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BUF420M NPN Transistor

The BUF420M is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUF420M transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUF420M 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 BUF420M transistor as follows.

Circuit diagram symbol of the BUF420M transistor

BUF420M Transistor Specification

Transistor Code BUF420M
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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