TCC598

SD1448 (TCC598) RF & MICROWAVE TRANSISTORS UHF TV/LINEAR APPLICATIONS . . . . . . 860 MHz 25 VOLTS COMMON EMITTER GOLD METALLIZATION CLASS A LINEAR OPERATION P OUT = 4.0 W MIN. WITH 7.0 dB GAIN .280 4L STUD (M122) epoxy sealed ORDER CODE SD1448 BRANDING TCC598 PIN CONNECTION DESCRIPTION The SD1448 is a silicon NPN bipolar device specifically designed for high linearity applications in the UHF frequency range including TV Bands IV and V. Gold metallization and emitter ballasting assure high reliability under Class A linear amplifier operation. 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 45 25 4 1.6 31.8 +200 − 65 to +150 V V V A W °C °C THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance November 1992 5.5 °C/W 1/6 SD1448 (TCC598) ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO BVCEO BVEBO I CBO hFE IC = 10mA IC = 20mA IE = 2.5mA VCB = 28V VCE = 20V IE = 0mA IB = 0mA IC = 0mA IE = 0mA IC = 500mA 45 25 3.0 — 10 — — — — — — — — 0.9 — V V V mA — DYNAMIC Symbol Test Conditions Value Min. Typ. Max. Unit P OUT 1 GP2 IMD33 COB Note 1: P IN f = 860 MHz f = 860 MHz PSYNC = 4 W f = 1 MHz = 0.8W VCE = 25 V VCE = 25 V VCE = 25 V VCB = 25 V IC = 850 mA IC = 850 mA ...