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BUL49A NPN Transistor

The BUL49A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BUL49A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BUL49A 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 BUL49A transistor as follows.

Circuit diagram symbol of the BUL49A transistor

BUL49A Transistor Specification

Transistor Code BUL49A
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO3
Collector Power Dissipation (Maximum) PC 40W
Collector-Base Voltage (Maximum) VCB 700V
Collector-Emitter Voltage (Maximum) VCE 500V
Collector Current (Maximum) IC 20A
Operating Junction Temperature (Maximum) TJ 200°C
Forward Current Transfer Ratio (hFE Value) 40

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