Soviet-era Active Components
Active semiconductor components of Soviet and post-Soviet production (KT, KP, KU, KD, D, KS, K1xx, K5xx series) — transistors, diodes, thyristors, ICs. Used for repair and maintenance of legacy equipment, hybrid tube-transistor audio gear, industrial automation from 1970-1990, military and measurement instruments. Parameters comply with original GOST/TU specifications. Select by series and letter suffix indicating voltage, h21e or frequency. Modern Western equivalents are also available.