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STMICROELECTRONICS STD18N55M5 Power MOSFET

The STD18N55M5 is an N-channel power MOSFET designed for high-voltage switching applications. Featuring an extremely low on-resistance, it offers outstanding efficiency and power density, suitable for demanding electronic systems. Built with ST's proprietary vertical process technology and PowerMESH horizontal layout, this device provides high dv/dt capability and excellent switching performance. It is ideal for power converters, motor drives, and in create high-speed switching circuits with enhanced thermal management and reliability in various industrial and consumer electronics.

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Source:Newark
Part No:STD18N55M5
Stock:1708
Inv Date:06-11-2026
Price: Unit price: $3.02
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Source:DigiKey
Part No:STD18N55M5
Stock:2451
Inv Date:06-11-2026
Price: Unit price: $4.03
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Part No:STD18N55M5
Stock:192
Inv Date:06-12-2026
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Part No:STD18N55M5
Stock:0
Inv Date:06-11-2026
Price: Unit price: $4.34
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Part No:STD18N55M5
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.67
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STMICROELECTRONICS STD18N55M5 Power MOSFET Specifications:

  • Voltage Rating: 550 V
  • Drain Current: 16 A
  • Maximum Rds(on): 0.150 Ω
  • Package Options: D2PAK, DPAK, TO-220FP, TO-220
  • Drain-source Breakdown Voltage: 550 V
  • Gate Threshold Voltage: 3–4 V
  • Switching Times: Rise time 7 ns, Fall time 8.3 ns
  • Thermal Resistance (junction-case): Max 1.14 °C/W
  • Repetitive avalanche current: 4 A
  • Maximum Power Dissipation: 110 W
  • Device operates over a temperature range: -55°C to 150°C
  • Gate-Source Voltage: +25 V
  • Safe Operating Area: includes static and dynamic parameters
  • Built with proprietary vertical and horizontal technology for improved efficiency
  • Suitable for high-speed switching, motor control, and power conversion

Buy the Buy STMicroelectronics Power MOSFET Part Number STD18N55M5 Online

Discover the STD18N55M5 power MOSFET, engineered for high-voltage and high-current applications requiring low on-resistance and efficient switching. Perfect for power supplies, motor controllers, and industrial automation, this device offers excellent thermal performance and reliable operation in demanding environments. With versatile package options including D2PAK, DPAK, TO-220FP, and TO-220, it ensures easy integration into various designs. Purchase online today and enhance your electronic systems’ performance with this high-quality, durable Power MOSFET trusted by professionals worldwide.

Buy STMicroelectronics STD18N55M5 now and experience unmatched reliability and high-efficiency power switching for your industrial or consumer applications.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STD18N55M5?

You can click on the BUY or RFQ button to purchase STD18N55M5 from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STD18N55M5?

You can download the STD18N55M5 datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STD18N55M5?

STMICROELECTRONICS

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