SDB-202A-30
ActiveCrown 202A 30mm Translucent Button
Crown 202A translucent shell for LED builds.
Common Applications
Translucent version of the Crown 202 for LED lighting builds. Same mechanical feel (80g Gersung), clear shell allows LED boards to shine through. Korean alternative to Sanwa OBSC-30 clear buttons.
Specifications
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Actuation Force
The force needed to press the button. Lower = more sensitive. Sanwa ~65g (light), Seimitsu ~85g (medium), Happ ~130g (heavy).
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80g
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Color
Button/actuator color. Green = start/go, Red = stop/emergency, Yellow = caution, Blue = reset (per IEC 60204-1).
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Clear (LED compatible)
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Diameter
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30mm
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Microswitch Type
The internal switch mechanism. Built-in = sealed unit. Cherry D44X = replaceable, clicky. Omron = quieter, longer life.
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Mechanical (Gersung)
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Mounting Type
How the button attaches to the panel. Panel mount is standard — installs through a cutout from the front.
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Screw-in
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Travel Distance
How far the button moves when pressed. Shorter = faster response. Sanwa 0.85mm is extremely short for competitive gaming.
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1.5mm
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Installation Quick Reference
Mounting: Snap-in buttons push into a 30mm hole from the top of the panel. Screw-in buttons thread from below and secure with a nut. Use 2-3mm acrylic, wood, or metal panel.
Wiring: Connect the microswitch terminals to your encoder or PCB. Common ground shared across all buttons. Quick-disconnect (0.110") terminals are standard on Japanese buttons.
Dimensions
Troubleshooting
Not responding to input
Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.
Where to Buy
Price range
$23.98 — $44.52
across 2 distributors
Quick Specs
- Actuation Force
- 80g
- Color
- Clear (LED compatible)
- Diameter
- 30mm
- Microswitch Type
- Mechanical (Gersung)
- Mounting Type
- Screw-in
What People Are Saying
“Translucent version of the Crown 202 for LED lighting builds. Same mechanical feel (80g Gersung), clear shell allows LED boards to shine through. Korean alternative to Sanwa OBSC-30 clear buttons.”