SD1446

SD1446 RF & MICROWAVE TRANSISTORS HF/VHF APPLICATIONS . . . . . . 50 MHz 12.5 VOLTS EFFICIENCY 55% COMMON EMITTER GOLD METALLIZATION P OUT = 70 W MIN. WITH 10 dB GAIN .380 4LFL (M113) epoxy sealed ORDER CODE SD1446 BRANDING SD1446 PIN CONNECTION DESCRIPTION The SD1446 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed primarily for land mobile transmitter applications. This device utilizes emitter ballasting and is extremely stable and capable of withstanding high VSWR under operating conditions. ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C) Symbol Parameter Value Unit 1. Collector 2. Emitter 3. Base 4. Emitter VCBO VCEO VEBO IC PDISS TJ T STG Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature 36 18 3.5 12.0 183 +200 − 65 to +150 V V V A W °C °C THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance November 1992 1.05 °C/W 1/5 www.DataSheet.in SD1446 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO BVCES BVCEO BVEBO ICES hFE IC = 50mA IC = 100mA IC = 50mA IE = 10mA VCE = 15V VCE = 5V IE = 0mA VBE = 0V IB = 0mA IC = 0mA IE = 0mA IC = 5A 36 36 18 3.5 — 10 — — — — — — — — — — 10 — V V V V mA — DYNAMIC Symbol Test Conditions Value Min. Typ. Max. Unit POUT GP ηc COB f = 50 MHz f = 50 MHz f = 50 MHz f = 1 MHz PIN = 7 W PIN = 7 W PIN = 7 W VCB = 12.5V VCE = 12.5 V VCE = 12.5 V VCE = 12.5 V 70 ...