2SD1803 - Silicon NPN transistor
2SD1803 Features
* ，，fT ，，。 Low VCE(sat), high current and high fT, excellent linearity of hFE, fast switching time. / Applications 、、。 Relay drivers, high-speed inverters, general high-current switching applications. / Equivalent Circuit / Pinning 12 3 4 PIN1：Base PIN 2,4：Collector PIN 3：Emitter / hF
