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Magnetic Core
HAIPART
YF10003
To meet the electromagnetic compatibility requirements of 2P 30mA leakage current protectors, HAIPART utilizes a multi-layer nanocrystalline ribbon (μi = 15k ± 5%) and ferrite composite structure, achieving an impedance of ≥ 1.8kΩ in the 150kHz-30MHz frequency band and an insertion loss of -42dB at 10MHz. A vacuum hot-pressing process ensures the lamination accuracy of the ultra-thin ribbon to 0.05mm, and epoxy resin vacuum impregnation ensures the product passes the 10V/m radio frequency interference test according to the IEC 61000-4-6 standard. HAIPART's unique annular gradient magnetic permeability design effectively balances 30mA weak signal detection sensitivity with 200A transient surge immunity. With an operating temperature range of -40°C to 125°C, the magnetic performance fluctuation rate is less than 3%, providing an EMI protection solution for miniature circuit breakers that complies with the GB/T 16916.1-2014 standard.
Applications
Suitable for smart terminal devices, communication infrastructure, automotive electronic systems, and other fields
FAQ
Q1:What is the main function of a magnetic core?
A1:Suppressing high-frequency electromagnetic interference (EMI) improves the electromagnetic compatibility (EMC) of wire systems by converting high-frequency noise into heat energy dissipation.
Q2:What is the working principle of a magnetic core?
A2:At low frequencies, the impedance is low, while at high frequencies, the impedance increases sharply, forming a "reflection-absorption" mechanism for noise.
Q3:How to choose magnetic core materials?
A3:Select impedance matching materials based on the interference frequency; for high-frequency noise, nickel-zinc ferrite is preferred.
Q4:How to match the core size?
A4:The inner diameter needs to be compatible with the outer diameter of the wire. The longer the length, the better the filtering effect, but the installation space needs to be considered.
Q5:What are the requirements for the installation location of the magnetic core?
A5:Stay close to the source of interference and avoid being far from the noise emission point.
Q6:How does the number of turns in the magnetic core winding affect the performance?
A6:For low-frequency interference, it is recommended to use 2-3 turns to increase the equivalent absorption length, while for high-frequency interference, use a single turn or half turn to avoid the impact of distributed capacitance on performance.
Q7:What are the common causes of magnetic core failure?
A7:Material aging, improper installation.
Q8:What are the prices of your products?
A8:Product prices vary depending on the model, specifications, and quantity. Please consult the sales team or check the official website for details.
Q9:What after-sales services do you provide?
A9:We provide comprehensive after-sales services, including product consultation, technical guidance, installation and commissioning, repair and replacement, and warranty.
Q10:How can I contact your technical support?
A10:Technical support can be contacted through the official website, customer service hotline, or email.
Get a quote
+86-13819777367
Sales@haipart.com
To meet the electromagnetic compatibility requirements of 2P 30mA leakage current protectors, HAIPART utilizes a multi-layer nanocrystalline ribbon (μi = 15k ± 5%) and ferrite composite structure, achieving an impedance of ≥ 1.8kΩ in the 150kHz-30MHz frequency band and an insertion loss of -42dB at 10MHz. A vacuum hot-pressing process ensures the lamination accuracy of the ultra-thin ribbon to 0.05mm, and epoxy resin vacuum impregnation ensures the product passes the 10V/m radio frequency interference test according to the IEC 61000-4-6 standard. HAIPART's unique annular gradient magnetic permeability design effectively balances 30mA weak signal detection sensitivity with 200A transient surge immunity. With an operating temperature range of -40°C to 125°C, the magnetic performance fluctuation rate is less than 3%, providing an EMI protection solution for miniature circuit breakers that complies with the GB/T 16916.1-2014 standard.
Applications
Suitable for smart terminal devices, communication infrastructure, automotive electronic systems, and other fields
FAQ
Q1:What is the main function of a magnetic core?
A1:Suppressing high-frequency electromagnetic interference (EMI) improves the electromagnetic compatibility (EMC) of wire systems by converting high-frequency noise into heat energy dissipation.
Q2:What is the working principle of a magnetic core?
A2:At low frequencies, the impedance is low, while at high frequencies, the impedance increases sharply, forming a "reflection-absorption" mechanism for noise.
Q3:How to choose magnetic core materials?
A3:Select impedance matching materials based on the interference frequency; for high-frequency noise, nickel-zinc ferrite is preferred.
Q4:How to match the core size?
A4:The inner diameter needs to be compatible with the outer diameter of the wire. The longer the length, the better the filtering effect, but the installation space needs to be considered.
Q5:What are the requirements for the installation location of the magnetic core?
A5:Stay close to the source of interference and avoid being far from the noise emission point.
Q6:How does the number of turns in the magnetic core winding affect the performance?
A6:For low-frequency interference, it is recommended to use 2-3 turns to increase the equivalent absorption length, while for high-frequency interference, use a single turn or half turn to avoid the impact of distributed capacitance on performance.
Q7:What are the common causes of magnetic core failure?
A7:Material aging, improper installation.
Q8:What are the prices of your products?
A8:Product prices vary depending on the model, specifications, and quantity. Please consult the sales team or check the official website for details.
Q9:What after-sales services do you provide?
A9:We provide comprehensive after-sales services, including product consultation, technical guidance, installation and commissioning, repair and replacement, and warranty.
Q10:How can I contact your technical support?
A10:Technical support can be contacted through the official website, customer service hotline, or email.
Get a quote
+86-13819777367
Sales@haipart.com
