All Transistors. CM4957 Datasheet

 

CM4957 Datasheet and Replacement


   Type Designator: CM4957
   Material of Transistor: Si
   Polarity: PNP
   Maximum Collector Power Dissipation (Pc): 0.2 W
   Maximum Collector-Base Voltage |Vcb|: 30 V
   Maximum Collector-Emitter Voltage |Vce|: 25 V
   Maximum Emitter-Base Voltage |Veb|: 3 V
   Maximum Collector Current |Ic max|: 0.03 A
   Max. Operating Junction Temperature (Tj): 200 °C
   Transition Frequency (ft): 1200 MHz
   Collector Capacitance (Cc): 1.6 pF
   Forward Current Transfer Ratio (hFE), MIN: 20
   Noise Figure, dB: -
   Package: TO-72
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CM4957 Datasheet (PDF)

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CM4957

DATA SHEETCM4957 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=25C) SYMBOL UNITS Collector-Base Voltage VC

Datasheet: 2SA1803O , 2SA1803R , 2SA1804 , 2SA1804O , 2SA1804R , 2SA1805 , 2SA1805O , 2SA1805R , TIP31 , 2SA181 , 2SA1810 , 2SA1810B , 2SA1810C , 2SA1811 , 2SA1815 , 2SA1815-3 , 2SA1815-4 .

History: 2SA1262 | 2SA1407E | NB221YX | 2SC3712 | 2SA794A | 2N2872 | T11

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