，， BD543 。 High IC, high PC, complement to BD543.  / Applications 。 Medium power amplifier applications.  / Equivalent Circuit / Pinning 12 3 PIN1：Base PIN 2：.

。 Medium power amplifier applications.  / Equivalent Circuit / Pinning 12 3 PIN1：Base PIN 2：Collector PIN 3：Emi.

TO-220 PNP 。Silicon PNP transistor in a TO-220 Plastic Package.  / Features ，， BD543 。 High IC, high PC, complement to BD543.  / Applications 。 Medium power amplifier applications.  / Equivalent Circuit / Pinning 12 3 PIN1：Base PIN .

BD544

BD5445EFV

BD5446EFV

BD544A

BD544B

BD540

BD540A

BD540B

BD540C

BD540S

BD540T

BD540YS

BD540YT