Frequently Asked Questions (FAQ)

Coilmaster Electronics -Reliable manufacturer of inductors, transformers, and common mode chokes for the automotive, medical, and industrial industries.

FAQ

Frequently asked questions

We have compiled a list of frequently asked questions and essential knowledge about power inductors, common-mode chokes, transformers, and RJ45 (LAN magnetic components). This information covers from basic product details to their applications and important considerations when using them. Our primary goals include developing high-performance products, minimizing energy loss, and making contributions to sustainability.

Should you not find the answer to your inquiry, please do not hesitate to reach out to our dedicated sales team. We are more than delighted to assist you.


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The inductor also called for coil, choke, or reactor. Is a passive component with two two-terminal, designed to resist changes in current.

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Understanding the differences between various inductor core materials is crucial in selecting the right component for your application. At Coilmaster Electronics, we not only break down the unique properties...

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At Coilmaster Electronics, we understand that the world of inductors can be complex, with many technical terms that are essential for making informed decisions. To help you navigate these terms with confidence,...

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We prioritize the quality and reliability of our inductors, ensuring they meet the highest standards throughout their storage and use. The recommended storage period varies depending on the specific series...

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The following storage information is for the storage method(environment) of general inductors.

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In order to focus on the performance, there are portions of the wire wound inductor which are coated with resin. Even if there is coating, the lead lines are not protected. For this reason, pay sufficient...

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The temperature range refers allowable range of the ambient temperature when using an inductor. The self-heating of the inductor should be taken into consideration as well.

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When an inductor is used beyond the operating temperature range, the following failures can be considered. (1) Case where the coil is disconnected and results in an open mode (2) Case where the insulation...

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Generally, the inductor is utilized to suppress high frequency noise and stabilize the current in power supply lines. The power inductor for a choke can also be used for power supplies. Please contact...

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What is a magnetic shield? If there is no magnetic shield, what happens to the ceramic?

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Transformers can be divided into two categories based on the operating frequency: high-frequency and low-frequency transformers. The operating frequency of high-frequency transformers is usually over 1kHz,...

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The casing and bobbin are usually used for transformers to fix and protect the internal structure of the transformer. The transformer's bobbin is typically made of metal or plastic, with high strength...

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High Voltage Power Inductors Manufacturer | Coilmaster Electronics

Located in Taiwan since 1995, Coilmaster Electronics Co., Ltd. has been a manufacturer of magnetic components. Its main magnetic components include, common mode chokes, SMD molding power chokes, chock coil inductors, SMD shielded and semi-shielded power inductors, low profile and high current power inductors, high voltage power inductors, ethernet and LAN power transformers, flat wire inductors, RJ45 jacks with integrated magnetics and high frequency transformers, and ceramic or air coil multilayer chip inductors.

Coilmaster is a professional manufacturer for inductor, common mode choke, chip beads and transformer. Our vision is “Creating high-performance inductors, reducing energy loss, and contributing to sustainable” To achieve this, our engineer team is keen to design the power inductor to have better efficiency. With more than 20 years of experience in magnetic territory, Coilmaster Electronics is specialized in the production of SMD power inductors, common mode choke, high frequency transformers.

Coilmaster Electronics has been providing customers with high current power inductors since 1995, with both advanced technology and 29 years of experience, Coilmaster Electronics ensures that each customer's requirements are met.