BC857 PNP Transistor

The BC857 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BC857 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BC857 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 BC857 transistor as follows.

BC857 Transistor Specification

Transistor Code		BC857
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		SOT23
Transistor SMD Code		3C_3H_3Hp_3Ht_3HW
Collector Power Dissipation (Maximum)	PC	0.2W
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	6V
Forward Current Transfer Ratio (hFE Value)		110
Transition Frequency	FT	150MHz
Collector Capacitance	CC	6pF

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