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STMICROELECTRONICS STP7NK40Z Power MOSFET

The STP7NK40Z is a SuperMESH™ N-channel MOSFET featuring Zener-protected design, optimized for low on-resistance and high performance. It offers excellent dV/dt capability, is 100% avalanche tested, and has minimized gate charge and intrinsic capacitances. Designed for demanding applications, it operates across a wide junction temperature range from -55°C to 150°C. Typical uses include power management, lighting, and industrial equipment.

Authorized Distributors
Source:Newark
Part No:STP7NK40Z
Stock:9263
Inv Date:06-11-2026
Price: Unit price: $2.04
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Source:DigiKey
Part No:STP7NK40Z
Stock:3331
Inv Date:06-11-2026
Price: Unit price: $2.63
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Part No:STP7NK40Z
Stock:2286
Inv Date:06-12-2026
Price: Unit price: $2.41
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Part No:STP7NK40Z
Stock:200
Inv Date:06-11-2026
Price: Unit price: $0.59
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Source:Arrow EU
Part No:STP7NK40Z
Stock:4440
Inv Date:06-12-2026
Price: N/A
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Part No:STP7NK40Z
Stock:2000
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS STP7NK40Z Power MOSFET Specifications:

  • Drain-source Voltage: 400 V
  • Gate-Source Voltage: +30 V
  • Drain Current (continuous at 25°C): 5.4 A
  • Drain Current (pulsed): 21.6 A
  • Total Dissipation at 25°C: 70 W
  • Thermal Resistance Junction-Case Max: 1.78 °C/W
  • Thermal Resistance Junction-Ambient Max: 62.5 °C/W
  • Operating Junction Temperature: -55°C to 150°C
  • Gate-Source Breakdown Voltage: 30 V
  • Rds(on): Typical 0.85 Ω at Vgs=10V
  • Gate Charge: 19-26 nC
  • Capacitance: Ciss 535 pF, Coss 82 pF
  • Switching Time: Turn-on delay 15 ns, Turn-off delay 30 ns
  • Max Avalanche Energy: 130 mJ
  • Built-in Zener diodes for gate protection, designed for high dv/dt applications
  • Mechanical package options include TO-220, TO-220FP, DPAK, IPAK

Buy the Buy STMicroelectronics STP7NK40Z Part Number STP7NK40Z Online

Get the STP7NK40Z N-channel Power MOSFET online today. Featuring Zener-protected design, low on-resistance, and excellent dV/dt performance, it’s ideal for high-speed switching, power supplies, and industrial applications. With 100% avalanche tested circuitry, minimized gate charge, and extensive thermal stability, this MOSFET ensures dependable operation under demanding conditions. Purchase now to enhance your power management systems with superior efficiency and durability, backed by STMicroelectronics quality assurance.

Buy STMicroelectronics STP7NK40Z now and experience unmatched reliability and performance for your high-current switching needs.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STP7NK40Z?

You can click on the BUY or RFQ button to purchase STP7NK40Z from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STP7NK40Z?

You can download the STP7NK40Z datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STP7NK40Z?

STMICROELECTRONICS

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