K4111 PDF Datasheet – 600V, 10A, N-ch, MOSFET – Toshiba

This post explains for MOSFET.

The Part Number is K4111, 2SK4111.

The function of this semiconductor is N-channel 600V, 10A, MOSFET.

The package is TO-220 Type.

Manufacturer: Toshiba

Preview images :

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K4111 mosfet pinout


K4111 is Silicon N Channel MOS Type Field Effect Transistor(Metal Oxide Semiconductor Field Effect Transistor). This is a type of field effect transistor (FET) that uses an N-type semiconductor material as the conducting channel to control the flow of current.

When a positive voltage is applied to the gate terminal, it attracts electrons to the channel, creating an inversion layer and allowing current to flow between the source and drain terminals.

N-channel MOSFETs are widely used in a variety of electronic applications due to their high input impedance, fast switching speeds, and low power consumption. They are commonly used as switches, amplifiers, and voltage regulators.


• Low drain-source ON resistance: RDS (ON) = 0.54 Ω (typ.)

• High forward transfer admittance: |Yfs| = 8.5S (typ.)

• Low leakage current: IDSS = 100 μA (max) (VDS = 600 V)

• Enhancement mode: Vth = 2.0 to 4.0 V (VDS = 10 V, ID = 1 mA)


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K4111 pdf datasheet

Absolute Maximum Ratings (Ta = 25°C)

1. Drain to source voltage: VDSS = 600 V

2. Gate to source voltage: VGSS = ± 30 V

3. Drain current: ID = 10 A

4. Drain Power Dissipation: Pd = 45 W

5. Channel temperature: Tch = 150 °C

6. Storage temperature: Tstg = -55 to +150 °C


1. Switching Regulator

K4111 PDF Datasheet

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