Outemu Butterfly Silent Linear Switch
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The Outemu Butterfly Silent Linear Switch is a low-noise, linear switch option, ideal for use in keyboards where a quiet typing action is desired – for example, in an office environment or as a late-night setup. Thanks to the combination of a POM/TPU stem, transparent polycarbonate housing, and factory lubrication, the switch delivers a smooth actuation experience with significantly reduced noise.
Technical specifications
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Type: Silent Linear (linear stroke without tactile bump, with noise damping)
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Connector: 5-pin (PCB mounting, MX-style cross connector)
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Housing material: Top housing and bottom housing made of hardened polycarbonate (PC)
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Stem material: POM + TPU (flexible damping elements)
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Pre-travel (trigger travel): approx. 2.0 mm
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Total Travel: approx. 3.7 mm
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Operating force: approx. 37 gf (±5 gf)
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Bottom-Out Force: approx. 42 gf Max
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Factory lubrication: Yes
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Special features: Special "silent" construction with TPU cushioning, optimized for low noise when pressed.