SD1897 Datasheet | STMicroelectronics

.. RF & MICROWAVE TRANSISTORS 1.65 GHz SAT APPLICATIONS . . . . . 1.65 GHz 28 VOLTS CLASS C OPERATION MON BASE P OUT = 10 W MIN. WITH 11.0 dB GAIN .250 x .320 2LFL (M170) epoxy sealed ORDER CODE SD1897 BRANDING 1897 PIN CONNECTION DataShee . DESCRIPTION The SD1897 is a 28 V Class C silicon NPN transistor designed for INMARSAT and other 1.65 GHz SAT 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. SD1897 is packaged in a cost-effective epoxy sealed housing....