BFR91A NPN Transistor

The BFR91A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFR91A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFR91A 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 BFR91A transistor as follows.

BFR91A Transistor Specification

Transistor Code		BFR91A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO51
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Base Voltage (Maximum)	VCB	15V
Collector-Emitter Voltage (Maximum)	VCE	12V
Collector Current (Maximum)	IC	0.035A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	2V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	6000MHz
Collector Capacitance	CC	1.2pF

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