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Taimag

Taiwanese manufacturer of network transformers, RJ45 magnetic jacks, and related magnetic components for Ethernet and industrial connectivity.

Last updated September 29, 2026

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Overview

Taimag Corporation is a Taiwanese manufacturer of electronic magnetic components, specializing in network transformers, RJ45 magnetic jacks, common mode chokes, and related connectivity parts. Established in 1977 in Kaohsiung, Taiwan, the company initially designed, manufactured, and sold traditional linear transformers and rectifiers. As computer networking grew, Taimag shifted its focus to network-related components and registered its own brand "Taimag®" in 1996. The company is headquartered in Kaohsiung, a city with convenient transportation and an elegant environment, and operates sales offices or channels for Taiwan, China Mainland, and international markets. Taimag's product portfolio includes Ethernet transformers (filters) for 10/100Base, Gigabit, 2.5G, 5G, and 10G speeds, RJ45 magnetic jacks (connectors), single pair Ethernet (SPE) components, common mode chokes, and other filters such as BALUN and BMS filters. These products are used in a wide range of applications: personal computers, laptops, industrial computers, machine tools (CNC machines), elevator systems, robotics, audio-visual home appliances (TVs, amplifiers, internet radios, refrigerators), network devices (hubs, routers, NAS), cable TV (tuners and cable modems), drones, office equipment (printers, copiers, internet telephones), security equipment (monitors and sensors), and the gaming industry (game machines, accounting hosts, machine control hosts). The company emphasizes quality and environmental management, having obtained ISO9001 and ISO14001 certifications. It also holds various system, patent, and customer certifications. Taimag maintains a conflict minerals policy, stating that it does not support or use minerals from mines related to armed conflicts. With decades of experience in magnetic component design and manufacturing, Taimag serves OEM and ODM customers worldwide, positioning itself as a reliable supplier of network magnetics and connectors.

History

Taimag Corporation was established in 1977 in Kaohsiung, Taiwan. At the beginning, it mainly designed, manufactured, and sold traditional linear transformers and rectifiers. With the rise of computer networks and changes in market demands, Taimag gradually transformed to design and manufacture network-related parts. In 1996, the company registered its own brand "Taimag®". The company is located in Kaohsiung, a city with convenient transportation and an elegant environment. Over the years, Taimag has expanded its product lines to include Ethernet transformers (filters), RJ45 magnetic jacks, single pair Ethernet components, common mode chokes, and other magnetic components. It has obtained ISO9001 and ISO14001 certifications, as well as various system, patent, and customer certifications. The company serves customers in Taiwan, China Mainland, and international markets.

  • 1996

    Registered its own brand "Taimag®" and shifted focus to network-related components.

  • 1977

    Taimag Corporation established in Kaohsiung, Taiwan, designing and manufacturing linear transformers and rectifiers.

Products and positioning

Supplier of network magnetic components and connectors for OEM/ODM customers across computing, industrial, automotive, and consumer electronics.

  • Ethernet Transformer 10/100Base

    Single port, dual port, quad port; PCMCIA 12 & 16 pins; SMT; supports POE; automotive options.

  • Gigabit Ethernet Transformer

    Single port, dual port, quad port; DIP and SMT types; supports POE/POE+/POE++.

  • 2.5G/5G/10G Ethernet Transformer

    SMT package; supports POE/POE+.

  • RJ45 Magnetic Jack

    SMT type, tab up/down, 2xN port, single port with USB, 2.5G-10G, vertical, PoE, 1xN port.

  • Single Pair Ethernet (SPE)

    Enables Ethernet via single wire pair; used in industrial and automotive; follows IEC63171-2 standard.

  • Common Mode Choke

    CMC filter and chip CMC filter.

  • BALUN Filter

    Balun filter for network applications.

  • BMS Filter

    4300VDC Hi-Pot with common mode choke.

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