BUF420I NPN Transistor

The BUF420I is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUF420I transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUF420I 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 BUF420I transistor as follows.

BUF420I Transistor Specification

Transistor Code		BUF420I
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TOP3
Collector Power Dissipation (Maximum)	PC	115W
Collector-Base Voltage (Maximum)	VCB	850V
Collector-Emitter Voltage (Maximum)	VCE	450V
Collector Current (Maximum)	IC	30A
Operating Junction Temperature (Maximum)	TJ	150°C
Forward Current Transfer Ratio (hFE Value)		100

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