TIP31 。 Complement to TIP31. / Applications 。 Medium power linear switching applications. / Equivalent Circuit / Pinning 1 23 PIN1：Base PIN 2：Collector PIN 3：.

。 Medium power linear switching applications. / Equivalent Circuit / Pinning 1 23 PIN1：Base PIN 2：Collector PIN .

TO-220 PNP 。Silicon PNP transistor in a TO-220 Plastic Package.  / Features TIP31 。 Complement to TIP31. / Applications 。 Medium power linear switching applications. / Equivalent Circuit / Pinning 1 23 PIN1：Base PIN 2：Collector PIN .

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