3DA1 NPN Transistor

The 3DA1 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 3DA1 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 3DA1 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 3DA1 transistor as follows.

3DA1 Transistor Specification

Transistor Code		3DA1
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	7.5W
Collector-Emitter Voltage (Maximum)	VCE	30V
Collector Current (Maximum)	IC	0.75A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		15
Transition Frequency	FT	10MHz

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