SD1528-08 RF & MICROWAVE TRANSISTORS AVIONICS APPLICATIONS . .. .. .. . . DESIGNED FOR HIGH POWER PULSED IFF, DME, TACAN APPLICATIONS 20 WATTS (typ.) IFF 1030 - 1090 MHz 15 WATTS (min.) DME 1025 - 1150 MHz 15 WATTS (typ.) TACAN 960 - 1215 MHz 10 dB MIN. GAIN REFRACTORY GOLD METALLIZATION EMITTER BALLASTING AND LOW THERMAL RESISTANCE 20:1 LOAD VSWR CAPABILITY AT SPECIFIED OPERATING CONDITIONS INPUT MATCHED, COMMON BASE CONFIGURATION .250 SQ. 2LFL (M105) hermetically sealed ORDER CODE SD1528-08 BRANDING 1528-8 PIN CONNECTION DESCRIPTION The SD1528-08 is a gold metallized, silicon NPN power transistor. The SD1528-08 is designed for applications requiring high peak power and low duty cycles such as IFF, DME and TACAN. The SD1528-08 is packaged in the .250” input matched hermetic stripline flange package resulting in improved broadband performance and a low thermal resistance. 1. Collector 2. Base 3. Emitter ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C) Symbol Parameter Value Unit VCBO Collector-Base Voltage 65 V VCEO Collector-Emitter Voltage 65 V VEBO Emitter-Base Voltage 3.5 V Device Current 1.5 A Power Dissipation 87.5 W TJ Junction Temperature +200 °C T STG Storage Temperature − 65 to +150 °C 2.0 °C/W IC PDISS THERMAL DATA RTH(j-c) November 1992 Junction-Case Thermal Resistance 1/4 SD1528-08 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVCBO IC = 10mA IE = 0mA 65 — — V BVCES IC = 25mA VBE = 0V 65 — — V BVEBO IE = 1mA IC = 0mA 3.5 — — V VCE = 50V IE = 0mA — — 2 mA ICES DYNAMIC Symbol Value Test Conditions Min. Typ. Max. POUT f = 1025 — 1150MHz PIN = 1.5 W VCE = 50 V 15 — — W GP ηc f = 1025 — 1150MHz PIN = 1.5 W VCE = 50 V 10 — — dB f = 1025 — 1150MHz PIN = 1.5 W VCE = 50 V 30 — — % Note: Pulse W idth = 10 µ Sec, Duty Cycle = 1% TYPICAL PERFORMANCE POWER OUTPUT vs POWER INPUT 2/4 Unit POWER OUTPUT vs FREQUENCY SD1528-08 IMPEDANCE DATA TYPICAL COLLECTOR LOAD IMPEDANCE TYPICAL INPUT IMPEDANCE TEST CIRCUIT 1000µF Electrolytic 680pF Chip Capacitor 120pF Chip Capacitor 0.6 - 4.5pF Johanson Gigatrim C1 C2 C3 C4 : : : : L1 Z : 6 1/2 Turns, #22 AWG on a #30 Drill Bit : Printed Transmission Line, Length = 1.91” Board : Er = 2.5, .034” Thick All Dimensions are in Inches. 3/4 SD1528-08 PACKAGE MECHANICAL DATA Ref.: Dwg. No.12-0105 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