BF451 PNP Transistor

The BF451 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BF451 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BF451 transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the BF451 transistor as follows.

BF451 Transistor Specification

Transistor Code		BF451
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO226
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Base Voltage (Maximum)	VCB	40V
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	0.025A
Operating Junction Temperature (Maximum)	TJ	125°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	325MHz
Collector Capacitance	CC	0.7pF

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