MQ3644 PNP Transistor

The MQ3644 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the MQ3644 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MQ3644 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 MQ3644 transistor as follows.

MQ3644 Transistor Specification

Transistor Code		MQ3644
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO86
Collector Power Dissipation (Maximum)	PC	0.35W
Collector-Base Voltage (Maximum)	VCB	45V
Collector-Emitter Voltage (Maximum)	VCE	45V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	125°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		115
Transition Frequency	FT	250MHz
Collector Capacitance	CC	8pF

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