View 2sd1398 datasheet:

SD1398 RF & MICROWAVE TRANSISTORS 850-960 MHz APPLICATIONS .850 - 960 MHZ .24 VOLTS .COMMON EMITTER .OVERLAY GEOMETRY .GOLD METALLIZATION .P 6.0 W MIN. WITH 10.0 dB GAIN = OUT .230 6LFL (M142) epoxy sealed ORDER CODE BRANDING SD1398 SD1398 PIN CONNECTION DESCRIPTION The SD1398 is a gold metallized epitaxial silicon NPN transistor designed for high linearity Class AB operation cellular base station applications. The SD1398 can also be operated Class C. 1. Collector 3. Emitter The SD1398 is internally input matched and can 2. Base be used as a driver for the SD1423 or SD1424. ABSOLUTE MAXIMUM RATINGS (T = 25°C) case Symbol Parameter Value Unit V Collector-Base Voltage 50 V CBO V Collector-Emitter Voltage 35 V CES V Emitter-Base Voltage 3.5 V EBO I Device Cur