S1955 PNP Transistor

The S1955 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the S1955 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The S1955 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 S1955 transistor as follows.

S1955 Transistor Specification

Transistor Code		S1955
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO202
Collector Power Dissipation (Maximum)	PC	1.5W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	50V
Collector Current (Maximum)	IC	1.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		70
Transition Frequency	FT	50MHz
Collector Capacitance	CC	30pF

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