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Cement resistance
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  • Cement resistance

Cement resistance

Category: Cement resistance

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  • Product Description
  • power curve
  • Electrical Specifications
  • Main performance
  • Material Code
    • Commodity name: Cement resistance

    Small size, shock resistance and good heat dissipation

    1, small volume, shock and humidity resistance, good heat dissipation

    2, complete insulation, good insulation for circuit board

    3, short-term overload resistance, low noise, no change in resistance value over the years

    4, high resistance value resistance

    5 can be made by using oxide film instead of winding, meeting lead-free/RoHS requirements


  • Ambient Temperature(℃)
    Rated Load(%)

  • Ω# Ω## K## Ω 0.2 Ω-1MΩ -55 ℃ ~ +155 ℃
    Item Category
    2W 3W 5W 7W 10W 15W 20W
    70 ℃ Rated Power 2W 3W 5W 7W 10W 15W 20W
    Maximum operating voltage 250V 350V 500V 500V 1000V 1000V 1000V
    Maximum load voltage 500V 700V 1000V 1000V 1000V 1000V 1000V
    Insulation 1000V 1000V 1000V 1000V 1000V 1000V 1000V
    Resistance Range J (5%) 10Ω-1MΩ 10Ω-100KΩ 10Ω-100KΩ 10Ω-100KΩ 10Ω-100KΩ 10Ω-100KΩ 10Ω-100KΩ
    119Ω# Ω 0.2 Ω-1MΩ 0.2 Ω-1MΩ 0.2 Ω-1MΩ 0.2 Ω-1MΩ
    Operating Temperature Range

  • Item Standard Value Test Method
    Short Time Overload ±2% 2.5 Times Rated Voltage/5 Seconds
    Heat Resistance ±2% Soldering Temperature: 350±10 ℃, Time: 3 seconds
    withstand voltage without burning or insulation damage apply DC voltage according to electrical specification table for 1 minute
    temperature coefficient MOF :± 350 ppm/℃
    winding:-80-+900ppm/℃     		experimental temperature: room temperature +100 ℃
    humidity resistant load ±5% temperature: 40±2 ℃, relative humidity: 90-95%,1 times rated working voltage, 1000 hours (1.5 hours on and 0.5 hours off)
    load life ±5% temperature: 70±2 ℃,1 times rated working voltage, time 1000 hours (1.5 hours on and 0.5 hours off)
    welding strength no lead falling off 2.5kg pulling force, duration 10 seconds
    solderability tin eating area above 95% soldering temperature: 235±5 ℃, time: 2±0.5 seconds

  • SQ 5W J 103
    Product Category Power Error Resistance
    SQP Type P 2W 2W J ±5% R1 0.1Ω
    SQM Type M 3W 3W K ±10% 100 10Ω
    SQH H Type 5W 5W 101 100 Ω
    SQZ Z Type 7W 7W 102 1.0KΩ
    10W 10W 103 10KΩ
    15W 15W
    20W 20W

    Power Size (mm) Resistance Range (Ω)
    h 1 w 1 s 1 p 1 winding oxide film
    2w 20 11 7 5 0.1 - 100 83-10k
    3W 25 12.5 9 5 0.1 - 150 151 - 50K
    5W 25 13.5 9 5 0.1 - 150 151 - 50K
    7W 39 13 9 5 0.1 - 430 431 - 50K
    10WS 35 16 12 7 0.1 - 300 301 - 100K
    10W 51 13 9 5 0.1 - 470 471 - 75K

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