2DD1621T NPN Transistor

The 2DD1621T is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2DD1621T transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2DD1621T 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 2DD1621T transistor as follows.

2DD1621T Transistor Specification

Transistor Code		2DD1621T
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT89
Collector Power Dissipation (Maximum)	PC	1W
Collector-Emitter Voltage (Maximum)	VCE	25V
Collector Current (Maximum)	IC	2A
Forward Current Transfer Ratio (hFE Value)		200
Transition Frequency	FT	300MHz

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