September 3, 2026

SOT package types including SOT-23, SOT-89 and SOT-223 semiconductor packages

SOT Package Guide: Types, Sizes, Pinouts, Footprints and How to Choose

SEO ADMIN / September 3, 2026

Two semiconductor devices may both be described as SOT packages, yet differ in body size, lead count, pin assignment, PCB […]

Surface-barrier transistor structure with 2N240 and 2N128 germanium transistors, ultra-thin base, emitter, collector, and RF waveform.

Surface-Barrier Transistor Explained: Structure, Working Principle, Applications and Replacement

SEO ADMIN / September 3, 2026

A surface-barrier transistor is an early high-frequency germanium transistor developed by Philco in 1953. Its key innovation was an extremely