STD123AS NPN Transistor

The STD123AS is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the STD123AS transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The STD123AS 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 STD123AS transistor as follows.

STD123AS Transistor Specification

Transistor Code		STD123AS
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT-23
Transistor SMD Code		12A
Collector Power Dissipation (Maximum)	PC	0.35W
Collector-Base Voltage (Maximum)	VCB	10V
Collector-Emitter Voltage (Maximum)	VCE	6V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		400
Transition Frequency	FT	260MHz
Collector Capacitance	CC	5pF

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