News Letter has been released(2026.Jan.)!! Into the Space Domain — Three Reasons YOKOWO’s High-Reliability Spring Connectors Are Selected

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Hello, this is YOKOWO.
Today, we’d like to introduce why our spring connectors are attracting attention in the rapidly expanding space industry—along with real-world adoption examples.

[Why Spring Connectors for Space Applications?]

In space, the slightest misalignment can jeopardize an entire mission.
Conventional fixed connectors are susceptible to contact failures caused by launch vibration, thermal cycling, or the lack of maintenance opportunities.

YOKOWO’s spring connectors solve these challenges through:

1. Stable contact force enabled by a pin-and-spring structure
2. Flexibility that absorbs micro‑misalignment
3. Tool‑free mating for modular design and quick replacement

These characteristics deliver long‑term reliability and maintainability required for spaceborne systems.

[Real-World Adoption: Space‑Rated Robotic Arm]

YOKOWO’s spring connectors are used in the “xLink” robotic arm by Motiv Space Systems (USA).

What is xLink?
xLink is a modular robotic arm platform developed for space applications.
Its joints, links, and tools can be reconfigured depending on mission requirements. It is engineered to withstand vacuum environments, extreme temperature changes, and launch vibrations. With its tool‑changer capability, xLink can swap tools such as grippers or data captures directly in space. It is widely regarded as a next‑generation robotic platform for ISAM (In‑Space Assembly & Manufacturing) missions, including assembly, servicing, and manufacturing in orbit.

Connector Integration Points:
Power and signal interfaces on the arm’s joint modules

<Single‑pin 10A power connector>	Model Number: S-J-6016PT10A-1-00-0000 Click HERE for details
<20‑pin signal connector>	Model Number: J-5117W-20-25-0000 Click HERE for details
<20‑pin I/O connector>	Model Number: J-4000W-20-25-0000 Click HERE for details

Why YOKOWO’s Connectors Were Selected:
- Stable and reliable electrical contact
- Robust performance against vibration and thermal variation
- Tool‑free mating ideal for modular robotics
- Compact form factor suitable for restricted installation space

*Permission Notice
This article includes information and images published with permission from Motiv Space Systems, Inc.
Click HERE for details about Motiv Space Systems, Inc.

[Connectors for the ISAM Era]

In‑Space Assembly & Manufacturing (ISAM) applications enables spacecraft assembly, repair and manufacturing in orbit. As this field grows, connectors that offer tool‑free and highly reliable mating will become indispensable.

YOKOWO’s spring connectors are perfectly aligned with these requirements and are expected to serve as a foundational infrastructure component for future space systems.

■Yokowo introduction movie■	■Yokowo Fine Connector Div. introduction movie■
*The above link will direct you to a YouTube site.	*The above link will direct you to a YouTube site.

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Jan, 2026

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