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V420SM7 - LITTELFUSE

Description: Surface Mount Varistor, 420 VAC, 560VDC

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PCB Footprints
V420SM7 - LITTELFUSE PCB footprint - Other - Other - V420SM7
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3D Models
V420SM7 - LITTELFUSE  - 3D model - Other - V420SM7
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V420SM7 Details

  • Manufacturer Part Number:

    V420SM7

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.40.00

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    8.25

  • Circuit RMS Voltage-Max:

    420 V

  • Energy Absorbing Capacity-Max:

    30 J

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    6 mm

  • Package Length:

    11.4 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    SMT

  • Package Width:

    8.3 mm

  • Packing Method:

    TR, 13 INCH

  • Rated Temperature:

    85 °C

  • Reference Standard:

    UL

  • Resistor Type:

    VARISTOR

  • Surface Mount:

    YES

  • Technology:

    METAL OXIDE

  • Terminal Finish:

    MATTE TIN

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    J BEND

  • Working Voltage:

    560 V

V420SM7 Frequently Asked Questions (FAQs)

  • The recommended PCB footprint for the V420SM7 is a rectangular pad with a minimum size of 2.5mm x 1.5mm, with a 0.5mm radius corner and a 0.3mm spacing between pads.
  • To ensure reliable soldering, use a soldering iron with a temperature of 250°C to 270°C, and apply a small amount of solder paste to the pads. Use a soldering technique that minimizes the risk of overheating the component.
  • The maximum allowable voltage stress on the V420SM7 is 1.5 times the rated voltage, but not exceeding 1500V. Exceeding this voltage may cause damage to the component.
  • Yes, the V420SM7 can be used in high-frequency applications up to 100 kHz. However, the component's performance may degrade at higher frequencies due to internal capacitance and inductance.
  • To prevent ESD damage, handle the V420SM7 with ESD-protective equipment, such as wrist straps, mats, and bags. Ensure that the workspace is ESD-safe and follow proper handling procedures.

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