BFP521I NPN Transistor

The BFP521I is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFP521I transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFP521I 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 BFP521I transistor as follows.

BFP521I Transistor Specification

Transistor Code		BFP521I
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO18
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Base Voltage (Maximum)	VCB	30V
Collector Current (Maximum)	IC	0.02A
Operating Junction Temperature (Maximum)	TJ	175°C
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	150MHz

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