always for an electronic and are never short of some crucial component.. OBJECTIVE: Not only for beginners, this will also help other hobbyists to buy some most commonly used components. […]

Filed Under: Datasheets and Components Tagged With: Buying, Component, Electronic, Guide, Hobbyists

High Voltage Transistor MJ11021(PNP) MJ11022 (NPN) Datasheet – Complementary Pair

Last Updated on June 30, 2026 by Swagatam Leave a Comment

complimentary high voltage darlington transistor datasheet

MJ11021(PNP) MJ11022 (NPN) are high voltage complementary pair Darlington transistors suitable for all applications that involve high voltage high current such as in motor control, inverters, etc. So I have explained the datasheet and the main specifications of the devices: Main Electrical Features MJ11021(PNP) MJ11022 (NPN) are 250V, 15 amp complementary Darlington transistors Being Darlington […]

Filed Under: Datasheets and Components Tagged With: High, MJ11021, MJ11022, PNP, Transistor, Voltage

IC 4040 Datasheet, Pinout, Application

Last Updated on May 17, 2026 by Swagatam 5 Comments

4040 pinout diagram

The IC 4040 is technically a 12-stage binary ripple counter chip, in simple words a device which will produce a calculated delayed frequency output in response to every pulse applied at its clock input. This delay is incremented at the rate of 2n where n is the pinout order in the sequence of its outputs. […]

Filed Under: Datasheets and Components Tagged With: 4040, Application, Datasheet, Pinout

TSOP1738 Infrared Sensor IC Datasheet, Pinout, Working

Last Updated on May 17, 2026 by Swagatam 7 Comments

tsop17xx pinout diagram

Video showing the Testing of TSOP1738 with 38 kHz Frequency The TSOP17XX series of ICs are infrared sensor devices designed for sensing infrared frequencies only with a specific range of modulated frequency, and interpreting them into a proportionate magnitude of electrical pulses at the output. This is specifically done to make the sensor immune to […]

Filed Under: Datasheets and Components Tagged With: Datasheet, Infrared, Pinout, Sensor, TSOP1738, Working

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