MMSTA42 NPN Transistor

The MMSTA42 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MMSTA42 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MMSTA42 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 MMSTA42 transistor as follows.

MMSTA42 Transistor Specification

Transistor Code		MMSTA42
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT323
Transistor SMD Code		K3M
Collector Power Dissipation (Maximum)	PC	0.2W
Collector-Emitter Voltage (Maximum)	VCE	300V
Collector Current (Maximum)	IC	0.2A
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	50MHz

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