SD1460 RF & MICROWAVE TRANSISTORS FM BROADCAST APPLICATIONS .. .. .. 108 MHz 28 VOLTS EFFICIENCY 75% COMMON EMITTER GOLD METALLIZATION P OUT = 150 W MIN. WITH 9.2 dB GAIN .500 4LFL (M174) epoxy sealed ORDER CODE SD1460 BRANDING SD1460 PIN CONNECTION DESCRIPTION The SD1143 is a 28 V gold metallized epitaxial silicon NPN planar transistor designed for VHF FM broadcast transmitters. This device utilizes diffused emitter resistors to achieve 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 60 V VCEO Collector-Emitter Voltage 25 V VCES Collector-Emitter Voltage 60 V VEBO Emitter-Base Voltage 4.0 V Device Current 16 A Power Dissipation 230 W TJ Junction Temperature +200 °C T STG Storage Temperature − 65 to +150 °C 0.75 °C/W IC PDISS THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance November 1992 1/5 SD1460 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVCBO IC = 100mA IE = 0mA 60 — — V BVCER IC = 100mA RBE = 10Ω 55 — — V BVCEO IC = 100mA IB = 0mA 25 — — V BVEBO IE = 20mA IC = 0mA 4.0 — — V hFE VCE = 5V IC = 1A 20 — 150 — DYNAMIC Symbol Value Test Conditions Min. Typ. Max. POUT f = 108 MHz PIN = 18 W VCE = 28 V 150 — — W GP ηc f = 108 MHz PIN = 18 W VCE = 28 V 9.2 — — dB f = 108 MHz PIN = 18 W VCE = 28 V 70 — — % COB f = 1 MHz VCB = 28 V — — 150 pF TYPICAL PERFORMANCE POWER OUTPUT vs POWER INPUT 2/5 Unit SAFE OPERATING AREA SD1460 IMPEDANCE DATA TYPICAL INPUT IMPEDANCE TYPICAL COLLECTOR LOAD IMPEDANCE 3/5 SD1460 TEST CIRCUIT C1, C2, C3, C9 : C4 : C5 : C6 : C7 : C8 : C10 : C11 : C12 : C13 : 4/5 24 - 200pF Variable, Arco 425 470pF ATC 125 mil. Sq. Chip 470pF Unelco, 400 mil. Sq. 1000pF Unelco, 400 mil Sq. 50 - 380pF Variable, Arco 465 25 - 280pF Variable, Arco 464 .1µF 50V, Erie Disc .01µF 50V, Erie Disc 1000pF Unelco, 400 mil Sq. 100µF 35V, Sprague Electrolytic L1 L2 L5 L6 L7 : : : : : 3 Turns, #16 AWG, .225” I.D. #14 AWG, Length .335”, Height .400” 5 1/2 Turns, #16 AWG Enameled .270” I.D. #14 AWG, Length .300”, Height .335” 3 Turns, #16 AWG, Length .300”, Height .335” RFC 1 : VK200 19/4B (1 winding) Ferroxcube Choke RFC 2 : 6 Turns, #16 AWG Enamel on T50-2 Torroid Board Material: 3-M-K-6098 1/16” Thick SD1460 PACKAGE MECHANICAL DATA Ref.: Dwg. No.12-0174 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 5/5