2SK3940

EOL announced

Power MOSFET (N-ch single 60V<VDSS≤150V)

ALL Data sheet Application Note Other

Data sheet

2SK3940 Data sheet/Japanese[Sep,2009]PDF: 294KB

Data sheet

2SK3940 Data sheet/English[Sep,2009]PDF: 188KB

Application Note

MOSFET SPICE model grade[May,2023]PDF: 1639KB

Application Note

Electrical Characteristics: Power MOSFET Application Notes[Feb,2023]PDF: 1266KB

Application Note

Quick Reference Guide for Thermal Design for Power Semiconductor SMD type: Part 2[Dec,2020]PDF: 3593KB

Application Note

Efficiency evaluation of Half-bridge DC-DC converter supporting 48V Bus system[Sep,2020]PDF: 1517KB

Application Note

Avalanche energy calculation[Mar,2020]PDF: 562KB

Application Note

Quick Reference Guide for Thermal Design for Discrete Semiconductor Devices[Feb,2020]PDF: 2104KB

Application Note

Resonant Circuits and Soft Switching[Nov,2019]PDF: 1071KB

Application Note

Power Factor Correction (PFC) Circuits: Power MOSFET Application Notes[Nov,2019]PDF: 1061KB

Application Note

U-MOSⅨ-H 60V Low VDS spike TPH1R306P1[Aug,2019]PDF: 1081KB

Application Note

Hints and Tips for Thermal Design part3[Feb,2019]PDF: 3165KB

Application Note

Reverse Recovery Operation and Destruction of MOSFET Body Diode[Sep,2018]PDF: 472KB

Application Note

MOSFET Secondary Breakdown[Sep,2018]PDF: 450KB

Application Note

RC Snubbers for Step-Down Converters[Sep,2018]PDF: 1846KB

Application Note

Structures and Characteristics: Power MOSFET Application Notes[Jul,2018]PDF: 331KB

Application Note

Maximum Ratings: Power MOSFET Application Notes[Jul,2018]PDF: 705KB

Application Note

Selecting MOSFETs and Consideration for Circuit Design: Power MOSFET Application Notes[Jul,2018]PDF: 848KB

Application Note

Thermal Design and Attachment of a Thermal Fin: Power MOSFET Application Notes[Jul,2018]PDF: 789KB

Application Note

Parasitic Oscillation and Ringing: Power MOSFET Application Notes[Jul,2018]PDF: 1394KB

Application Note

Parasitic Oscillation between Parallel Power MOSFETs: Power MOSFET Application Notes[Jul,2018]PDF: 1178KB

Application Note

MOSFET Gate Drive Circuit: Power MOSFET Application Notes[Jul,2018]PDF: 1215KB

Application Note

Impacts of the dv/dt Rate on MOSFETs: Power MOSFET Application Notes[Jul,2018]PDF: 1077KB

Application Note

MOSFET Avalanche Ruggedness: Power MOSFET Application Notes[Jul,2018]PDF: 616KB

Application Note

Hints and Tips for Thermal Design for Discrete Semiconductor Devices[Jul,2018]PDF: 1266KB

Application Note

Calculating the Temperature of Discrete Semiconductor Devices[Jul,2018]PDF: 965KB

Application Note

Derating of the MOSFET Safe Operating Area[Jul,2018]PDF: 656KB

Application Note

MOSFET Self-Turn-On Phenomenon[Jul,2018]PDF: 1338KB

Application Note

Discrete Semiconductor Devices Hints and Tips for Thermal Design Part 2[Jul,2018]PDF: 1069KB

Application Note

Motor Control (Vacuum Cleaners)[Jul,2018]PDF: 2483KB

Catalog

Selection Guide MOSFETs 2025 Rev1.1[Sep,2025]PDF: 3987KB

Data sheet

2SK3940 Data sheet/Japanese[Sep,2009]PDF: 294KB

Data sheet

2SK3940 Data sheet/English[Sep,2009]PDF: 188KB

Application Note

MOSFET SPICE model grade[May,2023]PDF: 1639KB

Application Note

Electrical Characteristics: Power MOSFET Application Notes[Feb,2023]PDF: 1266KB

Application Note

Quick Reference Guide for Thermal Design for Power Semiconductor SMD type: Part 2[Dec,2020]PDF: 3593KB

Application Note

Efficiency evaluation of Half-bridge DC-DC converter supporting 48V Bus system[Sep,2020]PDF: 1517KB

Application Note

Avalanche energy calculation[Mar,2020]PDF: 562KB

Application Note

Quick Reference Guide for Thermal Design for Discrete Semiconductor Devices[Feb,2020]PDF: 2104KB

Application Note

Resonant Circuits and Soft Switching[Nov,2019]PDF: 1071KB

Application Note

Power Factor Correction (PFC) Circuits: Power MOSFET Application Notes[Nov,2019]PDF: 1061KB

Application Note

U-MOSⅨ-H 60V Low VDS spike TPH1R306P1[Aug,2019]PDF: 1081KB

Application Note

Hints and Tips for Thermal Design part3[Feb,2019]PDF: 3165KB

Application Note

Reverse Recovery Operation and Destruction of MOSFET Body Diode[Sep,2018]PDF: 472KB

Application Note

MOSFET Secondary Breakdown[Sep,2018]PDF: 450KB

Application Note

RC Snubbers for Step-Down Converters[Sep,2018]PDF: 1846KB

Application Note

Structures and Characteristics: Power MOSFET Application Notes[Jul,2018]PDF: 331KB

Application Note

Maximum Ratings: Power MOSFET Application Notes[Jul,2018]PDF: 705KB

Application Note

Selecting MOSFETs and Consideration for Circuit Design: Power MOSFET Application Notes[Jul,2018]PDF: 848KB

Application Note

Thermal Design and Attachment of a Thermal Fin: Power MOSFET Application Notes[Jul,2018]PDF: 789KB

Application Note

Parasitic Oscillation and Ringing: Power MOSFET Application Notes[Jul,2018]PDF: 1394KB

Application Note

Parasitic Oscillation between Parallel Power MOSFETs: Power MOSFET Application Notes[Jul,2018]PDF: 1178KB

Application Note

MOSFET Gate Drive Circuit: Power MOSFET Application Notes[Jul,2018]PDF: 1215KB

Application Note

Impacts of the dv/dt Rate on MOSFETs: Power MOSFET Application Notes[Jul,2018]PDF: 1077KB

Application Note

MOSFET Avalanche Ruggedness: Power MOSFET Application Notes[Jul,2018]PDF: 616KB

Application Note

Hints and Tips for Thermal Design for Discrete Semiconductor Devices[Jul,2018]PDF: 1266KB

Application Note

Calculating the Temperature of Discrete Semiconductor Devices[Jul,2018]PDF: 965KB

Application Note

Derating of the MOSFET Safe Operating Area[Jul,2018]PDF: 656KB

Application Note

MOSFET Self-Turn-On Phenomenon[Jul,2018]PDF: 1338KB

Application Note

Discrete Semiconductor Devices Hints and Tips for Thermal Design Part 2[Jul,2018]PDF: 1069KB

Application Note

Motor Control (Vacuum Cleaners)[Jul,2018]PDF: 2483KB

Catalog

Selection Guide MOSFETs 2025 Rev1.1[Sep,2025]PDF: 3987KB

Description

Polarity	N-ch
Generation	U-MOSⅢ
RoHS Compatible Product(s) (#)	Available

Notes

The Part Number column shows representative part numbers only, which may not be available for sale in the precise form shown. Each Part Number constitutes a product family which may contain multiple associated product configurations.
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Toshiba Package Name	TO-3P(N)
Package Image
JEITA	SC-65
Pins	3
Mounting	Through Hole
Width×Length×Height (mm)	15.5×20.0×4.5
Package Dimensions	View

Characteristics	Symbol	Rating	Unit
Drain-Source voltage	V_DSS	75	V
Drain current	I_D	70	A

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2SK3940

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