SD1285

SD1285 RF & MICROWAVE TRANSISTORS H F SSB APPLICATIONS . . . . . . 30 MHz 12.5 VOLTS COMMON EMITTER GOLD METALLIZATION IMD − 30 dB POUT = 20 W MIN. WITH 15 dB GAIN .380 4LFL (M113) epoxy sealed ORDER CODE SD1285 BRANDING SD1285 PIN CONNECTION DESCRIPTION The SD1285 is a 12.5 V epitaxial NPN planar transistor designed primarily for SSB communications. This device utilizes emitter ballasting to achieve extreme ruggedness under severe operating conditions. ABSOLUTE MAXIMUM RATINGS (T case = 2 5 ° C) Symbol Parameter Value Unit 1. Collector 2. Emitter 3. Base 4. Emitter VCBO VCEO VEBO IC PDISS TJ TSTG Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature 36 18 4.0 4.5 80 +200 − 65 to +150 V V V A W °C °C THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance October 1992 2.2 °C/W 1/3 SD1285 E LECTRICAL SPECIFICATIONS ( T case = 2 5 ° C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO BVCES BVCEO BVEBO ICES hFE IC = 50mA IC = 50mA IC = 50mA IE = 5mA VCE = 15V VCE = 5V IE = 0mA VBE = 0V IB = 0mA IC = 0mA IE = 0mA IC = 1A 36 36 18 4.0 — 10 — — — — — — — — — — 5 200 V V V V mA — DYNAMIC Symbol Test Conditions Value Min. Typ. Max. Unit POUT GP IMD COB Note: PI N f = 30 MHz f = 30 MHz f = 30 MHz f = 1 M Hz = 0 .65 W VCC = 12.5 V VCC = 12.5 V VCC = 12.5 V VCB = 12.5 V ICQ = 25 mA ICQ = 25 mA ICQ = 25 mA 20 15 — — — 18 — 100 — — − 30 — W dB dB pF 2/3 SD1285 P ACKAGE MECHANICAL DATA Ref.: Dwg. No.12-0113 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. © 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A 3/3