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BD578 PNP Transistor

The BD578 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BD578 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD578 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 BD578 transistor as follows.

Circuit diagram symbol of the BD578 transistor

BD578 Transistor Specification

Transistor Code BD578
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Silicon(SI)
Package TO220
Collector Power Dissipation (Maximum) PC 30W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 60V
Collector Current (Maximum) IC 3A
Operating Junction Temperature (Maximum) TJ 150°C
Forward Current Transfer Ratio (hFE Value) 25
Transition Frequency FT 3MHz

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