2N4955 Specs and Replacement
Type Designator: 2N4955
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 0.45 W
Maximum Collector-Base Voltage |Vcb|: 30 V
Maximum Collector-Emitter Voltage |Vce|: 25 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 0.03 A
Max. Operating Junction Temperature (Tj): 125 °C
Electrical Characteristics
Transition Frequency (ft): 60 MHz
Collector Capacitance (Cc): 6 pF
Forward Current Transfer Ratio (hFE), MIN: 150
Package: R137
2N4955 Substitution
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2N4955 datasheet
2N4953 NPN General Purpose Amplifier This device designed for use as general purpose amplifier and switches requiring collector currents to 500mA. Sourced from Process 10. TO-92 1 1. Emitter 2. Collector 3. Base NPN Epitaxial Silicon Transistor Absolute Maximum Ratings* Ta=25 C unless otherwise noted Symbol Parameter Value Units VCEO Collector-Emitter Voltage 30 V VCBO C... See More ⇒
Data Sheet No. 2N4957 Generic Part Number Type 2N4957 2N4957 Geometry 0006 Polarity PNP REF MIL-PRF-19500/426 Qual Level JAN - JANS Features Small signal RF silicon transistor designed for high-gain, low-noise applications. Housed in a TO-72 case. Also available in chip form using the 0006 chip geometry. The Min and Max limits shown are per MIL-PRF-19500/426 ... See More ⇒
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Detailed specifications: 2N4946 , 2N495 , 2N4950 , 2N4951 , 2N495-18 , 2N4952 , 2N4953 , 2N4954 , 2SA1837 , 2N4955-78 , 2N4956 , 2N4956-78 , 2N4957 , 2N4957UB , 2N4958 , 2N4958UB , 2N4959 .
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