BFJ74 NPN Transistor

The BFJ74 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFJ74 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFJ74 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 BFJ74 transistor as follows.

BFJ74 Transistor Specification

Transistor Code		BFJ74
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.36W
Collector-Base Voltage (Maximum)	VCB	50V
Collector-Emitter Voltage (Maximum)	VCE	50V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	185°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	250MHz
Collector Capacitance	CC	3.5pF

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