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BD744B PNP Transistor

The BD744B is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BD744B transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD744B transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the BD744B transistor as follows.

Circuit diagram symbol of the BD744B transistor

BD744B Transistor Specification

Transistor Code BD744B
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Silicon(SI)
Package TO220
Collector Power Dissipation (Maximum) PC 90W
Collector-Base Voltage (Maximum) VCB 90V
Collector-Emitter Voltage (Maximum) VCE 90V
Collector Current (Maximum) IC 15A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 5MHz

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