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Dynamic Center

Good News! Tongyou has been recognized as a 2023 Provincial-Level Specialized, Sophisticated, and Novel Small and Medium-sized Enterprise.

Professionalization, refinement, distinctiveness, and innovation

23

12

2023

Zhai Gang, Director of the Sichuan Provincial Department of Economy and Information Technology, led a delegation to Tongyou Microelectronics (Sichuan) Co., Ltd. for research and guidance.

On the morning of December 13, a delegation including Zhai Gang, Director of the Sichuan Provincial Department of Economy and Information Technology; Zhou Haiqi, Secretary of the Party Committee of the Department; He Ping, Secretary of the CPC Bazhong Municipal Committee; and Li Yufu, Secretary of the Tongjiang County CPC Committee, paid a visit to Tongyou Microelectronics (Sichuan) to conduct research and provide guidance. Zhou Sheng, Chairman of Tongyou Group and General Manager of Tongyou Microelectronics, warmly welcomed the distinguished guests.

13

12

2023

Tongyou Group’s integrated‑mold inductor manufacturing equipment and its full product lineup wowed visitors at the Shenzhen High‑Tech Fair, drawing an exceptionally enthusiastic crowd.

At the recently held China Hi-Tech Fair in Shenzhen, which opened on November 15, Tongyou Group wowed the audience with its state-of-the-art integrated‑molding inductor manufacturing equipment and a comprehensive product lineup, earning widespread acclaim from both visitors and industry professionals. On November 18, the event’s momentum reached an even higher peak, as Tongyou Group’s offerings received an unprecedentedly enthusiastic reception.

18

11

2023

Why are there two ratings for the rated current of power inductors?

The rated current of power inductors is determined by two methods: the “rated current based on self‑heating, Irms,” and the “rated current based on the rate of change of inductance, Isat,” each of which carries significant importance. The “rated current based on self‑heating, Irms,” specifies the maximum allowable current according to the component’s heat generation; exceeding this limit may result in component damage or system failure.

14

08

2023

Wang Yi, Director of the Sichuan Provincial Employment Service Administration, paid a visit to Tongyou Microelectronics to conduct an inspection and provide guidance.

On July 26, Wang Yi, Director of the Sichuan Provincial Employment Service Administration, along with his delegation, paid a visit to Tongyou Group’s 2.5-billion-yuan inductor production base for inspection and guidance, accompanied by city leaders including Zhao Jianren, Vice Mayor of Bazhong; Shi Yongquan, Deputy Secretary-General of the Bazhong Municipal Government; and Zhang Yuming, Party Secretary and Director of the Bazhong Municipal Bureau of Human Resources and Social Security.

28

07

2023

Academician Wang Enguo of the Chinese Academy of Sciences visited Tongyou for inspection and guidance.

Zhou Sheng, Chairman of Tongyou Group, warmly welcomed Academician Wang and his delegation. During the symposium, Chairman Zhou outlined Tongyou’s development journey, its current scale, and its future growth plans. Academician Wang expressed strong approval of Tongyou’s corporate philosophy of continuous innovation and focused excellence, while expressing surprise at the company’s rapid pace of development. He also highly commended Tongyou’s corporate culture, which is characterized by “confidence, craftsmanship, and a sense of responsibility.”

26

05

2023

Monolithic inductors effectively enhance the performance of electronic products.

An integrated‑molded inductor is a type of packaged inductor that has been optimized through design improvements. It features a toroidal soft magnetic core with a steel insert, coated with an insulating layer, and then formed via high‑pressure molding. This process integrates the inductor and the insulating material into a single, monolithic structure, resulting in a fully encapsulated electronic component.

11

05

2023

2016 monolithic inductor specifications, test conditions

2016‑specification monolithic micro‑inductor Monolithic Inductor Test Notes Note 1: All test data are referenced to an ambient temperature of 25°C. Note 2: Test conditions: 1 MHz, 1.0 Vrms.

08

05

2023

2520 Integrated Molded Inductor Specifications

2520 Monolithic Inductor Specifications The 2520 monolithic inductor is a commonly used package size, available in two variants: 252010 and 252012. It offers a full range of inductance values, DCRs, and saturation currents.

08

05

2023

Definition and Variation of the Saturation Current of Monolithic Inductors

Definition of the Saturation Current for Monolithic Inductors Here, the saturation current refers to the current at which the inductance L decreases by 30% due to magnetic saturation; this current is determined under an applied DC bias. Relationship Between Saturation and Hs in Monolithic Inductors In the initial portion of the powdered‑material magnetization curve, the permeability μ remains relatively stable, and the inductance L varies only slightly with changes in the applied magnetic field strength. In the latter portion, however, the permeability μ increases significantly, causing the inductance L to vary more markedly with changes in the applied magnetic field strength.

08

05

2023

Reliability Testing of Inductance Values for Monolithic Inductors

Inductance is the ratio of the magnetic flux linked with a conductor to the current that produces that flux, when an alternating current flows through the conductor and generates an alternating magnetic field both within the conductor and in the surrounding space.

27

04

2023

Methods for eliminating inductor acoustic noise, monolithic molded inductors

Methods for Eliminating Inductor Whine 1pim Integrated Molded Inductors and Wound Chip Inductors Causes of Inductor Whine At its core, sound is a type of noise caused by vibration.

24

04

2023

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2023-12-23

Good News! Tongyou has been recognized as a 2023 Provincial-Level Specialized, Sophisticated, and Novel Small and Medium-sized Enterprise.

Professionalization, refinement, distinctiveness, and innovation

Learn more >>

Zhai Gang, Director of the Sichuan Provincial Department of Economy and Information Technology, led a delegation to Tongyou Microelectronics (Sichuan) Co., Ltd. for research and guidance.

2023-12-13

Zhai Gang, Director of the Sichuan Provincial Department of Economy and Information Technology, led a delegation to Tongyou Microelectronics (Sichuan) Co., Ltd. for research and guidance.

On the morning of December 13, a delegation including Zhai Gang, Director of the Sichuan Provincial Department of Economy and Information Technology; Zhou Haiqi, Secretary of the Party Committee of the Department; He Ping, Secretary of the CPC Bazhong Municipal Committee; and Li Yufu, Secretary of the Tongjiang County CPC Committee, paid a visit to Tongyou Microelectronics (Sichuan) to conduct research and provide guidance. Zhou Sheng, Chairman of Tongyou Group and General Manager of Tongyou Microelectronics, warmly welcomed the distinguished guests.

Learn more >>

Tongyou Group’s integrated‑mold inductor manufacturing equipment and its full product lineup wowed visitors at the Shenzhen High‑Tech Fair, drawing an exceptionally enthusiastic crowd.

2023-11-18

Tongyou Group’s integrated‑mold inductor manufacturing equipment and its full product lineup wowed visitors at the Shenzhen High‑Tech Fair, drawing an exceptionally enthusiastic crowd.

At the recently held China Hi-Tech Fair in Shenzhen, which opened on November 15, Tongyou Group wowed the audience with its state-of-the-art integrated‑molding inductor manufacturing equipment and a comprehensive product lineup, earning widespread acclaim from both visitors and industry professionals. On November 18, the event’s momentum reached an even higher peak, as Tongyou Group’s offerings received an unprecedentedly enthusiastic reception.

Learn more >>

Why are there two ratings for the rated current of power inductors?

2023-08-14

Why are there two ratings for the rated current of power inductors?

The rated current of power inductors is determined by two methods: the “rated current based on self‑heating, Irms,” and the “rated current based on the rate of change of inductance, Isat,” each of which carries significant importance. The “rated current based on self‑heating, Irms,” specifies the maximum allowable current according to the component’s heat generation; exceeding this limit may result in component damage or system failure.

Learn more >>

Wang Yi, Director of the Sichuan Provincial Employment Service Administration, paid a visit to Tongyou Microelectronics to conduct an inspection and provide guidance.

2023-07-28

Wang Yi, Director of the Sichuan Provincial Employment Service Administration, paid a visit to Tongyou Microelectronics to conduct an inspection and provide guidance.

On July 26, Wang Yi, Director of the Sichuan Provincial Employment Service Administration, along with his delegation, paid a visit to Tongyou Group’s 2.5-billion-yuan inductor production base for inspection and guidance, accompanied by city leaders including Zhao Jianren, Vice Mayor of Bazhong; Shi Yongquan, Deputy Secretary-General of the Bazhong Municipal Government; and Zhang Yuming, Party Secretary and Director of the Bazhong Municipal Bureau of Human Resources and Social Security.

Learn more >>

2023-05-26

Academician Wang Enguo of the Chinese Academy of Sciences visited Tongyou for inspection and guidance.

Zhou Sheng, Chairman of Tongyou Group, warmly welcomed Academician Wang and his delegation. During the symposium, Chairman Zhou outlined Tongyou’s development journey, its current scale, and its future growth plans. Academician Wang expressed strong approval of Tongyou’s corporate philosophy of continuous innovation and focused excellence, while expressing surprise at the company’s rapid pace of development. He also highly commended Tongyou’s corporate culture, which is characterized by “confidence, craftsmanship, and a sense of responsibility.”

Learn more >>

Monolithic inductors effectively enhance the performance of electronic products.

2023-05-11

Monolithic inductors effectively enhance the performance of electronic products.

An integrated‑molded inductor is a type of packaged inductor that has been optimized through design improvements. It features a toroidal soft magnetic core with a steel insert, coated with an insulating layer, and then formed via high‑pressure molding. This process integrates the inductor and the insulating material into a single, monolithic structure, resulting in a fully encapsulated electronic component.

Learn more >>

2016 monolithic inductor specifications, test conditions

2023-05-08

2016 monolithic inductor specifications, test conditions

2016‑specification monolithic micro‑inductor Monolithic Inductor Test Notes Note 1: All test data are referenced to an ambient temperature of 25°C. Note 2: Test conditions: 1 MHz, 1.0 Vrms.

Learn more >>

2520 Integrated Molded Inductor Specifications

2023-05-08

2520 Integrated Molded Inductor Specifications

2520 Monolithic Inductor Specifications The 2520 monolithic inductor is a commonly used package size, available in two variants: 252010 and 252012. It offers a full range of inductance values, DCRs, and saturation currents.

Learn more >>

Definition and Variation of the Saturation Current of Monolithic Inductors

2023-05-08

Definition and Variation of the Saturation Current of Monolithic Inductors

Definition of the Saturation Current for Monolithic Inductors Here, the saturation current refers to the current at which the inductance L decreases by 30% due to magnetic saturation; this current is determined under an applied DC bias. Relationship Between Saturation and Hs in Monolithic Inductors In the initial portion of the powdered‑material magnetization curve, the permeability μ remains relatively stable, and the inductance L varies only slightly with changes in the applied magnetic field strength. In the latter portion, however, the permeability μ increases significantly, causing the inductance L to vary more markedly with changes in the applied magnetic field strength.

Learn more >>

Reliability Testing of Inductance Values for Monolithic Inductors

2023-04-27

Reliability Testing of Inductance Values for Monolithic Inductors

Inductance is the ratio of the magnetic flux linked with a conductor to the current that produces that flux, when an alternating current flows through the conductor and generates an alternating magnetic field both within the conductor and in the surrounding space.

Learn more >>

Methods for eliminating inductor acoustic noise, monolithic molded inductors

2023-04-24

Methods for eliminating inductor acoustic noise, monolithic molded inductors

Methods for Eliminating Inductor Whine 1pim Integrated Molded Inductors and Wound Chip Inductors Causes of Inductor Whine At its core, sound is a type of noise caused by vibration.

Learn more >>

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