S1221A Specs and Replacement
Type Designator: S1221A
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 0.36 W
Maximum Collector-Base Voltage |Vcb|: 40 V
Maximum Collector-Emitter Voltage |Vce|: 30 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 0.5 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 250 MHz
Collector Capacitance (Cc): 8 pF
Forward Current Transfer Ratio (hFE), MIN: 60
Noise Figure, dB: -
S1221A Substitution
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S1221A datasheet
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Detailed specifications: RV1741, S0022, S022011, S031A, S0704, S1068, S1168, S1202, BC337, S1234, S1236, S1237, S1238, S1239, S1242, S1272, S1298
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