MMD Princess Ultra Tactile Switches

The MMD Princess Ultra Tactile is a medium-to-heavy tactile mechanical switch suited for users who want noticeable feedback with a rounded bump. It fits typists and gamers who prefer a tactile response without sharp clicks, and those seeking a quieter, thockier sound profile. The switch includes features aimed at reducing stem wobble and improving LED illumination, making it a solid choice for builds emphasizing stability and lighting effects.

Feel & Sound

• Provides a medium-to-heavy tactile bump that is rounded, offering clear feedback without harshness.
• Produces a deeper "thock" sound due to the nylon bottom housing, which dampens high-pitched clicks.
• Factory lubrication reduces scratchiness and smooths keypresses, contributing to a consistent feel.

Actuation Characteristics

• Requires moderate force to actuate, balancing deliberate keypresses with fatigue reduction.
• Pre-travel distance allows for confident activation without accidental presses.
• Total travel and bottom-out force provide a solid, cushioned bottom-out experience.

Build Quality

• Uses a polycarbonate top housing and nylon (PA66) bottom housing, enhancing durability and sound profile.
• Stem made from LY material, designed for smooth movement and reduced wobble.
• Includes a single-stage spring optimized for tactile response.
• Five-pin design ensures stable mounting on compatible PCBs and plates.

Compatibility & Lighting

• Equipped with an LED diffuser in the bottom housing, improving backlight brightness and evenness.
• Five-pin configuration supports secure mounting but may be less compatible with some hot-swap sockets designed for three-pin switches.

Trade-offs

• Medium-to-heavy tactility may cause finger fatigue during long typing sessions for some users.
• While factory lubing reduces scratchiness, additional lubrication or filming could further improve smoothness, but this is user-dependent.
• Stem wobble is reduced but not eliminated, which might be noticeable in very sensitive builds.

Use Cases

• Well suited for typists who want tactile feedback without sharp clicks or loud noise.
• Good for gamers who prefer tactile confirmation with a quieter sound profile.
• Less ideal for users seeking linear or clicky switches or those sensitive to heavier actuation force.