D42D4 NPN Transistor

The D42D4 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the D42D4 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The D42D4 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 D42D4 transistor as follows.

D42D4 Transistor Specification

Transistor Code		D42D4
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO202
Collector Power Dissipation (Maximum)	PC	12W
Collector-Base Voltage (Maximum)	VCB	70V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	4A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		5000
Collector Capacitance	CC	45pF

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