View mrf448re datasheet:

MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by MRF448/D The RF Line NPN Silicon MRF448 RF Power Transistor Designed primarily for high–voltage applications as a high–power linear amplifier from 2.0 to 30 MHz. Ideal for marine and base station equipment. • Specified 50 Volt, 30 MHz Characteristics Output Power = 250 W 250 W, 30 MHz Minimum Gain = 12 dB RF POWER Efficiency = 45% TRANSISTOR • Intermodulation Distortion @ 250 W (PEP) — NPN SILICON IMD = –30 dB (Max) • 100% Tested for Load Mismatch at all Phase Angles with 3:1 VSWR CASE 211–11, STYLE 1 MAXIMUM RATINGS Rating Symbol Value Unit Collector–Emitter Voltage VCEO 50 Vdc Collector–Base Voltage VCBO 100 Vdc Emitter–Base Voltage VEBO 4.0 Vdc Collector Current — Continuous IC 16 Adc Withstand Curr