2SA1857-3 PNP Transistor

The 2SA1857-3 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA1857-3 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA1857-3 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 2SA1857-3 transistor as follows.

2SA1857-3 Transistor Specification

Transistor Code		2SA1857-3
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		SOT323
Transistor SMD Code		JS3
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Base Voltage (Maximum)	VCB	15V
Collector-Emitter Voltage (Maximum)	VCE	12V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	750MHz
Collector Capacitance	CC	1.6pF

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