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V481HB34 - LITTELFUSE

Description: 750 V 40 kA Varistor 1 Circuit Through Hole Square 34mm, Formed Tabs

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V481HB34 - LITTELFUSE PCB footprint - Other - Other - V481HB34-1
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V481HB34 - LITTELFUSE  - 3D model - Other - V481HB34-1
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V481HB34 Details

  • Manufacturer Part Number:

    V481HB34

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Reach Compliance Code:

    Unknown

  • Similar Group:

    VA0010011049

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.40.00

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.5

  • Circuit RMS Voltage-Max:

    480 V

  • Energy Absorbing Capacity-Max:

    650 J

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Height:

    42.5 mm

  • Package Length:

    37 mm

  • Package Style:

    Radial

  • Package Width:

    8.3 mm

  • Reference Standard:

    CUL; UL

  • Resistor Type:

    VARISTOR

  • Surface Mount:

    NO

  • Technology:

    METAL OXIDE

  • Terminal Finish:

    Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    FLAT

  • Working Voltage:

    640 V

V481HB34 Frequently Asked Questions (FAQs)

  • Littelfuse recommends a PCB layout with a large copper area connected to the thermal tab to dissipate heat efficiently. A minimum of 1 oz copper thickness is recommended, and the copper area should be at least 1 inch x 1 inch in size.
  • To ensure reliable soldering, Littelfuse recommends using a soldering iron with a temperature range of 250°C to 260°C, and a solder with a melting point of 180°C to 190°C. The component should be soldered within 3 seconds to 5 seconds, and the solder joints should be inspected for proper wetting and filleting.
  • The V481HB34 has a maximum surge current rating of 100 A for 10 ms, and 50 A for 100 ms. However, it's essential to consult the datasheet and application notes for specific surge current requirements and derating factors.
  • Yes, the V481HB34 is designed to withstand high-vibration environments. However, it's crucial to ensure that the component is properly secured to the PCB using a suitable mounting method, such as a screw or adhesive, to prevent mechanical stress and damage.
  • Littelfuse recommends storing the V481HB34 in its original packaging, away from direct sunlight, moisture, and extreme temperatures. The component should be handled with electrostatic discharge (ESD) precautions, such as using an ESD wrist strap or mat, to prevent damage.

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V481HB34 Overview

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Part Image V481HB34 Intersil Corporation

RESISTOR, VOLTAGE DEPENDENT, 640V, 650J, THROUGH HOLE MOUNT