When developing or manufacturing electronic devices, one often encounters difficulties when choosing common-mode inductors - poor anti-interference ability, excessive noise during device operation, large data fluctuations; when trying to pair with Switching Power Supply Transformer or High-frequency Transformer, there are no models with matching parameters available, and additional circuit adjustments are required during installation; ordinary inductors generate severe heat during operation, and long-term use can easily cause damage, affecting the lifespan of the entire device. JIU LI's Common-mode inductance specifically addresses these issues, with strong anti-interference ability, flexible compatibility, and low heat generation. Whether for power supplies or transformer accessories, it can make the device operate more stably.
Product Description
Jiu Li This common-mode inductor is made with high-permeability manganese-zinc ferrite cores, and the windings are tightly wound with oxygen-free copper wire. The outer layer is covered with high-temperature resistant insulating material. The overall structure is compact and the size is small. It is a key anti-interference component in electronic circuits and can be directly used in conjunction with Electronic Transformer, High-frequency Transformer, Switching Power Supply Transformer, etc. It is equipped with standardized pins, so the PCB layout does not need to be modified during welding, and it has strong adaptability. The surface of the inductor is marked with clear parameter identifiers, which makes it convenient for quick selection and avoids errors caused by parameter confusion. As a universal electronic component, it covers various common specifications, meeting the anti-interference requirements of both household small-power power supplies and industrial high-power equipment.
Technical Specifications
The inductance range of this common-mode inductor is 10μH - 1000μH, with an error of ≤ ±10%. It can precisely match the anti-interference requirements of different devices; the rated current is 2A - 20A, meeting the current-carrying requirements of small-power household equipment to medium-large power industrial equipment. The working frequency range is 50Hz - 500kHz, suitable for the high-frequency working scenarios of High-frequency Transformer, and will not cause anti-interference failure due to frequency mismatch; the temperature rise is ≤ 40℃ (at rated current), 25% lower than that of ordinary common-mode inductors, and it will not overheat during long-term operation. The insulation resistance is ≥ 100MΩ (500V DC), with an insulation strength of 2500V AC/1min, and there will be no leakage or breakdown problems; the operating temperature range is - 40℃ - 125℃, allowing stable operation in both low-temperature environments and high-temperature chassis.
Product Features and Advantages
The advantages of Jiu Li common-mode inductors precisely meet the requirements of electronic devices. First, they have strong anti-interference performance. The high-permeability magnetic core and tightly wound windings can effectively suppress common-mode interference, resulting in less noise during device operation and stable data. Compared with ordinary inductors, the anti-interference effect is improved by 40%. Second, they have wide compatibility. They can be used in conjunction with Electronic Transformer, Switching Power Supply Transformer, etc., without the need to purchase separate components for different devices. Third, they have low heat generation. The low-temperature rise design reduces heat accumulation and avoids component burnout due to overheating, extending the overall lifespan of the equipment. Fourth, they are easy to install. The standardized pins and clear parameters make the welding and selection process easier, reducing development and production time. Fifth, they have good durability. The high-temperature resistant insulating material and high-strength structure make them less prone to damage in vibration or temperature changes, with a fault rate 30% lower than that of ordinary inductors. Application scenario
Installing this in the household Switching Power Supply Transformer (such as chargers and adapters) can reduce power interference and prevent damage to devices like mobile phones and computers; when used in conjunction with industrial High-frequency Transformer, it can suppress high-frequency interference and ensure stable signal transmission for automated equipment; in the power circuits of medical devices, it is used, featuring low heat generation and strong anti-interference performance, which can guarantee the accuracy of medical instrument data and avoid the risk of misdiagnosis caused by interference; when installed in new energy equipment (such as photovoltaic inverters), it is compatible with Electronic Transformer and can resist grid interference, improving energy conversion efficiency; in the power modules of communication equipment, it reduces signal interference and ensures stable communication quality, avoiding call or data transmission interruptions.
Customer Benefits
Choosing JIU LI's common mode inductors can save a lot of work for enterprises and R&D personnel. Strong anti-interference reduces equipment debugging time and lowers the defective rate of products caused by interference; it is widely compatible and does not require storing multiple models, reducing inventory costs; low heat generation extends equipment lifespan and reduces the frequency and cost of after-sales maintenance. For consumers, devices equipped with this inductor operate more stably, do not fail due to interference, and have a better user experience; strong durability allows the equipment to last longer, reducing frequent replacements and indirectly saving expenses. Standardized design can also accelerate product development progress, allowing new products to be launched faster and seizing market opportunities earlier.
Customer Reviews and Recommendations
Mr. Zhang, a power research engineer, said: "The previous common mode inductors had weak anti-interference, and there were always noises when the charger was charging the mobile phone. After replacing with JIU LI's model, the interference completely disappeared, and it also worked smoothly when paired with the Switching Power Supply Transformer. The temperature rise was also low, and the prototype test passed in one attempt." Mr. Li, the manager of an industrial equipment factory, commented: "Our equipment was previously paired with High-frequency Transformer, and the previous inductors always burned out due to overheating. After replacing with JIU LI's, the temperature rise was only 35°C after continuous operation for 8 hours, and the failure rate was reduced by half, and production efficiency was also improved." Ms. Wang, the electronic component purchaser, recommended: "After comparing with multiple brands, JIU LI's common mode inductors have the strongest compatibility, can be compatible with the Electronic Transformer and Switching Power Supply Transformer we purchased, have precise parameters, and have few售后 problems. Now it is our long-term supplier."
