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HUF75321D3S from FAIRCHILD,Fairchild Semiconductor

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HUF75321D3S

Manufacturer: FAIRCHILD, FAI

20A, 55V, 0.036 Ohm, N-Channel UltraFET Power MOSFETs

Partnumber Manufacturer Quantity Availability
HUF75321D3S FAIRCHILD, FAI 12846 In Stock

Description and Introduction

20A, 55V, 0.036 Ohm, N-Channel UltraFET Power MOSFETs The **HUF75321D3S** from Fairchild Semiconductor is a high-performance **N-channel MOSFET** designed for power management applications. This component features a low on-resistance (RDS(on)) and high current-handling capability, making it well-suited for switching and amplification tasks in industrial, automotive, and consumer electronics.  

With a **30V drain-to-source voltage (VDS)** rating and a continuous drain current (ID) of **75A**, the HUF75321D3S ensures efficient power delivery while minimizing conduction losses. Its **logic-level gate drive** allows for compatibility with low-voltage control circuits, simplifying system design. Additionally, the MOSFET incorporates **fast switching characteristics**, reducing switching losses in high-frequency applications.  

The device is housed in a **TO-252 (DPAK) package**, providing a compact footprint and excellent thermal performance. Its robust construction ensures reliability in demanding environments, including high-temperature conditions.  

Engineers often integrate the HUF75321D3S into **DC-DC converters, motor drivers, and load switches**, where efficiency and thermal management are critical. Its combination of low RDS(on) and high current capacity makes it a preferred choice for power electronics designs requiring both performance and durability.  

For detailed specifications, designers should refer to the official datasheet to ensure proper implementation in their circuits.

Application Scenarios & Design Considerations

20A, 55V, 0.036 Ohm, N-Channel UltraFET Power MOSFETs

Alternative Part Number

  • IRF540N --: N-channel MOSFET with comparable 100V/33A ratings and low on-resistance, widely available and pin-compatible in TO-252/TO-220 packages.
  • STP55NF06 --: 60V N-channel power MOSFET with similar current capability and low RDS(on), suitable drop-in replacement for switching applications.
  • FQP30N06L --: Logic-level 60V N-channel MOSFET with comparable current rating and low gate threshold, good alternative for low-voltage gate drive circuits.

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