The Jarvis JJ Silent Linear Switch is a custom mechanical switch designed by JamesDonkey and What The JARVIS, combining whisper-quiet performance with smooth, responsive actuation.
Built for those who prefer a soft touch and minimal sound, the switch features a 47g actuation force and a total travel of 4.0mm. Its 18mm extended spring provides responsive rebound and consistent feel, while the dual-color POM + silicone stem delivers a clean linear motion without scratchiness.
Each switch is factory-lubed with Japan-imported PTFE-based PR03 lubricant, ensuring long-lasting smoothness and stable sound performance. Designed for 3-pin MX-compatible hot-swap boards, it’s ideal for custom mechanical keyboard builds focused on silent operation and tactile control.
Key Features
Silent Linear Performance
Optimized for quiet, smooth keypresses with silicone stem damping.
Actuation & Travel
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Initial Force: 47g ± 10g
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Bottom-Out Force: 55g ± 10g
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Actuation Travel: 2.0mm ± 0.4mm
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Total Travel: 4.0mm ± 0.4mm
Premium Materials
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Top Housing: Durable POK
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Bottom Housing: Nylon PA66
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Stem: POM + Silicone dual-color stem
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Spring: 18mm single-stage extended for consistent return
Factory Lubrication
Pre-lubed with stable, nano-grade PTFE-based PR03 lubricant from Japan.
Enhanced Lifespan
Anti-oxidation contact points and high-quality build rated for 80 million keystrokes.
Refined for quiet precision, the Jarvis JJ Switch blends tactile clarity with silent comfort for your perfect mechanical keyboard experience.
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