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STMICROELECTRONICS STP3NK50Z Power MOSFET

The STP3NK50Z is an N-channel Power MOSFET with Zener protection, utilizing SuperMESH™ technology for reduced on-resistance and high dv/dt capability. It features a drain-source voltage of 500 V, a continuous drain current of 2.3 A at 25°C, and pulsed currents up to 9.2 A. Designed for switching applications, it boasts an avalanche rating of 23 A and total dissipation of 45 W. This TO-220 package device includes built-in back-to-back Zener diodes for enhanced ESD and transient voltage protection, suitable for demanding power conversion and switching tasks.

Authorized Distributors
Source:Newark
Part No:STP3NK50Z
Stock:1588
Inv Date:06-11-2026
Price: Unit price: $0.393
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Source:DigiKey
Part No:STP3NK50Z
Stock:3571
Inv Date:06-11-2026
Price: Unit price: $1.27
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Part No:STP3NK50Z
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.338
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Part No:STP3NK50Z
Stock:50
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS STP3NK50Z Power MOSFET Specifications:

  • Drain-source voltage: 500 V
  • Drain-gate voltage: 500 V
  • Gate-source voltage: +30 V
  • Drain current (continuous at 25°C): 2.3 A
  • Drain current (pulsed): 9.2 A
  • Total dissipation: 45 W
  • Thermal resistance junction-case: 2.78 °C/W
  • Thermal resistance junction-ambient: 62.5 °C/W
  • On-resistance (Rds(on)): 28-33 mΩ
  • Gate threshold voltage: 3-4.5 V
  • Avalanche energy: 120 mJ
  • Package: TO-220

Buy the STMicroelectronics Series SuperMESH Power MOSFET: STP3NK50Z

Purchase the STP3NK50Z high-voltage N-channel Power MOSFET online today for reliable switching applications up to 500 V. Engineered with SuperMESH™ technology, it offers low on-resistance, superior dv/dt capabilities, and built-in Zener diodes for enhanced protection. Suitable for power conversion, switching, and demanding electronic designs, this TO-220 packaged device ensures high efficiency and durability. Buy now to ensure your project benefits from top-tier performance, safety, and environmental compliance, all available through easy online ordering.

Order your STMicroelectronics Series SuperMESH Power MOSFET STP3NK50Z today and give your switching projects the dependable high-voltage performance they deserve.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STP3NK50Z?

You can click on the BUY or RFQ button to purchase STP3NK50Z from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STP3NK50Z?

You can download the STP3NK50Z datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STP3NK50Z?

STMICROELECTRONICS

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