2N5421 NPN Transistor

The 2N5421 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N5421 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N5421 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 2N5421 transistor as follows.

2N5421 Transistor Specification

Transistor Code		2N5421
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO39
Collector Power Dissipation (Maximum)	PC	3W
Collector-Base Voltage (Maximum)	VCB	36V
Collector-Emitter Voltage (Maximum)	VCE	18V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		10
Transition Frequency	FT	300MHz
Collector Capacitance	CC	5pF

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