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820541021 - Würth Elektronik

Description: Disk Varistor Standard WE-VD - BULK 14mm; 1000Vrms; 1465Vdc; 1800Vvar; 4.5kA; 348J

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PCB Footprints
820541021 - Würth Elektronik PCB footprint - Other - Other - WE-VD_14mmx13.5
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3D Models
820541021 - Würth Elektronik  - 3D model - Other - WE-VD_14mmx13.5
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820541021 Details

  • Manufacturer Part Number:

    820541021

  • Brand Name:

    Wurth Electronik

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED, ROHS COMPLIANT

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.40.00

  • Manufacturer:

    Wurth Elektronik

  • YTEOL:

    15

  • Circuit RMS Voltage-Max:

    1000 V

  • Energy Absorbing Capacity-Max:

    348 J

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    16.5 mm

  • Package Length:

    16.5 mm

  • Package Shape:

    DISK PACKAGE

  • Package Style:

    Radial

  • Package Width:

    12.8 mm

  • Packing Method:

    BULK

  • Rated Power Dissipation (P):

    0.6 W

  • Reference Standard:

    CUL; UL; VDE

  • Resistor Type:

    VARISTOR

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Working Voltage:

    1465 V

820541021 Frequently Asked Questions (FAQs)

  • Wurth Elektronik provides a recommended PCB layout and land pattern in their application notes and whitepapers. It's essential to follow these guidelines to ensure proper component mounting and to prevent thermal and electrical issues.
  • The 820541021 has a high power density, and proper thermal management is crucial. Ensure good airflow, use thermal vias, and consider heat sinks or thermal pads to keep the component within its operating temperature range.
  • While the datasheet provides the maximum rated voltage, it's essential to derate the voltage based on the application's operating conditions. A general rule of thumb is to derate the voltage by 10-20% to ensure long-term reliability and prevent premature failure.
  • The 820541021 is designed to meet standard vibration and shock requirements, but it's essential to evaluate the component's suitability for your specific application. Consider the component's mechanical stress limits, and consult with Wurth Elektronik or a qualified engineer if you're unsure.
  • The 820541021 has built-in EMI shielding, but it's still essential to follow proper PCB design and layout practices to minimize electromagnetic interference. Ensure proper grounding, use shielding cans or enclosures, and consider additional EMI filtering components if necessary.

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