SD1488 RF & MICROWAVE TRANSISTORS UHF MOBILE APPLICATIONS .. .. . 470 MHz 12.5 VOLTS EFFICIENCY 50% COMMON EMITTER P OUT = 38 W MIN. WITH 5.8 dB GAIN .500 6LFL (M111) EPOXY SEALED ORDER CODE SD1488 BRANDING SD1488 PIN CONNECTION DESCRIPTION The SD1488 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed primarily for broadband applications in the 450 - 512 MHz land mobile radio band. This device utilizes diffused emitter resistors to withstand infinite VSWR at rated operating conditions. 1. Collector 2. Emitter 3. Base 4. Emitter ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C) Symbol Parameter Value Unit VCBO Collector-Base Voltage 36 V VCEO Collector-Emitter Voltage 16 V VEBO Emitter-Base Voltage 4.0 V Device Current 8.0 A Power Dissipation 117 W IC PDISS TJ Junction Temperature +200 °C T STG Storage Temperature − 65 to +150 °C 1.5 °C/W THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance July 24, 1993 1/4 SD1488 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVCES IC = 15 mA VBE = 0 V 36 — — V BVCEO IC = 50 mA IB = 0 mA 16 — — V BVEBO IE = 5 mA IC = 0 mA 4.0 — — V ICES VCE = 12.5 V IE = 0 mA — — 5 mA hFE VCE = 5 V IC = 1 A 20 — 300 — DYNAMIC Symbol Value Test Conditions Min. Typ. Max. POUT f = 470 MHz PIN = 10.0 W VCC = 12.5 V 38 — — W GP ηC f = 470 MHz PIN = 10.0 W VCC = 12.5 V 5.8 — — dB f = 470 MHz POUT = 38 W VCC = 12.5 V 50 — — % COB f = 1 MHz VCB = 12.5 V — 95 — pF TYPICAL PERFORMANCE POWER OUTPUT vs POWER INPUT 2/4 Unit POWER OUTPUT & COLLECTOR EFFICIENCY vs FREQUENCY SD1488 TYPICAL PERFORMANCE (cont’d) POWER OUTPUT vs FREQUENCY POWER REFLECTED vs FREQUENCY OUTPUT CAPACITANCE vs COLLECTOR BASE VOLTAGE IMPEDANCE DATA TYPICAL INPUT IMPEDANCE TYPICAL COLLECTOR LOAD IMPEDANCE 3/4 SD1488 PACKAGE MECHANICAL DATA Ref.: Dwg. No.12-0111 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 ascritical 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 4/4