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BDX51 NPN Transistor

The BDX51 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BDX51 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BDX51 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 BDX51 transistor as follows.

Circuit diagram symbol of the BDX51 transistor

BDX51 Transistor Specification

Transistor Code BDX51
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO3
Collector Power Dissipation (Maximum) PC 120W
Collector-Base Voltage (Maximum) VCB 140V
Collector-Emitter Voltage (Maximum) VCE 120V
Collector Current (Maximum) IC 10A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 7V
Forward Current Transfer Ratio (hFE Value) 15
Transition Frequency FT 20MHz

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