BF284 NPN Transistor

The BF284 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BF284 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BF284 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 BF284 transistor as follows.

BF284 Transistor Specification

Transistor Code		BF284
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO7
Collector Power Dissipation (Maximum)	PC	0.165W
Collector-Base Voltage (Maximum)	VCB	30V
Collector Current (Maximum)	IC	0.03A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	250MHz

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