2N575A

High-performance 1950s/1960s Joint Army-Navy (JAN) military-certified PNP germanium power switching transistor manufactured by Honeywell, engineered with an upgraded peak operational inverse voltage profile for heavy inductive loads. Equivalents: 2N575, 2N575B, NTE121. Real-Life Examples: WWII/post-war airborne radar power frames, naval shipboard transmitters, and specialized laboratory-grade high-voltage pulse generator sub-modules.