SlimStack floating connectors increase reliability

9th July 2019
Alex Lynn

Molex has launched two new sizes of the SlimStack Floating Board-to-Board Connectors, 0.40mm and 1.25mm. Designed to save space and prevent fretting corrosion and provide superior contact reliability to other options in the market, the easy assembly also allow for design flexibility.


The B-to-B connectors are made for the automotive, industrial, and consumer applications markets which require a large floating range and high-speed transmission.

The SlimStack 0.40mm Floating Board-to-Board Connectors feature a low halogen housing material, a ±0.50mm floating range that eases misalignment worries by facilitating automatic assembly, a soft floating force, temperature support up to 125 degrees Celsius, and a high-speed transmission rate of 6 Gbps.

The 1.25mm pitch SlimStack Floating Board-to-Board Connectors features a spring design that stops fretting corrosion, increases contact reliability, and is vibration resistant. The wide floating range—in three different directions—reduces the PWB gap and facilitates assembly, even in misalignment and blind joining situations. There’s also an improved contact design and a soft floating force.

“Our new connectors are a step above the rest, allowing for easy assembly, reliability in challenging environments, and reduced impacts from shock and vibration,” said Kenji Miyahara, global product manager, Molex. “Plus, because assembly is automatic, it reduces customers’ time to market and saves labour costs.”

Customers in the automotive field will benefit from this connector large floating range and high-vibration resistance, making it a desirable option for car column switches. Thanks to the large floating range, it can mitigate mating errors during automatic assembly and support mass production.

Compared to similar connectors in the market right now, the SlimStack Floating Board-to-Board Connectors have a smaller width and height, ten circuits, a 125V voltage rating, a 1.0A current rating and ten-cycle durability.

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