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BT169 SCR Datasheet [200 V, 0.5 A SCR]

Last Updated on May 18, 2026 by Swagatam Leave a Comment

BT169 pinout configuration

The BT169 is a thyristor or SCR (Silicon Controlled Rectifier) that is commonly used for switching applications in low-power electronic circuits. It can be used for small signal, low current applications. Its size is very small just like a BJT. Here are the full technical specifications of the BT169: Electrical Specifications Pinout: The BT169 SCR […]

Filed Under: Datasheets and Components Tagged With: 200, BT169, Datasheet, SCR

2N3906 Datasheet [40V, 200 mA, PNP Transistor]

Last Updated on May 18, 2026 by Swagatam Leave a Comment

2N3906 pinout details

In this post I have explained the complete datasheet of the transistor 2N3906. It is the complementary to the transistor 2N3904. Here is the complete datasheet for the 2N3906 PNP transistor. Pinout Configuration The transistor 2N3906 has 3 pinouts named as emitter, base and collector. These pinouts are arranged as shown in the following figure: […]

Filed Under: Datasheets and Components Tagged With: 200, 2N3906, 40V, Datasheet, PNP, Transistor

200, 600 LED String Circuit on Mains 220V

Last Updated on June 8, 2026 by Swagatam 43 Comments

string 1

In this post I have explained the construction of a 200 to 600 LED circuit project, using series parallel  LEDs for creating an alphabetical display sign board. The idea was requested by Mr. Mubarak Idris. Circuit Objectives and Requirements I need a blinking LED light that show”WELCOME TO” blink and then “COLLEGE OF ENGINEERING” base […]

Filed Under: Lamps and Lights Tagged With: 200, 220V, 600, LED, Mains, String

Free 200 Volts Just Above your Head

Last Updated on May 20, 2026 by Swagatam 57 Comments

EM panel

Lightning in skies is the phenomenon which proves beyond doubt that free electrical energy could be there in abundant quantities all around us. Warning: The concept I have explained in this article has not been verified by the author. Readers are advised to read and proceed at their own discretion. Power of Thunder Lightening A […]

Filed Under: Energy from Magnets and Earth Tagged With: 200, Above, Free, Head, Just, Volts

Make This Powerful 200+200 watts Car Stereo Amplifier Circuit

Last Updated on May 15, 2026 by Swagatam 42 Comments

200wattcarstereoamplifiercircuit

No complex wiring, no costly MOSFETS and no cumbersome heatsinks, yet a powerful 200+200 watt stereo amplifier circuit, which can be built within hours using just a couple ICs, right in your home. Yes we are discussing the state-of-the-art thick film hybrid IC STK4050II, by SANYO.The IC is specifically designed for amplifying music at an […]

Filed Under: Audio and Amplifier Projects Tagged With: 200, Amplifier, Powerful, Stereo, watts

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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