MMD Vivian Switch Switches

The MMD Vivian Switch delivers a smooth, quiet, and visually elegant typing experience, ideal for pastel-themed keyboards and everyday use. Manufactured by Meirun Mechanical Design (MMD), this linear switch features a pink nylon housing and translucent POM stem, pre-lubed at the factory for minimal friction and a buttery-smooth keystroke.

Available in four spring weights, the Vivian Switch offers a range of feels—from feather-light to more substantial—making it perfect for typists and gamers who want soft aesthetics with custom mechanical precision.

• Switch Type: Linear

• Manufacturer: Meirun Mechanical Design (MMD)

• Spring Weight Options & Force Ratings:

  • 35g variant – Actuation Force: 28gf ± 5gf / Bottom-Out Force: 33gf ± 5gf

  • 45g variant – Actuation Force: 35gf ± 5gf / Bottom-Out Force: 40gf ± 5gf

  • 55g variant – Actuation Force: 43gf ± 5gf / Bottom-Out Force: 48gf ± 5gf

  • 62g variant – Actuation Force: 53gf ± 5gf / Bottom-Out Force: 48gf ± 5gf

• Top Housing Material: Nylon

• Bottom Housing Material: Nylon

• Stem Material: POM (translucent pink)

• Pre-Travel Distance: ~2.0mm

• Total Travel Distance: ~3.7mm

• Mounting Style: 5-pin (PCB mount) – suitable for most hot-swap and soldered builds

• Sound Profile: Soft and low-pitched – ideal for quiet environments

• Feel: Smooth and consistent thanks to factory lubrication