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BUL49B NPN Transistor

The BUL49B is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUL49B transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUL49B 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 BUL49B transistor as follows.

Circuit diagram symbol of the BUL49B transistor

BUL49B Transistor Specification

Transistor Code BUL49B
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO3
Collector Power Dissipation (Maximum) PC 40W
Collector-Base Voltage (Maximum) VCB 550V
Collector-Emitter Voltage (Maximum) VCE 250V
Collector Current (Maximum) IC 30A
Operating Junction Temperature (Maximum) TJ 200°C
Forward Current Transfer Ratio (hFE Value) 40

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