CM4957 Datasheet | Central Semiconductor

DATA SHEET PNP HIGH FREQUENCY SILICON TRANSISTOR TO-72 CASE DESCRIPTION The CENTRAL SEMICONDUCTOR CM4957 is a Silicon PNP RF Transistor, mounted in a hermetically sealed package, designed for high frequency amplifier and non-saturated switching applications. This device is a replacement for the 2N4957. MAXIMUM RATINGS (TA=25°C) Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current - Continuous Power Dissipation Power Dissipation (TC=25°C) Operating and Storage Junction Temperature SYMBOL VCBO VCEO VEBO IC PD PD TJ,Tstg 30 25 3.0 30 200 300 -65 to +200 UNITS V V V mA mW mW °C ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise noted) SYMBOL...