D7A31 NPN Transistor

The D7A31 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the D7A31 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The D7A31 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 D7A31 transistor as follows.

D7A31 Transistor Specification

Transistor Code		D7A31
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO5
Collector Power Dissipation (Maximum)	PC	1W
Collector-Base Voltage (Maximum)	VCB	50V
Collector-Emitter Voltage (Maximum)	VCE	50V
Operating Junction Temperature (Maximum)	TJ	140°C
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	15MHz

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