BUP21B NPN Transistor

The BUP21B is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUP21B transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUP21B 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 BUP21B transistor as follows.

BUP21B Transistor Specification

Transistor Code		BUP21B
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TOP3
Collector Power Dissipation (Maximum)	PC	100W
Collector-Emitter Voltage (Maximum)	VCE	400V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		25

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