HMX Sonja HC Linear Switches

The HMX Sonja HC Linear is a mechanical keyboard switch designed for users seeking a smooth and consistent linear typing experience. With carefully selected materials and precise engineering, this switch delivers reliable performance for both gaming and typing applications.

Key Features

• Linear feel for smooth keypresses without tactile bumps or audible clicks
• 52g actuation force for effortless typing
• 60g bottom out force for a satisfying end to each keystroke
• 2.0mm pretravel and 3.9mm total travel for responsive input
• 5-pin PCB mount for secure installation and compatibility with a wide range of keyboards
• Factory-lubed for reduced friction and enhanced smoothness

Construction and Materials

This switch features a red POM (Polyoxymethylene) stem, known for its low friction and durability. The top and bottom housings are made from modified PA66 nylon, with the top housing finished in off-white and the bottom in navy. The top housing also includes added texture, contributing to a unique, scratchy feel during actuation.

• Stem: Red POM for smooth movement
• Top Housing: Off-white modified PA66 nylon with textured finish
• Bottom Housing: Navy modified PA66 nylon
• Spring: 18mm KOS single-stage extended spring

Performance Specifications

• Actuation Force: 52 centi-Newtons (cN)
• Bottom Out Force: 60 cN
• Force Variance: 2 cN for consistent feel across switches
• Operating Position: 2.0 mm
• Full Travel: 3.9 mm
• Mount Type: PCB mount (5-pin)
• Stem Type: MX compatible
• Lubrication: Factory-lubed for smoothness

Spring Design

The switch utilizes an 18mm KOS single-stage extended spring. This design provides a balanced and responsive return, contributing to the overall linear feel and ensuring consistent actuation force throughout the keypress.

Visual Appearance

• Stem Color: Red
• Top Housing Color: Off-white
• Bottom Housing Color: Navy

Compatibility

With its 5-pin PCB mount and MX-compatible stem, this switch is suitable for a wide range of custom mechanical keyboards. It can be used in both gaming and productivity setups, offering versatility for various build preferences.

Summary

The Sonja HC Linear switch combines a smooth linear feel, durable materials, and thoughtful engineering for a high-quality typing experience. Its balanced actuation and bottom out forces, extended spring, and factory lubrication make it a strong choice for users seeking reliable and consistent keypresses in their mechanical keyboard builds.