KST43 NPN Transistor

The KST43 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KST43 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KST43 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 KST43 transistor as follows.

KST43 Transistor Specification

Transistor Code		KST43
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT23
Transistor SMD Code		1E
Collector Power Dissipation (Maximum)	PC	0.35W
Collector-Base Voltage (Maximum)	VCB	200V
Collector-Emitter Voltage (Maximum)	VCE	200V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	50MHz
Collector Capacitance	CC	4pF

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