MSC81058 RF & MICROWAVE TRANSISTORS GENERAL PURPOSE AMPLIFIER APPLICATIONS .. . .. EMITTER BALLASTED REFRACTORY/GOLD METALLIZATION VSWR CAPABILITY ∞:1 @ RATED CONDITIONS HERMETIC STRIPAC PACKAGE P OUT = 10 W MIN. WITH 10 dB GAIN @ 1 GHz .250 2LFL (S010) hermetically sealed ORDER CODE MSC81058 BRANDING 81058 PIN CONNECTION DESCRIPTION The MSC81058 is a common base hermetically sealed silicon NPN microwave transistor utilizing a fishbone, emitter ballasted geometry with a refractory/gold metallization system. This device is capable of withstanding infinite load VSWR at any phase angle under rated conditions. The MSC81058 is designed for Class C amplifier applications in the 0.4 - 1.2 GHz frequency range. 1. Collector 2. Base 3. Emitter 4. Base ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C) Symbol Value Unit Power Dissipation* 29 W Device Current* 1.0 A Collector-Supply Voltage* 35 V TJ Junction Temperature 200 °C T STG Storage Temperature − 65 to +200 °C 6.0 °C/W PDISS IC VCC Parameter THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance* *Applies only to rated RF amplifier operation October 1992 1/5 MSC81058 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVCBO IC = 1mA IE = 0mA 45 — — V BVEBO IE = 1mA IC = 0mA 3.5 — — V BVCER IC = 10mA RBE = 10Ω 45 — — V I CBO VCB = 28V — — 2.5 mA hFE VCE = 5V 15 — 120 — IC = 500mA DYNAMIC Symbol Value Test Conditions Typ. Max. Unit POUT ηc f = 1.0 GHz PIN = 1.0 W VCC = 28 V 10 11 — W f = 1.0 GHz PIN = 1.0 W VCC = 28 V 60 64 — % GP f = 1.0 GHz PIN = 1.0 W VCC = 28 V 10 10.4 — dB COB f = 1 MHz VCB = 28 V — — 10 pF TYPICAL PERFORMANCE POWER OUTPUT vs FREQUENCY FREQUENCY vs COLLECTOR EFFICIENCY RELATIVE POWER OUTPUT vs COLLECTOR VOLTAGE 2/5 Min. MSC81058 IMPEDANCE DATA TYPICAL INPUT IMPEDANCE ZIN PIN = 1.0 W VCC = 28 V Normalized to 50 ohms FREQ. ZIN (Ω) ZCL (Ω) 0.4 GHz 2.3 + j 2.7 26.0 + j 16.0 0.6 GHz 2.5 + j 4.0 17.2 + j 13.0 0.8 GHz 2.8 + j 5.0 11.0 + j 9.5 1.0 GHz 3.0 + j 6.0 7.7 + j 6.3 1.2 GHz 3.3 + j 7.2 5.8 + j 3.5 TYPICAL COLLECTOR LOAD IMPEDANCE ZCL POUT = Saturated VCC = 28 V Normalized to 50 ohms 3/5 MSC81058 TEST CIRCUIT Ref.: Dwg. No. C127320 All dimensions are in inches. Frequency 1.0 GHz PACKAGE MECHANICAL DATA 4/5 MSC81058 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