DESCRIPTION
The SD1439 is a silicon NPN bipolar device specifically designed for high linearity applications in the UHF frequency range including TV Bands IV and V.
Gold metallization and emitter ballasting assure high reliability under Class A linear amplifier operation.

■ 860 MHz
■ COMMON EMITTER
■ GOLD METALLIZATION
■ CLASS A LINEAR OPERATION
■ POUT = 0.5 W MIN. WITH 9.5 dB GAIN