2N4438 Specs and Replacement
Type Designator: 2N4438
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 1 W
Maximum Collector-Base Voltage |Vcb|: 300 V
Maximum Collector-Emitter Voltage |Vce|: 300 V
Maximum Collector Current |Ic max|: 0.2 A
Max. Operating Junction Temperature (Tj): 200 °C
Electrical Characteristics
Transition Frequency (ft): 30 MHz
Collector Capacitance (Cc): 20 pF
Forward Current Transfer Ratio (hFE), MIN: 40
Package: TO5
2N4438 Substitution
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2N4438 datasheet
Detailed specifications: 2N4431, 2N4432, 2N4432A, 2N4433, 2N4434, 2N4435, 2N4436, 2N4437, 2N4401, 2N4439, 2N444, 2N4440, 2N4449, 2N444A, 2N445, 2N4450, 2N4451
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