BUT21CF NPN Transistor

The BUT21CF is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUT21CF transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUT21CF 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 BUT21CF transistor as follows.

BUT21CF Transistor Specification

Transistor Code		BUT21CF
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		ISO220
Collector Power Dissipation (Maximum)	PC	20W
Collector-Base Voltage (Maximum)	VCB	850V
Collector-Emitter Voltage (Maximum)	VCE	450V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	1.5V
Forward Current Transfer Ratio (hFE Value)		25

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