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   Zhihong coils specializes in customizing coils to meet your specific needs, ensuring that you get exactly what you want. Please feel free to send us an inquiry!

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Our inductors ensure efficient energy storage andsmooth current flow, ideal for power supplies andsignal filtering. Chokes are designed to minimizeelectromagnetic interference (EMl) and stabilize circuitperformance.We offer both standard and customdesians,delivering reliable solutions tailored to diverseindustry needs.

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  • Flat Wire SQ type Common Mode Choke Coil Inductor

    Flat Wire SQ type Common Mode Choke Coil Inductor

    Product features :

    • Great flat wire winding process
    • Small volume, large current
    • Unit current density is 1.3 times or more of round copper wire
    • Low DC resistance, small distributed capacitance
    • Easy to dissipate
    • Excellent EMI effect and stability
    • Produced by fully automatic machine, high efficiency and stable quality
    • Good insulation strength and long service life
    • Vertical or horizontal, customized is available
  • Toroidal transformer

    Inductor Toroidal Coil

    Toroidal inductor coil was conducted by using the principle of electromagnetic induction device. When a current flows through a wire,will produce certain electromagnetic field around that wire, and the electromagnetic field of the wire itself will be in within the scope of the electromagnetic field in the conductor induction effect.

  • Mode Choke UU Power Line Filter

    Mode Choke UU Power Line Filter

    Product features :

    • Custom designs available
    • Low magnetic flux leakage
    • Larger transmission power
    • High-temperature resistant
    • High efficiency of over 95%
    • High frequency range 10kHz-1MHz
    • High isolation strength
    • Lower profile and weight
    • High power density
  • Toroidal Common Mode Choke

    Toroidal Common Mode Choke

    Zhihong coils‘ toroidal common mode inductors are carefully designed for optimum performance. Their single layer winding structure provides the highest common mode impedance over the widest frequency range, ensuring effective EMI suppression.These common mode inductors are classified as nano type,SQ type ,Toroidal type,uu/ut type, all of which are suitable for switching power supplies with switching frequency of 100-300 kHz. They utilize the UL1446 Class B (130°C) insulation system and offer 3.2 mm creepage and clearance distances, as well as 1250 Vrms of inter-winding isolation (for 1 minute).Please contact us for customization