MP2139A PNP Transistor

The MP2139A is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the MP2139A transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MP2139A 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 MP2139A transistor as follows.

MP2139A Transistor Specification

Transistor Code		MP2139A
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO3
Collector Power Dissipation (Maximum)	PC	70W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	45V
Collector Current (Maximum)	IC	3A
Operating Junction Temperature (Maximum)	TJ	110°C
Emitter-Base Voltage (Maximum)	VEB	35V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	0.12MHz

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