BDT57 NPN Transistor

The BDT57 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BDT57 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BDT57 transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the BDT57 transistor as follows.

BDT57 Transistor Specification

Transistor Code		BDT57
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	90W
Collector-Base Voltage (Maximum)	VCB	120V
Collector-Emitter Voltage (Maximum)	VCE	120V
Collector Current (Maximum)	IC	15A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		25

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