2SD2478 NPN Transistor

The 2SD2478 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SD2478 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SD2478 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 2SD2478 transistor as follows.

2SD2478 Transistor Specification

Transistor Code		2SD2478
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO-220FP
Collector Power Dissipation (Maximum)	PC	30W
Collector-Base Voltage (Maximum)	VCB	80V
Collector-Emitter Voltage (Maximum)	VCE	80V
Collector Current (Maximum)	IC	4A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	7V
Forward Current Transfer Ratio (hFE Value)		1000
Transition Frequency	FT	40MHz
Collector Capacitance	CC	35pF

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