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发表于 2016-5-2 07:30:48
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你说得对,我疏忽了。AC187 AC188,是锗对管,这两管子功率都有不大。给你个参数表,供参考。
Type Designator: AC188
Material of transistor: Ge
Polarity: PNP
Maximum collector power dissipation (Pc), W: 0.225
Maximum collector-base voltage |Ucb|, V: 25
Maximum collector-emitter voltage |Uce|, V: 15
Maximum emitter-base voltage |Ueb|, V: 10
Maximum collector current |Ic max|, A: 2
Maksimalna temperatura (Tj), °C: 90
Transition frequency (ft), MHz: 1
Collector capacitance (Cc), pF: 110
Forward current transfer ratio (hFE), min: 100
Noise Figure, dB: -
Package of AC188 transistor: TO1
Type Designator: AC187
Material of transistor: Ge
Polarity: NPN
Maximum collector power dissipation (Pc), W: 0.225
Maximum collector-base voltage |Ucb|, V: 25
Maximum collector-emitter voltage |Uce|, V: 15
Maximum emitter-base voltage |Ueb|, V: 10
Maximum collector current |Ic max|, A: 2
Maksimalna temperatura (Tj), °C: 90
Transition frequency (ft), MHz: 1
Collector capacitance (Cc), pF: 180
Forward current transfer ratio (hFE), min: 100
Noise Figure, dB: -
Package of AC187 transistor: TO1
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