BUL74B NPN Transistor

The BUL74B is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUL74B transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUL74B 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 BUL74B transistor as follows.

BUL74B Transistor Specification

Transistor Code		BUL74B
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	100W
Collector-Base Voltage (Maximum)	VCB	800V
Collector-Emitter Voltage (Maximum)	VCE	400V
Collector Current (Maximum)	IC	14A
Operating Junction Temperature (Maximum)	TJ	200°C
Forward Current Transfer Ratio (hFE Value)		8

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