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KSD401 NPN Transistor

The KSD401 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KSD401 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KSD401 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 KSD401 transistor as follows.

Circuit diagram symbol of the KSD401 transistor

KSD401 Transistor Specification

Transistor Code KSD401
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO220
Collector Power Dissipation (Maximum) PC 25W
Collector-Base Voltage (Maximum) VCB 200V
Collector-Emitter Voltage (Maximum) VCE 150V
Collector Current (Maximum) IC 2A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 40
Transition Frequency FT 5MHz

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