HC4242S NPN Transistor

The HC4242S is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the HC4242S transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The HC4242S 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 HC4242S transistor as follows.

HC4242S Transistor Specification

Transistor Code		HC4242S
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	75W
Collector-Base Voltage (Maximum)	VCB	700V
Collector-Emitter Voltage (Maximum)	VCE	400V
Collector Current (Maximum)	IC	4A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	9V
Forward Current Transfer Ratio (hFE Value)		10
Transition Frequency	FT	4MHz
Collector Capacitance	CC	65pF

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