BC857B PNP Transistor

The BC857B is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the BC857B transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BC857B 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 BC857B transistor as follows.

BC857B Transistor Specification

Transistor Code		BC857B
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		SOT23
Transistor SMD Code		3F_3Fp_3Fs_3Ft_3FW_9BB_G3F_K3B
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)		290
Transition Frequency	FT	300MHz
Collector Capacitance	CC	6pF

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