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HMX Retro FJ400 Switch

$17.32
Incl. VAT • 2-year InputGear warranty - 24-hour shipping
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The HMX FJ400 from HMX's Retro Film Collection is a linear switch with a balanced typing feel and a pleasant, mid-range sound profile. It's particularly well-suited for builds where both typing comfort and sound quality are paramount—for example, in the custom keyboard field. With pre-lubricated components and solid materials, it offers a ready-to-use solution for discerning users.

Technical specifications:

  • Type: Linear (without tactile bump or click mechanism)

  • Operating force: approx. 50 gf ± 2 gf

  • Bottom-out force: approx. 58 gf ± 2 gf

  • Pre-travel: approx. 2.0 mm

  • Total Travel: approx. 3.8 mm ± 0.2 mm

  • Mounting format: 5-pin MX style (PCB mount)

  • Housing material: Top housing polycarbonate (PC); Bottom housing P2 material

  • Stem material: T2 material

  • Spring: 22mm single stage spring

  • Factory lubricated: Yes