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BDY57A NPN Transistor

The BDY57A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BDY57A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BDY57A 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 BDY57A transistor as follows.

Circuit diagram symbol of the BDY57A transistor

BDY57A Transistor Specification

Transistor Code BDY57A
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO3
Collector Power Dissipation (Maximum) PC 175W
Collector-Base Voltage (Maximum) VCB 120V
Collector-Emitter Voltage (Maximum) VCE 80V
Collector Current (Maximum) IC 25A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 10V
Forward Current Transfer Ratio (hFE Value) 40
Transition Frequency FT 10MHz

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