。 high speed switching. / Applications ，.。 Power audio amplifier, high speed switching applications. / Equivalent Circuit / Pinning 12 3 PIN1：Emitter PIN 2：Col.

，.。 Power audio amplifier, high speed switching applications. / Equivalent Circuit / Pinning 12 3 PIN1：Emitter P.

TO-126F NPN 。Silicon NPN transistor in a TO-126F Plastic Package.  / Features 。 high speed switching. / Applications ，.。 Power audio amplifier, high speed switching applications. / Equivalent Circuit / Pinning 12 3 PIN1：Emitter PIN 2：.

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