BUP21A NPN Transistor

The BUP21A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUP21A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUP21A 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 BUP21A transistor as follows.

BUP21A Transistor Specification

Transistor Code		BUP21A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TOP3
Collector Power Dissipation (Maximum)	PC	100W
Collector-Emitter Voltage (Maximum)	VCE	350V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		25

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