Electronic Design

What’s the Difference Between PNP and NPN Transistors?

The transistor is probably the most important invention in electronic engineering and the basis for nearly all integrated circuits (ICs). The transistor is a three-terminal electronic device that can ...
EDN

Rad-Hard UHF NPN/PNP Transistor Array

The ISL73096EH is a radiation hardened ultra high frequency NPN/PNP transistor array. It contains three NPN transistors and two PNP transistors on a common substrate. The device covers all of the ...
EDN

Datasheets.com: Experimenting with the 2N2222 and BC549 transistors

The 2N2222 and BC549 transistors are two old components that are still universally used in the vast majority of electrical circuits today. Their applications include amplifiers, filters, impedance ...
Electronics Weekly

Bipolar npn and pnp transistors up to 100V or 10A in 3x3mm

Diodes has introduced a series of low saturation npn and pnp bipolar transistors optimised for automotive power switching and control. “With BVceo up to 100V, continuous current to 10A – and 20A peak ...
Hackaday

NPN transistors

[Dr. Cockroach]’s goal was to build a four-bit computer out of recycled and repurposed junk. The resulting computer, called IO, consists of a single 555, around 230 PNP and NPN transistors, 230 diodes ...