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Ten low-profile mechanical switches in a row, ultra-slim housings, three pins visible, 2.75 mm travel

YINGHUA

YINGHUA KS-27 Low Profile Switches 10PCS Red Blue Brown 3pin 2.75mm

SKU CH-ERMF-STV0B

Ten ultra-slim mechanical switches with 2.75 mm travel and gold-plated pins for low-profile keyboards

  • Low profile 2.75 mm stroke saves desk space
  • Three click-feel options tailor typing preference
  • 10-piece set covers a compact 60 % layout
  • Gold-plated 5-pin contacts ensure reliable connection
  • Quick rebound actuation boosts response speed

Low-Profile Switch Compatibility

These KS-27 switches are built for ultra-slim mechanical keyboards such as the Air75 and Air60. They use a low-profile form factor that does not fit standard MX-style sockets. Each pack contains ten switches in a choice of Red, Blue or Brown variants.

Build Integration Requirements

The switches mount on PCBs designed for 5-pin low-profile footprints, so they free up vertical space inside thin cases. Builders must confirm their board supports this specific pin layout and 2.75 mm total stroke, because conventional MX plates and hot-swap sockets will not accept them.

Actuation Feel and Limits

Red switches actuate around 50 g, Blue around 52 g and Brown around 55 g, all with a short 2.75 mm travel and quick rebound. The light forces suit fast typing but may feel too light for users who prefer heavier bottom-out resistance or longer key travel.

Highlights

  • Low profile 2.75 mm stroke saves desk space
  • Three click-feel options tailor typing preference
  • 10-piece set covers a compact 60 % layout
  • Gold-plated 5-pin contacts ensure reliable connection
  • Quick rebound actuation boosts response speed

Specifications

No published specifications for this item yet.

Questions about this item

How far does the KS-27 travel before bottom-out during long typing sessions?

Each KS-27 switch has a total stroke of approximately 2.75 mm, so that is the maximum distance the stem travels under sustained use.

Do the gold-plated pins or the ultra-slim housing generate noticeable heat or noise when the keyboard runs all day?

The switches are passive mechanical components with no electronics, so they produce no heat and no audible noise beyond the normal click or thock of the chosen variant.

Which keyboard PCBs accept these 5-pin low-profile switches without modification?

They are designed for boards such as the Air75 and Air60 that use a compatible low-profile 5-pin footprint; standard MX-style PCBs will not accept them.

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