2SD1857 transistor equivalent, silicon npn transistor.
，，。 High breakdown voltage ,Low collector output capacitance ,High transition frequency.
/ Applications
,,。 Power supplies, relay drivers, lamp drivers, and automotiv.
,,。 Power supplies, relay drivers, lamp drivers, and automotive wiring.
/ Equivalent Circuit
/ Pinning
123
PIN1：Ba.
TO-92LM NPN 。Silicon NPN transistor in a TO-92LM Plastic Package.
/ Features
，，。 High breakdown voltage ,Low collector output capacitance ,High transition frequency.
/ Applications
,,。 Power supplies, relay drivers, lamp drivers, and automot.
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