View 2sd1414 datasheet:

SD1414 RF & MICROWAVE TRANSISTORS 800-900 MHz APPLICATIONS .836 MHz .12.5 VOLTS .COMMON BASE .P 45 W MIN. WITH 4.7 dB GAIN = OUT .230 6LFL (M142) epoxy sealed ORDER CODE BRANDING SD1414 SD1414 PIN CONNECTION DESCRIPTION The SD1414 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed for amplifier ap- plications in the 806 - 866 MHz frequency range. Internal input matching and common base con- figuration assure optimum gain and efficiency 1. Collector 3. Base across the entire frequency band. The SD1414 2. Emitter withstands infinite VSWR at rated power output. ABSOLUTE MAXIMUM RATINGS (T = 25°C) case Symbol Parameter Value Unit V Collector-Base Voltage 36 V CBO V Collector-Emitter Voltage 18 V CEO V Collector-Emitter Voltage 36 V CES V Emitt