DESCRIPTION

The SD1898 is a 28 V Class C silicon NPN transistor designed for INMARSAT and other 1.65 GHz SATCOM applications. A gold metallized emitterballasted die geometry is employed providing high gain and efficiency while ensuring long term reliability and ruggedness under severe operating conditions. SD1898 is packaged in a cost-effective epoxy sealed housing.

■ 1.65 GHz

■ 28 VOLTS

■ EFFICIENCY 40 MIN.

■ CLASS C OPERATION

■ COMMON BASE

■ POUT = 32 W MIN. WITH 9 dB GAIN