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  5. Other Connectors
  6. 0.4mm pitch ultra-fine coaxial cable connector USLS series

0.4mm pitch ultra-fine coaxial cable connector USLS series

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USLS Series

last updated:Jun 29, 2026

KEL
KEL
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Ultra-fine coaxial cable compatible 0.4mm pitch press-fit connector (stacked mounting type) USLS series

The USLS series is a stackable connection type of the "USL series" crimp connector compatible with ultra-fine coaxial cables with a 0.4mm pitch. In mobile phones and other devices, the density of circuit boards has increased, making it difficult to mount connectors at the edges of the boards. This product ensures an effective mating length of 0.35mm and achieves a low profile with a stack height of 1.65mm. It features a structure that is resistant to misalignment, which has been a challenge for stack-mounted types. The stackable design also excels in workability during mating. It is available in 20 and 30 contacts. A significant feature of this product is that it is lead-free and utilizes a no-solder connection with a bulk crimp type. By offering a stackable type, it can accommodate combinations of one side straight and one side right angle. Additionally, it allows for cable routing through hinges in mobile phones (φ4.0mm).

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USLS.jpg

0.4mm pitch ultra-fine coaxial cable connector USLS series

USLS.jpg
USLS.jpg
  • Related Link - https://www.kel.jp/product/product_detail/id=400
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The USLS series is a stackable connection type of the "USL series" crimp connector compatible with ultra-fine coaxial cables with a 0.4mm pitch. In mobile phones and other devices, the density of circuit boards has increased, making it difficult to mount connectors at the edge of the board. This product ensures an effective mating length of 0.35mm and achieves a low profile with a stack height of 1.65mm. It features a structure that is resistant to misalignment, which has been a challenge for stack-mounted types. The stackable design also enhances workability during mating. The number of contacts available is 20 and 30. A significant feature of this product is that it is lead-free and utilizes a no-solder connection with a bulk crimp type. By offering a stack type, it can accommodate combinations of one side straight and one side right angle. Additionally, it allows for cable routing through hinges in mobile phones (φ4.0mm).

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0.4mm pitch ultra-fine coaxial cable connector USLS series

0.4mm pitch ultra-fine coaxial cable connector USLS series

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0.55mm pitch high-performance coaxial harness TSL series

0.55mm pitch high-performance coaxial harness TSL series

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Company information

KEL

KEL

Electronic Components and Semiconductors

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Since its founding, KEL has been a dedicated manufacturer of industrial connectors. This history is one of continuously pursuing excellent connection reliability and high functionality as electronic devices have become smaller and more advanced. What KEL values most is dialogue with customers. Through close communication, we clarify the needs that customers must address and the demands that connect to the next generation. Furthermore, by independently engaging in R&D activities, we at KEL have consistently provided products that are one step ahead. For the brilliant future that electronics will create, KEL will continue to deliver cutting-edge technology proposals and high-functionality products in the field of connection technology. KEL responds to the rapidly advancing technology and market environment with creativity. We hope you will continue to expect our advanced capabilities and responsiveness.

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