PNP transistors

Build a 555 Timer IC based Simple Push-on Push-off Circuit

If you are a hobbyist or have keen interest in electronics circuits, you must be familiar with 555 timer IC and its three...

Design a Simple Constant Current Sink Circuit using Op-Amp

Current Source and Current sink are two major terms used in electronics design, these two terms dictate how much current can...

Bipolar Transistors with Smaller Form Factor (3.3mm X 3.3mm) and Increased Power Density

Diodes Incorporated extends its transistor family with release of NPN and PNP power bipolar transistors in a much smaller form...

Soft Start Circuit for Power Supply

A Soft Start Circuit prevents the sudden current flow in the circuit during the start. It slows down the rate of rising output...

Darlington Transistor Pair

Darlington transistor is invented in 1953, by a US electrical engineer and inventor, Sidney Darlington. Darlington transistor...

PNP Transistors

The first bipolar junction transistor was invented in 1947 at Bell laboratories. “Two polarities”is abbreviated as bipolar,...

Transistor Switching Circuit: Examples of How Transistor Acts as a Switch

Transistors are made up of semiconductor material which is most commonly used for amplification or switching purpose, although...