TH430 Datasheet PDF - STMicroelectronics

DESCRIPTION
The SD1728 is a 50 V epitaxial silicon NPN planar transistor designed primarily for SSB and VHF communications. This device utilizes emitter ballasting for improved ruggedness and reliability.
   
■ OPTIMIZED FOR SSB
■ 30 MHz
■ 50 VOLTS
■ IMD − 30 dB
■ GOLD METALLIZATION
■ COMMON EMITTER
■ POUT = 250 W PEP WITH 14.5 dB GAIN