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ONSEMI HUF75545S3ST Power MOSFET

This N-Channel UltraFET Power MOSFET offers an 80 V drain-to-source voltage, 75 A continuous drain current, and ultra-low on-resistance of 0.0102 V at 10V gate. Designed for high efficiency switching applications, it features a TO-220AB and TO-263AB packaging, peak pulse current capability, and robust thermal ratings. The device operates reliably across temperatures from -55°C to +175°C, with high power dissipation of 270 W and thermal resistance of 0.55°C/W junction to case. Ideal for power management, load switching, and motor control circuits, ensuring low conduction losses and fast switching times.

Authorized Distributors
Source:DigiKey
Part No:HUF75545S3ST
Stock:545
Inv Date:06-11-2026
Price: Unit price: $3.78
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Part No:HUF75545S3ST
Stock:7074
Inv Date:06-12-2026
Price: Unit price: $3.78
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Part No:HUF75545S3ST
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.37
Buy/RFQ:
Part No:HUF75545S3ST
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.37
Buy/RFQ:
Part No:HUF75545S3ST
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2.09
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ONSEMI HUF75545S3ST Power MOSFET Specifications:

  • Drain to Source Voltage: 80 V
  • Drain to Gate Voltage: 20 V
  • Gate to Source Voltage: ±20 V
  • Continuous Drain Current: 75 A at 25°C
  • Pulsed Drain Current: 270 A
  • Power Dissipation: 270 W
  • Thermal Resistance Junction to Case: 0.55°C/W
  • Operating Temperature Range: -55°C to +175°C
  • Maximum Soldering Temperature: 300°C for 10 seconds
  • Package Types: JEDEC TO-220AB and TO-263AB
  • Gate Threshold Voltage: 2-4 V
  • On Resistance: 0.0082-0.010 Ω at Vgs = 10 V
  • Input Capacitance: 3750 pF
  • Output Capacitance: 1100 pF
  • Reverse Transfer Capacitance: 350 pF
  • Reverse Recovery Time: 100 ns
  • Gate Charge at 10 V: 105-125 nC

Buy the Buy FAIRCHILD HUF75545S3ST Part Number HUF75545S3ST Online

Experience rapid and reliable online ordering of the Power MOSFET with part number HUF75545S3ST from FAIRCHILD. This high-performance N-Channel device offers 80V and 75A power handling, with ultra-low Rds(on) for efficient switching. Perfect for power management, motor control, and load switching, it features excellent thermal performance and robust construction suitable for demanding environments. Ordering online ensures quick delivery, technical support, and genuine FAIRCHILD quality, making it the ideal choice for professional engineers and electronic designers seeking top-tier semiconductor components.

Buy FAIRCHILD HUF75545S3ST now and experience unmatched reliability and performance in high-efficiency switching applications.

Frequently Asked Questions

Where can I buy ONSEMI HUF75545S3ST?

You can click on the BUY or RFQ button to purchase HUF75545S3ST from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part HUF75545S3ST?

You can download the HUF75545S3ST datasheet or visit the ONSEMI website for support.

Who is the manufacturer of HUF75545S3ST?

ONSEMI

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