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STMICROELECTRONICS STU2N80K5 High-Voltage Power MOSFET

The STU2N80K5 is an N-channel power MOSFET designed with MDmesh™ K5 technology, offering an 800 V drain-source voltage, ultra-low on-resistance, and low gate charge. Suitable for switching applications, it features industry-leading electrical characteristics such as high avalanche energy, Zener-protected design, and is available in multiple packages including IPAK, TO-220, and DPAK. Its robust electrical ratings support high-power, high-efficiency, and high-voltage environments, making it ideal for industrial switching, power management, and automotive applications with superior thermal and electrical performance.

Authorized Distributors
Source:Newark
Part No:STU2N80K5
Stock:529
Inv Date:06-11-2026
Price: Unit price: $1.97
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Source:DigiKey
Part No:STU2N80K5
Stock:654
Inv Date:06-11-2026
Price: Unit price: $1.91
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Part No:STU2N80K5
Stock:130
Inv Date:06-12-2026
Price: Unit price: $1.91
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STMICROELECTRONICS STU2N80K5 High-Voltage Power MOSFET Specifications:

  • Drain-source voltage: 800 V
  • Drain current (continuous at 25°C): 2 A
  • Pulsed drain current: 8 A
  • Total dissipation: 45 W (DPAK), 20 W (TO-220FP)
  • Gate threshold voltage: 3-5 V
  • On-resistance: 35-45 mΩ at Veg=10V, Ip=1A
  • Input capacitance: 105 pF
  • Output capacitance: 8 pF
  • Reverse transfer capacitance: 0.5 pF
  • Gate-source Zener diode breakdown: 30 V
  • Operating junction temperature: -55°C to 150°C
  • Thermal resistance junction-case: 2.78 °C/W (DPAK), 6.25 °C/W (TO-220FP)
  • Package options: DPAK, TO-220FP, TO-220, IPAK
  • Repetitive avalanche energy: 60.5 mJ
  • Electrically tested for avalanche, safe operating area, and ESD protection.

Buy the STMicroelectronics STU2N80K5 – Reliable High-Voltage Power MOSFET for Industrial Applications

Order the STMicroelectronics STU2N80K5 online today and elevate your power conversion and switching designs. This high-voltage N-channel MOSFET provides exceptional efficiency, low on-resistance, and a wide operating temperature range suitable for industrial, automotive, and high-power applications. With multiple packaging options including DPAK, TO-220, and IPAK, it's designed for easy integration into your systems. Ensure reliable operation, improved thermal management, and superior electrical performance by purchasing this robust power MOSFET directly through our online store now.

Buy STMicroelectronics STU2N80K5 now and experience unmatched reliability and performance in high-voltage switching environments.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STU2N80K5?

You can click on the BUY or RFQ button to purchase STU2N80K5 from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STU2N80K5?

You can download the STU2N80K5 datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STU2N80K5?

STMICROELECTRONICS

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