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TD649 NPN Transistor

The TD649 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the TD649 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The TD649 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 TD649 transistor as follows.

Circuit diagram symbol of the TD649 transistor

TD649 Transistor Specification

Transistor Code TD649
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO3
Collector Power Dissipation (Maximum) PC 62.5W
Collector-Base Voltage (Maximum) VCB 100V
Collector-Emitter Voltage (Maximum) VCE 100V
Collector Current (Maximum) IC 8A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 750

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