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IRF421 MOSFET Transistor

The IRF421 is a N-Channel metal-oxide semiconductor field-effect transistor (MOSFET) is the most common type of field-effect transistor (FET). This transistor has a three-terminal device with Gate (G), Drain (D) and Source (S) terminals.

Circuit diagram symbol of the IRF421 transistor as follows.

Circuit diagram symbol of the IRF421 transistor

IRF421 Transistor Specification

Transistor Code IRF421
Transistor Type MOSFET
Control Channel Type N-Channel
Package TO204AA
Drain-Source Voltage (Maximum) VDS 450V
Gate-Source Voltage (Maximum) VGS 20V
Drain Current (Maximum) ID 2.5A
Drain-Source On-State Resistance (Maximum) RDS(on) 3Ohm
Power Dissipation (Maximum) PD 50W
Drain-Source Capacitance 75pF
Operating Junction Temperature (Maximum) 150°C
Rise Time 12nS
Gate-Threshold Voltage (Maximum) 4V

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