BFJ78 NPN Transistor

The BFJ78 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFJ78 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFJ78 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 BFJ78 transistor as follows.

BFJ78 Transistor Specification

Transistor Code		BFJ78
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO72
Collector Power Dissipation (Maximum)	PC	0.2W
Collector-Base Voltage (Maximum)	VCB	15V
Collector-Emitter Voltage (Maximum)	VCE	15V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	185°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	600MHz
Collector Capacitance	CC	1.7pF

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