Y-Lock V4:The Smart
Choice for Battery
& Cell Contacting
Looking for a reliable, compact and assembly-friendly board-to-cable solution for battery applications? Meet the Y-Lock V4 from Yamaichi — the next evolution of a connector system that has already proven itself for over 15 years.
Built on the trusted Y-Lock platform, the V4 takes performance to the next level, specifically designed to meet the growing demands of battery and cell contacting systems.
Designed for Speed, Safety and Simplicity
At the heart of the Y-Lock V4 is its one-push locking mechanism, enabling fast and secure connection of FFC or FPC cables. Thanks to its blind-mating capability, installation is intuitive and error-proof — ideal for automated or hard-to-reach assemblies.
A double locking system (side hooks + central lock) ensures maximum connection security, while still allowing easy disconnection when needed.
Built-In Protection You Can Trust
The smart stiffener design does more than just guide the cable:
- Protects contacts during handling and servicing
- Prevents incorrect insertion (no tilting or upside-down mating)
- Reduces risk of short circuits
The result? A safe and consistent connection, every time — with up to 10 mating cycles.
Extra Security with CPA
For applications where reliability is critical, an optional Connector Position Assurance (CPA) feature is available. This adds an extra mechanical lock, ensuring the connector stays securely in place until intentionally released.
Compact Design, Maximum Flexibility
With an ultra-low profile of just 4.5 mm, the Y-Lock V4 is perfectly suited for space-constrained battery designs.
Additional highlights:
- Available in gold or tin plating
- Multiple pitch options: 1.0 / 1.2 / 1.8 / 2.0 mm
- 90° version available
- Compliant with LV214 requirements
Whether you're designing next-gen battery systems or optimizing existing platforms, the Y-Lock V4 delivers the performance, safety and ease-of-use you need.
