Flying Bull (Ningbo) Electronic Technology Co., Ltd.

Thermosetting electromagnetic coil for refueling equipment 210D-8

Short Description:

  • Model: 210D-8
  • Marketing Type: New Product 2020
  • Place of Origin: Zhejiang, China
  • Brand Name: Flying Bull
  • Warranty: 1 Year
  • Product Detail

    Product Tags


    Applicable Industries: Building Material Shops, Machinery Repair Shops, Manufacturing Plant, Farms, Retail, Construction works , Advertising Company
    Product name: Solenoid coil
    Normal Voltage: AC220V AC110V DC24V DC12V
    Normal Power (AC): 8VA
    Normal Power (DC): 6.5W

    Insulation Class: H
    Connection Type: DIN43650B
    Other special voltage: Customizable
    Other special power: Customizable
    Product No.: SB740
    Product Type: 210D-8

    Supply Ability

    Selling Units: Single item
    Single package size: 7X4X5 cm
    Single gross weight: 0.300 kg

    Product introduction

    What are the common electromagnetic coil test items?

    The test items of electromagnetic coil mainly include electrical strength, resistance measurement, turn-to-turn, temperature rise, high and low temperature, long-term electrification, salt spray and so on.

    1. Electrical strength test:

    Electrical strength test is also called withstand voltage test.

    2, turn to turn:

    A intersecting circumference formed by a copper wire is called a turn, an independent individual formed by multiple turns is called a circle, and the circle is also called an inter-turn.

    3, high and low temperature test:

    It is used to confirm the adaptability of products in storage, transportation and use under the conditions of temperature, humidity and climate.

    4, salt spray test:

    It is an environmental test to evaluate the corrosion resistance of products or metal materials by artificially simulating salt spray environmental conditions created by salt spray test equipment.


    Why high-frequency inductance coil usually passes through the conductor with multi-strand insulated wire alternating current, the current density of each part is uneven, the current density inside the conductor is small, and the current density outside the conductor is large, which is called skin effect. The higher the frequency of alternating current, the more obvious the skin effect is, and the frequency is high enough to think that the current completely flows through the conductor surface. Therefore, in high-frequency AC circuits, it is necessary to consider the influence of skin effect. For example, the coil on the radio magnetic antenna is wound with multiple insulated wires, and the outdoor antenna of TV is made of metal tube with larger diameter instead of metal rod, all of which are examples to increase the surface area of conductor and overcome the unlucky influence caused by skin effect.

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