2SD1249A NPN Transistor

The 2SD1249A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SD1249A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SD1249A 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 2SD1249A transistor as follows.

2SD1249A Transistor Specification

Transistor Code		2SD1249A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO251
Collector Power Dissipation (Maximum)	PC	35W
Collector-Base Voltage (Maximum)	VCB	400V
Collector Current (Maximum)	IC	0.75A
Operating Junction Temperature (Maximum)	TJ	175°C
Forward Current Transfer Ratio (hFE Value)		30

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