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3-122-721 - SCHURTER

Description: UMT-W Fuse TT 20A

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PCB Footprints
3-122-721 - SCHURTER PCB footprint - Fuses Chip - Fuses Chip - 15.4x5.35x5.35mm
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3D Models
3-122-721 - SCHURTER  - 3D model - Fuses Chip - 15.4x5.35x5.35mm
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3-122-721 Details

  • Manufacturer Part Number:

    3-122-721

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.10.00.40

  • Factory Lead Time:

    22 Weeks, 3 Days

  • Manufacturer:

    Schurter Electronic Components

  • Blow Characteristic:

    SUPER TIME LAG

  • Body Breadth:

    5.35 mm

  • Body Height:

    5.35 mm

  • Body Length or Diameter:

    15.4 mm

  • Circuit Protection Type:

    ELECTRIC FUSE

  • Joule Integral-Nom:

    2800 J

  • Mounting Feature:

    SURFACE MOUNT

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Packing Method:

    TR, 13 INCH

  • Pre-arcing Time-Min:

    25 ms

  • Rated Breaking Capacity:

    350 A

  • Rated Current:

    20 A

  • Rated Voltage(AC):

    125 V

  • Rated Voltage(DC):

    125 V

  • Reference Standard:

    CE; CUL; IEC; UKCA; UL

  • Surface Mount:

    YES

  • Terminal Shape:

    WRAPAROUND

3-122-721 Frequently Asked Questions (FAQs)

  • The recommended torque for the screw terminals is 0.5 Nm to 1.5 Nm, depending on the wire size and type. It's essential to follow the manufacturer's guidelines to ensure reliable connections.
  • The 3-122-721 is designed specifically for use with 5x20mm fuses. While it may be possible to use other types of fuses, it's not recommended as it may compromise the safety and performance of the device. Always use the specified fuse type to ensure compliance with safety standards.
  • The operating temperature range for the 3-122-721 is -40°C to 125°C. However, it's essential to note that the fuse itself may have a different temperature rating, so be sure to check the fuse datasheet for specific information.
  • While the 3-122-721 is a robust component, it's not specifically designed for high-vibration applications. If you need a fuse holder for a high-vibration environment, consider using a component with additional features such as screw-clamp terminals or a more secure mounting system.
  • The 3-122-721 has a standard rating for humidity and is not designed for use in wet environments. If you need a fuse holder for a humid or wet environment, consider using a component with a higher ingress protection rating, such as IP67 or higher.

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3-122-721 Overview

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Part Image 3-122-720 Schurter Electronic Components

Electric Fuse, Super Time Lag Blow, 20A, 125VAC, 125VDC, 350A (IR), Surface Mount