2N1557 Specs and Replacement
Type Designator: 2N1557
Material of Transistor: Ge
Polarity: PNP
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 106 W
Maximum Collector-Base Voltage |Vcb|: 40 V
Maximum Collector-Emitter Voltage |Vce|: 20 V
Maximum Emitter-Base Voltage |Veb|: 20 V
Maximum Collector Current |Ic max|: 20 A
Max. Operating Junction Temperature (Tj): 110 °C
Electrical Characteristics
Transition Frequency (ft): 0.1 MHz
Forward Current Transfer Ratio (hFE), MIN: 50
Package: TO3
2N1557 Substitution
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2N1557 datasheet
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Detailed specifications: 2N1553, 2N1553A, 2N1554, 2N1554A, 2N1555, 2N1555A, 2N1556, 2N1556A, BC546, 2N1557A, 2N1558, 2N1558A, 2N1559, 2N1559A, 2N156, 2N1560, 2N1560A
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