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Newly Updated Circuit Projects:

High Voltage Transistor MJE13005 – Datasheet, Application Notes

Last Updated on June 30, 2026 by Swagatam 16 Comments

mje13005pinoutdiagram

The article relates us with the important features and specifications of MJE13005 device, which is a high voltage, high speed transistor, applicable for many different electronic circuit designs.Let’s try to understand the pin outs and technical specs of the device: Pinout Diagram Main Features Package – TO-220AB (typically recommended) Type – NPN Silicon Power Handling Capaciy – 75 Watts, Maximum […]

Filed Under: Datasheets and Components Tagged With: Application, Datasheet, High, MJE13005, Transistor, Voltage

LM567 Tone Decoder IC Features, Datasheet and Applications

Last Updated on June 30, 2026 by Swagatam 27 Comments

lm567blockdiagram

In this post I have explained the main specifications, datasheet and working principle of the IC LM567, which is a precise phase-locked loop with synchronous AM lock detection and power output device. In simpler terms the IC LM567 IC is a tone decoder chip which is designed basically for recognizing a specified frequency band, and […]

Filed Under: Datasheets and Components Tagged With: Applications, Datasheet, Decoder, Features, LM567, Tone

12V 5 Amp Fixed Voltage Regulator IC 78H12A Datasheet

Last Updated on June 30, 2026 by Swagatam 66 Comments

78h12a pinout diagram

The post explains the technical specifications, datasheet, and application notes of the IC 78H12A which is a voltage regulator IC capable of providing a fixed regulated 12V output at maximum 5 amp current. 5 Amp Regulator Specifications We are familiar with the popular 78XX ICs such as the 7812 IC which can produce 12V fixed voltage at […]

Filed Under: Datasheets and Components Tagged With: 12V, 78H12A, Datasheet, Fixed, Regulator, Voltage

Proximity Detector IC CS209A Pinouts – Datasheet Explained

Last Updated on June 30, 2026 by Swagatam 2 Comments

cs 1

In this post I have explained the main specifications and pinout functions of the IC CS209A along with other technical aspecst of the chip. Introduction The device CS209A is a bipolar monolithic IC specifically designed for metal detecting circuit applications. The IC fundamentally has a built-in oscillator stage, a couple of current regulator stages, a […]

Filed Under: Datasheets and Components Tagged With: CS209A, Datasheet, Detector, Explained, Pinouts, Proximity

BJT 2N2222, 2N2222A Datasheet and Application Notes

Last Updated on June 30, 2026 by Swagatam 5 Comments

2n2222 1

This article explains the main specifications, pinouts and application related information regarding the transistor NPN BJT 2N2222, 2N2222A, and also its complimentary PNP pair 2N2907 BJT Introduction In one of my earlier posts I have explained regarding a few low signal type of transistors like BC547, BC557 etc. Here we are going to study the […]

Filed Under: Datasheets and Components Tagged With: 2N2222, 2N2222A, Application, BJT, Datasheet, Notes

2N3904 Datasheet [40V, 200 mA NPN Transistor]

Last Updated on June 30, 2026 by Swagatam 2 Comments

2n3904transistorspecsdatasheetpinout 1

In this post I have explained the main datasheet and pinout details of the NPN transistor 2N3904 Introduction The transistor 2N3904 comes under the category of NPN small signal, low power, general purpose transistor, mainly applicable for switching and for signal amplification. It’s dynamic range may include a current handling capability of more than 100mA […]

Filed Under: Datasheets and Components Tagged With: 200, 2N3904, 40V, Datasheet, NPN, Transistor

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