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Newly Updated Circuit Projects:

High Voltage Transistors BUX 86 and BUX 87 – Specifications

Last Updated on May 18, 2026 by Swagatam 1 Comment

BUX 1

In this article we are going to make an effort to understand the technical specs of the BJTs BUX86 and BUX87 which are high voltage complementary paired transistors. Introduction The Bux 86 and BUX 87 are typically high voltage switching transistors with silicon epibase. They come in TO-126 package and are NPN types. These devices […]

Filed Under: Datasheets and Components Tagged With: BUX, High, Specifications, Transistors, Voltage

BJT 2N2222, 2N2222A Datasheet and Application Notes

Last Updated on May 18, 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

Proximity Detector IC CS209A Pinouts – Datasheet Explained

Last Updated on May 18, 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

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

Last Updated on May 18, 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

BEL188 Transistor – Specification and Datasheet

Last Updated on May 18, 2026 by Swagatam 3 Comments

188transistordatasheet

The transistor 188 is one of my favorites, simply because even being so tiny it’s able to handle currents as high as 1 Amp. Understanding BEL188 Transistor Specification/Datasheet The transistor BEL188 is a general purpose transistor, and due to its wide voltage and current rating can be used for almost all small to medium power […]

Filed Under: Datasheets and Components Tagged With: BEL188, Datasheet, Specification, Transistor

IRF540N MOSFET Pinout, Datasheet, Application Explained

Last Updated on May 18, 2026 by Swagatam 30 Comments

irf540ndatasheet252Cpinouts

The IRF540N is an advanced HEXFET N-channel power mosfet, from International Rectifier. The device is extremely versatile with its current, voltage switching capabilities, and thus becomes ideal for numerous electronic applications. The datasheet and pinout details of the device has been explained in the following article. Main Features: Sophisticated, cutting-edge processing technology used. Extremely low […]

Filed Under: Datasheets and Components Tagged With: Application, Datasheet, Explained, IRF540N, MOSFET, Pinout

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