MSC81111

MSC81111 RF & MICROWAVE TRANSISTORS GENERAL PURPOSE AMPLIFIER APPLICATIONS . . . . . EMITTER BALLASTED REFRACTORY/GOLD METALLIZATION VSWR CAPABILITY ∞:1 @ RATED CONDITIONS HERMETIC STRIPAC ® PACKAGE P OUT = 5.0 W MIN. WITH 10 dB GAIN @ 1 GHz .250 2LFL (S010) hermetically sealed ORDER CODE MSC81111 BRANDING 81111 PIN CONNECTION DESCRIPTION The MSC81111 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 an infinite load VSWR at any phase angle under rated rated conditions. The MSC81111 is designed for Class C amplifier applications in the 0.4 - 1.2 GHz frequency range. ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C) Symbol Parameter 1. Collector 2. Base 3. Emitter 4. Base Value Unit PDISS IC VCC TJ T STG Power Dissipation* Device Current* (TC ≤ 50°C) 18.75 600 35 200 − 65 to +200 W mA V °C °C Collector-Supply Voltage* Junction Temperature Storage Temperature THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance* 8.0 °C/W *Applies only to rated RF amplifier operation October 1992 1/5 MSC81111 E LECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO BVEBO BVCER I CBO hFE DYNAMIC Symbol IC = 1mA IE = 1mA IC = 5mA VCB = 28V VCE = 5V IE = 0mA IC = 0mA RBE = 10Ω IC = 200mA 45 3.5 45 — 15 — — — — — — — — 1.0 120 V V V mA — Test Conditions Value Min. Typ. Max. Unit POUT ηc GP COB f = 1.0 GHz f = 1.0 GHz f = 1.0 GHz f = 1 MHz PIN = 0.5 W PIN = 0.5 W PIN = 0.5 W VCB = 28 V VCC = 28 V VCC = 28 V VCC = 28 V 5.0 50 10 — 6.6 52 11.2 — — — — 6.5 W % dB pF TYPICAL PERFORMANCE POWER OUTPUT vs FREQUENCY COLLECTOR EFFICIENCY vs FREQUENCY RELATIVE POWER OUTPUT vs COLLECTOR VOLTAGE 2/5 MSC81111 IMPEDANCE DATA T YPICAL INPUT IMPEDANCE ZIN PIN = 0.5 W VCC = 35 V Normalized to 50 ohms FREQ. 0.4 GHz 0.6 GHz 0.8 GHz 1.0 GHz 1.2 GHz ZIN (Ω) 4.0 + j 0.8 4.1 + j 2.0 4.2 + j 3.2 4.3 + j 4.5 4.4 + j 7.1 ZCL (Ω) 40.0 + j 38.0 24.0 + j 29.5 15.0 + j 22.0 9.4 + j 16.0 6.0 + j 11.0 TYPICAL COLLECTOR LOAD IMPEDANCE ZCL POUT = Saturated VCC = 35 V Normalized to 50 ohms 3/5 MSC81111 TEST CIRCUIT Ref.: Dwg. No. C127318A Frequency 1.0 GHz All dimensions are in inches. P ACKAGE MECHANICAL DATA 4/5 MSC81111 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