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KXT5551 NPN Transistor

The KXT5551 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KXT5551 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KXT5551 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 KXT5551 transistor as follows.

Circuit diagram symbol of the KXT5551 transistor

KXT5551 Transistor Specification

Transistor Code KXT5551
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package SOT89
Collector Power Dissipation (Maximum) PC 1.2W
Collector-Base Voltage (Maximum) VCB 180V
Collector-Emitter Voltage (Maximum) VCE 160V
Collector Current (Maximum) IC 0.6A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 6V
Forward Current Transfer Ratio (hFE Value) 80
Transition Frequency FT 100MHz
Collector Capacitance CC 6pF

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