。 High voltage. / Applications 。 High voltage switching and humidifier. / Equivalent Circuit / Pinning 12 3 PIN1：Base PIN 2：Collector PIN 3：Emitter / hFE Cla.

。 High voltage switching and humidifier. / Equivalent Circuit / Pinning 12 3 PIN1：Base PIN 2：Collector PIN 3：Emi.

TO-220 NPN 。Silicon NPN transistor in a TO-220 Plastic Package.  / Features 。 High voltage. / Applications 。 High voltage switching and humidifier. / Equivalent Circuit / Pinning 12 3 PIN1：Base PIN 2：Collector PIN 3：Emitter / hFE C.

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