2SD2142K transistor equivalent, silicon npn transistor.
hFE,。 Darlington connection for a high hFE, high input impedance.
/ Applications
。 High-gain amplifier transistor.
/ Equivalent Circuit
/ Pinning
3
2 1
PIN1：Emi.
。 High-gain amplifier transistor.
/ Equivalent Circuit
/ Pinning
3
2 1
PIN1：Emitter
PIN 2：Base PIN 3：Collector
.
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