MMBT5551 NPN Transistor

The MMBT5551 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MMBT5551 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MMBT5551 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 MMBT5551 transistor as follows.

MMBT5551 Transistor Specification

Transistor Code		MMBT5551
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT23
Transistor SMD Code		3S_G1_K4N
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)		80
Transition Frequency	FT	100MHz
Collector Capacitance	CC	10pF

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