Purple Mist Switch – Custom Mechanical Keyboard Switch

This switch utilizes the YUNJUHONG V2 mold and features a 20mm single-stage SUS spring. With a 39g actuation force and 45g bottom-out force, it offers a smooth tactile experience.

Key Features

• Strong rebound with short spring

• Linear, consistent feel across all keys

• Heavy-duty proprietary mold by IKEYX

• Isolated wall design to reduce spring ping

• U2 + HWUP plastic material blend

• Reinforced bottom mold for smoother keystrokes

• High-grade SUS steel wire spring minimizes fatigue

• No stem polishing for enhanced quality control

• Reduced defect rates with LICHICX quality assurance

Design Advantages

• High-precision mold allows smooth operation without factory lube

• Custom spring: 100% genuine 20mm SUS spring (not falsely advertised as 28mm)

• Smooth bottom-out and consistent actuation

• High-quality plastic ensures smooth keystrokes without added oil

• Dustproof stem provides a stable bottom-out and fluid motion

Product Information

• Brand: 7MIN LAB

• Lifespan: 80 million keystrokes (lab tested)

• Switch Type: 4.0mm Smooth Tactile Switch

Special Features

• SUS spring for strong rebound and longer lifespan

• High-precision molding ensures smoother feel without over-lubrication

Specifications

• Key Travel: 2.0mm actuation / 4.0mm bottom-out (±0.2mm)

• Spring: 20mm single-stage SUS spring

• Force: 39g actuation / 45g bottom-out (rebound strength up to 52g)

• Material:

  • Top housing: POK

  • Stem: U2 material

  • Bottom housing: Reinforced PA

• Bottom-out Method: Pole-based (soft, angled bottoming)

• Socket Support: 5-pin hot-swappable (not compatible with SMD LED)