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ONSEMI FDPF39N20 High-Voltage Power MOSFET

The FDPF39N20 is a high-voltage MOSFET based on UniFET™ technology, utilizing planar stripe and DMOS processes. Designed to minimize ON-state resistance, it offers improved switching performance and enhanced avalanche energy capability. This device is suitable for switching power converter applications such as power factor correction (PFC), flat panel display (FPD) TVs, ATX power supplies, and electronic lamp ballasts. It is 100% avalanche tested, with a typical low gate charge of 38nC and a typical low reverse transfer capacitance of 57pF. Ideal for power management, consumer electronics, and lighting systems.

Authorized Distributors
Source:Newark
Part No:FDPF39N20
Stock:929
Inv Date:06-10-2026
Price: Unit price: $3.09
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Source:DigiKey
Part No:FDPF39N20
Stock:6644
Inv Date:06-10-2026
Price: Unit price: $3
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Part No:FDPF39N20
Stock:5574
Inv Date:06-11-2026
Price: Unit price: $3
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Part No:FDPF39N20
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.32
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Part No:FDPF39N20
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.32
Buy/RFQ:
Part No:FDPF39N20
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1.43
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ONSEMI FDPF39N20 High-Voltage Power MOSFET Specifications:

  • Drain-Source Voltage: 200 V
  • Drain Current: 39 A (T=25°C), 23.4 A (T=100°C)
  • Pulsed Drain Current: 156 A
  • Gate-Source Voltage: ±30 V
  • Avalanche Energy: 860 mJ
  • Power Dissipation: 37 W (at Tg=25°C)
  • Thermal Resistance, Junction-to-Case: 0.5°C/W
  • Thermal Resistance, Junction-to-Ambient: 62.5°C/W
  • Gate Charge: 38 nC (typical)
  • Output Capacitance: 520 pF
  • Body Diode Forward Voltage: 1.4 V
  • Operating Temp Range: -55°C to +150°C

Buy the Buy FAIRCHILD FDPF39N20 Part Number FDPF39N20 Online

Purchase the FAIRCHILD FDPF39N20 high-voltage power MOSFET online today. Designed for switching power supplies, lighting, and consumer electronics, it features low gate charge, high avalanche energy, and excellent thermal performance. Perfect for power factor correction, flat panel displays, and ATX power supplies, this device ensures efficiency, reliability, and resilience. Buy now and equip your projects with a robust, avalanche-tested MOSFET built to meet demanding power management needs, with fast switching and minimal on-resistance for optimal performance.

Get FAIRCHILD FDPF39N20 today—built for precision and long-lasting durability in high-voltage switching applications.

Frequently Asked Questions

Where can I buy ONSEMI FDPF39N20?

You can click on the BUY or RFQ button to purchase FDPF39N20 from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FDPF39N20?

You can download the FDPF39N20 datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FDPF39N20?

ONSEMI

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