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MMDT5551 NPN Transistor

The MMDT5551 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MMDT5551 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MMDT5551 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 MMDT5551 transistor as follows.

Circuit diagram symbol of the MMDT5551 transistor

MMDT5551 Transistor Specification

Transistor Code MMDT5551
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package SOT363
Transistor SMD Code K4N
Collector Power Dissipation (Maximum) PC 0.2W
Collector-Emitter Voltage (Maximum) VCE 160V
Collector Current (Maximum) IC 0.2A
Forward Current Transfer Ratio (hFE Value) 80
Transition Frequency FT 100MHz

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