2SD31 NPN Transistor

The 2SD31 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SD31 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SD31 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 2SD31 transistor as follows.

2SD31 Transistor Specification

Transistor Code		2SD31
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.125W
Collector-Base Voltage (Maximum)	VCB	25V
Collector Current (Maximum)	IC	0.125A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		25
Transition Frequency	FT	0.5MHz

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