SwitchIn stock
BSUN Usagi/537 Linear Switch
The BSUN Usagi/537 linear switch boasts a clacky sound profile and smooth typing feel thanks to BSUN's improved molds, modified materials, and enhanced factory lubrication. It's in-stock and available at Unikeys.
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29 Aug 2024
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BSUN Usagi/537 Linear Switch
Group Buy Info
Posted byDashanYYY
Published29 Aug 2024
Last Updated05 Jan 2026
StatusIn stock
Start Date29 Aug 2024
End Date—
Est. Shipping—
ManufacturerBSUN
MOQ—
Project Specs
NameBSUN Usagi/537 Linear Switch
Release year2023
Switch typeLinear
Actuation force45±5g
Bottom out force51g±5g
Pre travel1.9mm±0.2mm
Total travel3.6±0.2mm
Pins
Top Housing MaterialPC
Bottom Housing MaterialModified PA66 with fiberglass
Stem MaterialY3
Sound profileClacky or poppy
Spring type20mm KOS Single-Stage extended spring
Weight
Factory lubedtrue
Magnetic Hall Effectfalse
Double stagefalse
Long poletrue
Dust prooffalse
Water resistantfalse