2SD1803I

2SD1803I Rev.E Mar.-2016 DATA SHEET / Descriptions TO-251 NPN 。Silicon NPN transistor in a TO-251 Plastic Package.  / Features ，，, 。 Low VCE(sat), high current and high fT, excellent linearity of hFE, fast switching time. / Applications ，，。 Relay drivers, high-speed inverters, and other general high-current switching applications. / Equivalent Circuit / Pinning 1 2 3 PIN1：Base PIN 2：Collector PIN 3：Emitter / hFE Classifications & Marking hFE Classifications Symbol hFE Range Q 70～140 R 100～200 S 140～280 T 200～400 http://www.fsbrec.com 1/6 2SD1803I Rev.E Mar.-2016 / Absolute Maximum Ratings(Ta=25℃) Parameter Collector to Base Voltage Collector to Emitter Voltage Emitter to ...