MMBT123S NPN Transistor

The MMBT123S is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MMBT123S transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MMBT123S 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 MMBT123S transistor as follows.

MMBT123S Transistor Specification

Transistor Code		MMBT123S
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT23
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Emitter Voltage (Maximum)	VCE	18V
Collector Current (Maximum)	IC	1A
Forward Current Transfer Ratio (hFE Value)		150
Transition Frequency	FT	100MHz

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