MQ5551R NPN Transistor

The MQ5551R is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MQ5551R transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MQ5551R transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the MQ5551R transistor as follows.

MQ5551R Transistor Specification

Transistor Code		MQ5551R
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO86
Collector Power Dissipation (Maximum)	PC	0.2W
Collector-Base Voltage (Maximum)	VCB	180V
Collector-Emitter Voltage (Maximum)	VCE	160V
Collector Current (Maximum)	IC	0.6A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	100MHz
Collector Capacitance	CC	10pF

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