KST51 NPN Transistor

The KST51 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KST51 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KST51 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 KST51 transistor as follows.

KST51 Transistor Specification

Transistor Code		KST51
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT-89
Transistor SMD Code		AS2
Collector Power Dissipation (Maximum)	PC	1.3W
Collector-Base Voltage (Maximum)	VCB	80V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		1000
Transition Frequency	FT	200MHz

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