BC857ALT1G PNP Transistor

The BC857ALT1G is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BC857ALT1G transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BC857ALT1G transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the BC857ALT1G transistor as follows.

BC857ALT1G Transistor Specification

Transistor Code		BC857ALT1G
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		SOT23
Transistor SMD Code		3E
Collector Power Dissipation (Maximum)	PC	0.225W
Collector-Base Voltage (Maximum)	VCB	50V
Collector-Emitter Voltage (Maximum)	VCE	45V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		125
Transition Frequency	FT	100MHz
Collector Capacitance	CC	4.5pF

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