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2SD1857D
Rev.E May.-2016
DATA SHEET
/ Descriptions
TO-252 NPN 。Silicon NPN transistor in a TO-252 Plastic Package.
/ Features
，，。 High breakdown voltage ,Low collector output capacitance ,High transition frequency.
/ Applications
,,。 Power supplies, relay drivers, lamp drivers, and automotive wiring.
/ Equivalent Circuit
/ Pinning
12 3
4
PIN1：Base
PIN 2,4：Collector
PIN 3：Emitter
/ hFE Classifications & Marking
hFE Classifications Symbol hFE Range
P 82～180
Q 120～270
R 180～390
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2SD1857D
Rev.E May.
2SD1857D Datasheet
