BF493Q PNP Transistor

The BF493Q is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BF493Q transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BF493Q 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 BF493Q transistor as follows.

BF493Q Transistor Specification

Transistor Code		BF493Q
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO92
Collector Power Dissipation (Maximum)	PC	0.625W
Collector-Base Voltage (Maximum)	VCB	300V
Collector-Emitter Voltage (Maximum)	VCE	300V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	8V
Forward Current Transfer Ratio (hFE Value)		25
Transition Frequency	FT	50MHz
Collector Capacitance	CC	1.6pF

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