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ONSEMI FDS8638 PowerMOSFET

The FDS8638 is an N-channel MOSFET crafted with advanced PowerTrench technology, optimized to reduce on-state resistance and enhance switching efficiency. It is ideal for applications like synchronous rectification and load switching, providing reliable, high-performance operation. This device features a maximum drain-source voltage of 40 V and an continuous drain current of 18 A. It exhibits a low RDS(on) of 40 to 54 milliohms, depending on gate voltage and temperature, making it suitable for high-speed, low-loss power control circuits. The MOSFET is 100% tested for quality assurance and RoHS compliant, ensuring high durability and environmental safety.

Authorized Distributors
Source:Newark
Part No:FDS8638
Stock:1806
Inv Date:06-10-2026
Price: Unit price: $2.03
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Source:DigiKey
Part No:FDS8638
Stock:13691
Inv Date:06-10-2026
Price: Unit price: $2.1
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Part No:FDS8638
Stock:3186
Inv Date:06-11-2026
Price: Unit price: $2.1
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Part No:FDS8638
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.076
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Part No:FDS8638
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.076
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Part No:FDS8638
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.77
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Source:Arrow EU
Part No:FDS8638
Stock:2500
Inv Date:06-11-2026
Price: N/A
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Part No:FDS8638
Stock:489
Inv Date:06-11-2026
Price: N/A
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ONSEMI FDS8638 PowerMOSFET Specifications:

  • Drain to Source Voltage: 40 V
  • Gate to Source Voltage: ±20 V
  • Continuous Drain Current: 18 A
  • Pulsed Drain Current: 100 A
  • Single Pulse Avalanche Energy: 541 mJ
  • Power Dissipation at 25°C: 25 W
  • Junction Temperature Range: -55°C to +150°C
  • Thermal Resistance, Junction to Case: 25 K/W
  • Thermal Resistance, Junction to Ambient: 50 K/W
  • Maximum On Resistance: 40 to 54 milliohms (Varies with Gate Voltage and Temperature)

Buy the Buy ON Semiconductor FDS8638 Part Number FDS8638 Online

Purchase the ON Semiconductor FDS8638 online today to experience high-efficiency switching capabilities essential for load switches and synchronous rectifiers. This high-quality N-channel MOSFET provides low on-resistance, robust thermal performance, and is 100% tested for quality assurance. Ideal for power control applications requiring reliable operation, it features a drain-source voltage of 40 V and a continuous drain current of 18 A, ensuring optimal performance. Order now to benefit from fast shipping and genuine parts backed by full technical support and warranty coverage.

Get ON Semiconductor FDS8638 today—optimized for low RDS(on) and reliable high-speed switching performance in industrial and power management applications.

Frequently Asked Questions

Where can I buy ONSEMI FDS8638?

You can click on the BUY or RFQ button to purchase FDS8638 from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FDS8638?

You can download the FDS8638 datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FDS8638?

ONSEMI

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