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KSD1621S NPN Transistor

The KSD1621S is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KSD1621S transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KSD1621S 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 KSD1621S transistor as follows.

Circuit diagram symbol of the KSD1621S transistor

KSD1621S Transistor Specification

Transistor Code KSD1621S
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package SOT89
Collector Power Dissipation (Maximum) PC 0.5W
Collector-Base Voltage (Maximum) VCB 30V
Collector-Emitter Voltage (Maximum) VCE 25V
Collector Current (Maximum) IC 2A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 6V
Forward Current Transfer Ratio (hFE Value) 140
Transition Frequency FT 150MHz
Collector Capacitance CC 19pF

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