HMX Sonja HC Linear Switches

This linear switch suits users who prefer smooth, consistent keypresses without tactile bumps or clicks. It fits well for typists and gamers seeking a straightforward, quiet keystroke with moderate actuation force. The slightly textured housing adds a unique feel that may appeal to those wanting subtle feedback beyond typical linear switches.

Feel & Sound

• Linear and smooth keypress with no tactile bump or click, supporting fast, uninterrupted typing or gaming.
• Top housing features added texture, creating a mild scratchy sensation that adds character but may not suit users seeking ultra-smooth travel.
• Sound profile is generally quiet, with a soft bottom-out due to nylon housings and factory lubrication.

Actuation Characteristics

• Moderate actuation force of 52g offers a balance between light and heavy keypresses, reducing finger fatigue over long sessions.
• Pretravel of 2.0mm and total travel of 3.9mm provide a responsive yet deliberate keypress distance.
• Bottom-out force slightly higher at 60g, giving a firm feel when keys are fully pressed.

Build Quality

• Stem made from POM material, known for durability and smooth sliding.
• Top and bottom housings use modified PA66 nylon, contributing to switch stability and a subtle scratchy texture.
• 18mm single-stage extended spring designed for consistent force application throughout the keypress.
• Factory lubrication reduces initial scratchiness and noise but may still benefit from additional lubing for smoother feel.

Compatibility & Mount

• PCB mount with 5 pins, compatible with most standard mechanical keyboard PCBs.
• Unknown compatibility with hot-swap sockets or LED configurations.

Trade-offs

• Textured housing adds scratchiness, which some users may find distracting or less smooth compared to other linear switches.
• Force variance of 2 cN indicates slight inconsistency between switches, potentially noticeable in large sets.
• Unknown long-term durability and spring noise characteristics.