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STMICROELECTRONICS STW20N90K5 High-Voltage Power MOSFET

The STW20N90K5 is a high-voltage N-channel Power MOSFET designed with MDmesh K5 technology, featuring ultra-low gate charge and reduced on-resistance for high-efficiency switching applications. Using a TO-247 package, it delivers 900 V drain-source breakdown voltage, with a continuous drain current of 20 A at 25°C and 13 A at 100°C, making it suitable for demanding power density environments. The device is static and dynamic characterized, avalanche tested, and protected with integrated Zener diodes, ideal for high-voltage switching tasks in industrial and electronics sectors.

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Source:Newark
Part No:STW20N90K5
Stock:530
Inv Date:06-12-2026
Price: Unit price: $7.8
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Source:DigiKey
Part No:STW20N90K5
Stock:362
Inv Date:06-12-2026
Price: Unit price: $8.11
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Part No:STW20N90K5
Stock:1184
Inv Date:06-12-2026
Price: Unit price: $8.11
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Part No:STW20N90K5
Stock:0
Inv Date:06-12-2026
Price: Unit price: $4.56
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Source:Arrow EU
Part No:STW20N90K5
Stock:300
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS STW20N90K5 High-Voltage Power MOSFET Specifications:

  • Drain-source breakdown voltage: 900 V
  • Drain current (continuous at 25°C): 20 A
  • Drain current (continuous at 100°C): 13 A
  • Pulsed drain current: 80 A
  • Total dissipation at 25°C: 250 W
  • Gate-source voltage: +30 V
  • Gate threshold voltage: 3-5 V
  • Static on-resistance: 0.21 Ω (typical)
  • Input capacitance: 1500 pF
  • Output capacitance: 120 pF
  • Reverse transfer capacitance: 1 pF
  • Gate charge: 40 nC
  • Turn-on delay: 20.2 ns
  • Turn-off delay: 64.7 ns
  • Switching times: 16 ns (fall time), 20.2 ns (turn-on delay)
  • Avalanche current: 50 A (repetitive or not)
  • Avalanche energy: 500 mJ at starting Tj = 25°C
  • Package: TO-247 with mechanical dimensions matching industry standards
  • Storage temperature: -55°C to +150°C
  • Operating junction temperature: -55°C to +150°C
  • Thermal resistance junction-case: 0.5 °C/W
  • Thermal resistance junction-ambient: 50 °C/W
  • Built-in Zener diodes for ESD protection

Buy the STMicroelectronics Series K5 High-Voltage Power MOSFET: STW20N90K5

Purchase the STW20N90K5 today and boost your power conversion efficiency with this high-voltage N-channel MOSFET featuring ultra-low gate charge and robust avalanche testing. Its TO-247 package facilitates easy mounting, and its excellent thermal resistance ensures dependable performance in demanding applications. Designed for high-voltage switching, it provides high current capacity, low on-resistance, and comprehensive protection features, making it an ideal choice for industrial, automation, and electronic sectors. Secure fast delivery and genuine parts by buying online now.

Order your STW20N90K5 high-voltage MOSFET today and ensure reliable, efficient power switching for your industrial projects or electronics designs.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STW20N90K5?

You can click on the BUY or RFQ button to purchase STW20N90K5 from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STW20N90K5?

You can download the STW20N90K5 datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STW20N90K5?

STMICROELECTRONICS

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