BD257-60 NPN Transistor

The BD257-60 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BD257-60 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD257-60 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 BD257-60 transistor as follows.

BD257-60 Transistor Specification

Transistor Code		BD257-60
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TOP3
Collector Power Dissipation (Maximum)	PC	125W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	25A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		10
Transition Frequency	FT	3MHz

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