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2SD669AD Rev.E May.-2016 DATA SHEET / Descriptions TO-252 NPN Silicon NPN transistor in a TO-252 Plastic Package. / Features 2SB649AD Complementary pair with 2SB649AD. / Applications Low frequency power amplifier. / Equivalent Circuit / Pinning 4 1 2 3 PIN1Base PIN 2,4Collector PIN 3Emitter / hFE Classifications & Marking hFE Classifications B C DSymbol hFE Range 60120 100200 160320 http://www.fsbrec.com 1 / 6 2SD669AD Rev.E May.-2016 DATA SHEET / Absolute Maximum Ratings(Ta=25) Parameter Symbol Rating Unit Collector to Base Voltage VCBO 180 VCollector to Emitter Voltage VCEO 160 VEmitter to Base Voltage VEBO 5.