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What causes cracking in monolithic inductor cores?

What causes cracking in the magnetic core of a monolithic inductor? Inductors are used in most electronic devices today. Only with an inductor can electronic equipment avoid being easily damaged by current‑related issues. As the inductor industry continues to evolve, driven by advances in manufacturing technology and product R&D, inductor products are constantly being upgraded. Monolithic inductors represent a newer generation of these upgraded components, with applications that are quite widespread. Many people have likely encountered the problem of cracking in monolithic inductors. Such cracking is influenced by factors related to the powder material and the manufacturing process, as well as by the outer diameter of the coil. So, what exactly causes cracking in the magnetic core of a monolithic inductor?

10

06

2022

What is a monolithic inductor? What are its advantages and applications?

The monolithic inductor comprises two components: the substrate and the winding assembly. The substrate is a molded alloy‑powder part, while the winding consists of enameled wire coils interconnected with oxidation‑resistant metal terminals. The winding assembly is embedded within the alloy powder and formed by die‑casting using an integrated molding machine. The SMD leads are made of oxidation‑resistant metal terminals, and the lead-out pins of the winding are directly formed on the substrate surface, resulting in higher inductance and lower leakage inductance compared with conventional inductors. This inductor features an SMD‑style design that minimizes damage to the component and enhances manufacturing efficiency.

19

05

2022

What are the differences between integrated‑molded inductors and conventional inductors?

As inductor components evolve toward lower voltages, higher DC‑bias resistance, superior temperature stability, and miniaturization and thin‑profile designs, conventional soft magnetic ferrite materials can no longer meet these stringent requirements. Consequently, monolithic molded inductors have emerged as a key player, firmly establishing themselves as an essential member of the inductor family.

14

05

2022

What are the advantages of monolithic inductors?

As inductor devices evolve toward lower voltages, higher DC‑bias resistance, superior temperature stability, miniaturization, and thinner profiles, conventional soft magnetic ferrite materials can no longer meet these stringent requirements. Consequently, monolithic molded inductors have emerged as a key player, firmly establishing themselves as an essential member of the inductor family.

11

05

2022

Anti-epidemic supplies, charitable donations

Standing together through thick and thin, we are united in fighting the pandemic. Our company is fully committed to supporting the anti‑epidemic effort and doing our part.

07

05

2022

Introduction to Integrated Molded Inductors

The integrally molded inductor (molded choke) comprises a base and a winding body, with the base formed by metal magnetic powder die‑casting that encases the winding. The SMD leads are directly formed on the base as lead terminals for the winding. Compared with conventional inductors, this utility model offers higher inductance and lower leakage inductance; its design is tailored to surface‑mount inductor structures, preventing damage to the component and enhancing production efficiency.

08

03

2022

Tongyou Intelligence has secured tens of millions of yuan in Series A funding, overcoming the critical bottleneck in the high-end power inductor industry.

On March 1, Tongyou Intelligent Equipment (Jiangsu) Co., Ltd. (referred to as “Tongyou Intelligent”) announced that it has recently closed a Series A funding round totaling tens of millions of yuan, co-led by Nanjing Innovation Investment Group and Anrui Capital.

07

03

2022

Global and China Inductor Industry Production, Sales, and Demand Analysis Report, 2020–2024

Since 2000, China has been the world’s largest producer of neodymium‑iron‑boron (NdFeB) permanent magnetic materials. Driven by the expansion of downstream applications, China’s NdFeB production has maintained robust growth. Over the decade from 2010 to 2019, output increased by 118%, with an average annual compound growth rate of 9.06%, reaching 190,000 tonnes in 2020.

11

01

2022

Though sifting and winnowing may be arduous, only after blowing away the wild sands does one finally reach gold—Tongyou Intelligent Equipment makes a dazzling debut on the market.

Tongyou Intelligent Equipment (Jiangsu) Co., Ltd. was established in 2017. Over the past four years, the company has brought together the industry’s most skilled technical experts and integrated cutting-edge research from top-tier universities, focusing on developing PIM (T-core) monolithic inductors and providing a comprehensive end-to-end solution spanning materials, processes, and equipment. Our R&D team comprises 18 members, including one postdoctoral researcher, one PhD holder, one master’s degree holder, and ten individuals with at least a bachelor’s degree.

22

11

2021

Secretary Guan Fengliang paid a visit to Huacui Weigandian Electronics (Jiangsu) Co., Ltd.

On the afternoon of February 22, 2021, Guan Fengliang, Member of the Standing Committee of Kunshan Municipal Party Committee, Secretary of the Party Working Committee and Director of the Management Committee of Kunshan High-tech Zone, together with Shen Yue, Member of the District Party Working Committee and Deputy Director of the Management Committee, led a delegation comprising top leaders from the New Area Economic Development Bureau, the Science and Technology Bureau, Kunshan High-tech Group, and other departments, to visit and conduct an inspection at Huacui Weigang Electronics (Jiangsu) Co., Ltd. Emphasizing the pursuit of quality to build an industry‑leading brand, Secretary Guan Fengliang gained a thorough understanding of Huacui Weigang’s founding process, its R&D capabilities, corporate development plans, and progress in capital increases and capacity expansion. He expressed encouragement for the company’s focus on passive components in the semiconductor field—PIM micro‑integrated molded inductors—and commended its efforts in developing PIM micro‑integrated molded inductors from…

22

11

2021

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2022-06-10

What causes cracking in monolithic inductor cores?

What causes cracking in the magnetic core of a monolithic inductor? Inductors are used in most electronic devices today. Only with an inductor can electronic equipment avoid being easily damaged by current‑related issues. As the inductor industry continues to evolve, driven by advances in manufacturing technology and product R&D, inductor products are constantly being upgraded. Monolithic inductors represent a newer generation of these upgraded components, with applications that are quite widespread. Many people have likely encountered the problem of cracking in monolithic inductors. Such cracking is influenced by factors related to the powder material and the manufacturing process, as well as by the outer diameter of the coil. So, what exactly causes cracking in the magnetic core of a monolithic inductor?

Learn more >>

2022-05-19

What is a monolithic inductor? What are its advantages and applications?

The monolithic inductor comprises two components: the substrate and the winding assembly. The substrate is a molded alloy‑powder part, while the winding consists of enameled wire coils interconnected with oxidation‑resistant metal terminals. The winding assembly is embedded within the alloy powder and formed by die‑casting using an integrated molding machine. The SMD leads are made of oxidation‑resistant metal terminals, and the lead-out pins of the winding are directly formed on the substrate surface, resulting in higher inductance and lower leakage inductance compared with conventional inductors. This inductor features an SMD‑style design that minimizes damage to the component and enhances manufacturing efficiency.

Learn more >>

What are the differences between integrated‑molded inductors and conventional inductors?

2022-05-14

What are the differences between integrated‑molded inductors and conventional inductors?

As inductor components evolve toward lower voltages, higher DC‑bias resistance, superior temperature stability, and miniaturization and thin‑profile designs, conventional soft magnetic ferrite materials can no longer meet these stringent requirements. Consequently, monolithic molded inductors have emerged as a key player, firmly establishing themselves as an essential member of the inductor family.

Learn more >>

What are the advantages of monolithic inductors?

2022-05-11

What are the advantages of monolithic inductors?

As inductor devices evolve toward lower voltages, higher DC‑bias resistance, superior temperature stability, miniaturization, and thinner profiles, conventional soft magnetic ferrite materials can no longer meet these stringent requirements. Consequently, monolithic molded inductors have emerged as a key player, firmly establishing themselves as an essential member of the inductor family.

Learn more >>

Anti-epidemic supplies, charitable donations

2022-05-07

Anti-epidemic supplies, charitable donations

Standing together through thick and thin, we are united in fighting the pandemic. Our company is fully committed to supporting the anti‑epidemic effort and doing our part.

Learn more >>

2022-03-08

Introduction to Integrated Molded Inductors

The integrally molded inductor (molded choke) comprises a base and a winding body, with the base formed by metal magnetic powder die‑casting that encases the winding. The SMD leads are directly formed on the base as lead terminals for the winding. Compared with conventional inductors, this utility model offers higher inductance and lower leakage inductance; its design is tailored to surface‑mount inductor structures, preventing damage to the component and enhancing production efficiency.

Learn more >>

2022-03-07

Tongyou Intelligence has secured tens of millions of yuan in Series A funding, overcoming the critical bottleneck in the high-end power inductor industry.

On March 1, Tongyou Intelligent Equipment (Jiangsu) Co., Ltd. (referred to as “Tongyou Intelligent”) announced that it has recently closed a Series A funding round totaling tens of millions of yuan, co-led by Nanjing Innovation Investment Group and Anrui Capital.

Learn more >>

Global and China Inductor Industry Production, Sales, and Demand Analysis Report, 2020–2024

2022-01-11

Global and China Inductor Industry Production, Sales, and Demand Analysis Report, 2020–2024

Since 2000, China has been the world’s largest producer of neodymium‑iron‑boron (NdFeB) permanent magnetic materials. Driven by the expansion of downstream applications, China’s NdFeB production has maintained robust growth. Over the decade from 2010 to 2019, output increased by 118%, with an average annual compound growth rate of 9.06%, reaching 190,000 tonnes in 2020.

Learn more >>

Though sifting and winnowing may be arduous, only after blowing away the wild sands does one finally reach gold—Tongyou Intelligent Equipment makes a dazzling debut on the market.

2021-11-22

Though sifting and winnowing may be arduous, only after blowing away the wild sands does one finally reach gold—Tongyou Intelligent Equipment makes a dazzling debut on the market.

Tongyou Intelligent Equipment (Jiangsu) Co., Ltd. was established in 2017. Over the past four years, the company has brought together the industry’s most skilled technical experts and integrated cutting-edge research from top-tier universities, focusing on developing PIM (T-core) monolithic inductors and providing a comprehensive end-to-end solution spanning materials, processes, and equipment. Our R&D team comprises 18 members, including one postdoctoral researcher, one PhD holder, one master’s degree holder, and ten individuals with at least a bachelor’s degree.

Learn more >>

Secretary Guan Fengliang paid a visit to Huacui Weigandian Electronics (Jiangsu) Co., Ltd.

2021-11-22

Secretary Guan Fengliang paid a visit to Huacui Weigandian Electronics (Jiangsu) Co., Ltd.

On the afternoon of February 22, 2021, Guan Fengliang, Member of the Standing Committee of Kunshan Municipal Party Committee, Secretary of the Party Working Committee and Director of the Management Committee of Kunshan High-tech Zone, together with Shen Yue, Member of the District Party Working Committee and Deputy Director of the Management Committee, led a delegation comprising top leaders from the New Area Economic Development Bureau, the Science and Technology Bureau, Kunshan High-tech Group, and other departments, to visit and conduct an inspection at Huacui Weigang Electronics (Jiangsu) Co., Ltd. Emphasizing the pursuit of quality to build an industry‑leading brand, Secretary Guan Fengliang gained a thorough understanding of Huacui Weigang’s founding process, its R&D capabilities, corporate development plans, and progress in capital increases and capacity expansion. He expressed encouragement for the company’s focus on passive components in the semiconductor field—PIM micro‑integrated molded inductors—and commended its efforts in developing PIM micro‑integrated molded inductors from…

Learn more >>

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