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
 

 CM4957 Substitution

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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: CJ201NL , CJ303NL , CJ303PL , CJ818B , CJL818C , CJP718 , CM4209 , CM45-12A , 13003 , CM5160 , CM5583 , CM5943 , CMBT3904E , CMBT3906E , CMBTA93 , CMKT2207 , CMKT2222A .

History: MQ3904 | MJE13003VK1 | CM45-12A | BFY39-3 | 2SC1736 | 2SA493G | SD1224-10

Keywords - CM4957 transistor datasheet

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