BU522A NPN Transistor

The BU522A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BU522A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BU522A 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 BU522A transistor as follows.

BU522A Transistor Specification

Transistor Code		BU522A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	75W
Collector-Base Voltage (Maximum)	VCB	450V
Collector-Emitter Voltage (Maximum)	VCE	400V
Collector Current (Maximum)	IC	7A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		250
Transition Frequency	FT	3MHz
Collector Capacitance	CC	300pF

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