Power Inductor

  • Choke inductor

    Choke inductor

    Ferrite rod choke inductor is widely and popular in automotive electronics, with small size, the main advantage is cost effective, high inductance and low loss.

  • 200uH Sendust Core Inductor

    200uH Sendust Core Inductor

    200uH Sendust Core Inductor

    High current power inductor is mainly made of high quality PEW or EIW copper wire

    Advantage of this high quality coil with litz wire and ferrite fortification in the center is that devices using this solution can be charged on charging stations of both standards.


    1.Customized according to your unique request

    2. Using Elektrisola wire, high stability.

    3. Precision wound coil and 100% all tested to ensure the quality.

    4. Build to confirm ROHS compliant

    5.Short lead time and quick sample

    6.Samples could be provided for your testing


    1. Wire diameter: Customized

    2. High current, up to 65A TYP

    3.  Current: 200uH

    4. Made according to customers request

    Size and dimensions:

    图片1 图片2


    1.     Inductance: 200uH for 32A.

    2.     Actual RMS current 32.2A rms 50Hz sine, but we want higher current capability of 50A, because efficiency is very important in the project.

    3.     Saturation current > 62A (50% of nominal inductance)

    4.     Current Ripple: 16A

    5.     Actual voltage 400V peak-to-peak 50kHz.

    6.     No housing, standalone inductors only, we will pour inductors in resin.

    7.     Resonant frequency Fr > 2.5MHz.


    Taking into account the need for high-requirement SRF value, we chose this large black magnetic ring for winding.


    In the field of magnetic toroidal inductors, small magnetic toroidal inductors have great demand in the market. On the contrary, there are few large magnetic loop inductors, which is based on technical difficulty and cost issues.

    Mature technology is the self-confidence of the factory.

    In our factory, the skilled workers have more than ten years of technical experience. In the production of these different types of magnetic loop inductors, the workers’ time and technology are in place in one step, which largely solves the problem of production efficiency.

    To design this three “high” product, we have passed many tests and determined the final competent solution through material selection and production methods.

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    The strict requirements of customers are also our driving force.

    Our magnetic core materials and copper wire materials are purchased from famous domestic raw material manufacturers KDM and Pacific Copper Wire. The skilled craftsmanship and superior materials make Mingda’s products more quality assurance.

    At the same time, our quality supervision is like the finishing touch, with careful inspection and testing before shipment, and safe and reliable packaging methods. The products we sell have won unanimous praise from customers in Korea and Japan!


  • Toroid choke with base

    Toroid choke with base

    The advantage of toroid chokes are more prominent, such as better soft saturation, negligible core loss, temperature stability and low cost. The inductor with Fe Si Al magnetic powder core can eliminate the disadvantage caused by the air gap of ferrite magnetic ring.

  • Rod Core Choke

    Rod Core Choke

    For rod core choke, the most important function is that The AC signal could be filtered or resonant with resistor and capacitor.

  • Radial Leaded Wire Wound Inductor

    Radial Leaded Wire Wound Inductor

    The I-shaped inductor is an electromagnetic induction element composed of an I-shaped magnetic core frame and enameled copper wire. It is a component that can convert electrical signals into magnetic signals. The I-shaped inductor itself is an inductor. The skeleton of the I-shaped inductor is supported by the winding of the copper core coil. I-shaped inductance is one of the attributes of electronic circuits or devices. 

  • PFC inductor

    PFC inductor

    PFC inductor, also called toroidal inductor, Capable of handling very high DC bias current with minimal inductance roll off.

    “Power Factor Correction” The power factor is the ratio of the effective power divided by the total power consumption (apparent power).

  • Power toroidal inductor

    Power toroidal inductor

    For sendust power toroidal inductor, The main advantage is:  SENDUST and KOOL MU cores are distributed air gaps with low losses at high frequencies, Through hole mount with pre-tinned leads that can be directly soldered to PCB.The loss is lower than that of the iron powder core, the good straight iron silicon magnetic circulation bias characteristics, and the cost is between the iron powder core and the iron nickel molybdenum (MPP) magnetic powder core

  • SMT power inductor

    SMT power inductor

    This type SMT power inductor is widely used for LED, Digital products, LED drive.

    With open unshielded design, it has Low tolerances at high inductance values, The size is small. 

  • SMD shielded power inductor

    SMD shielded power inductor

    The shielded patch power inductor is a kind of Gree magnetic field interference. The use of a good magnetic cover to achieve electromagnetic shielding can not only prevent the interference of the peripheral electromagnetic field, but also a shielding measure that does not interfere with the operation of other peripheral components.

  • SMD power inductor

    SMD power inductor

    Surface mount power inductors for applications ranging from power supply to power converters. Core types include ferrite and pressed iron powder with topologies including: non-shielded, shielded, pressed iron powder, ferrite coated, and wirewound chip inductors.
    With low loss core and compact size, it is ideal for noise suppression, EMI filter, Perfectly suitable for switching regulators.

  • SMD integrated power inductor

    SMD integrated power inductor

    Ming Da is professional manufacturer for SMD power inductor (Shielded/Unshielded). Power inductors are very important in applications where voltage conversion is necessary because they yield lower core losses. Sometimes Power inductors also will used in store energy. Power Inductor maintains a steady current in an electrical circuit with a different current.

  • Radial Shielded power inductor

    Radial Shielded power inductor

    For shielded power radial inductor, it is ideal as a choke coil for noise filtering,  With low Rdc, large current type, it is best for the power supply line.

    Unique mold could be opened for you with your size request.

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