T1903 PNP Transistor

The T1903 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the T1903 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The T1903 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 T1903 transistor as follows.

T1903 Transistor Specification

Transistor Code		T1903
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO5
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Base Voltage (Maximum)	VCB	25V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	85°C
Emitter-Base Voltage (Maximum)	VEB	12V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	6MHz
Collector Capacitance	CC	24pF

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