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KST3903 NPN Transistor

The KST3903 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KST3903 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KST3903 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 KST3903 transistor as follows.

Circuit diagram symbol of the KST3903 transistor

KST3903 Transistor Specification

Transistor Code KST3903
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO236
Transistor SMD Code 1Y
Collector Power Dissipation (Maximum) PC 0.35W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 40V
Collector Current (Maximum) IC 0.2A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 6V
Forward Current Transfer Ratio (hFE Value) 50
Transition Frequency FT 250MHz
Collector Capacitance CC 4pF

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