SDB-202-24
ActiveSDB-202 24mm Screw-in Button
Crown/Samducksa SDB-202 24mm arcade button with mechanical microswitch.
Common Applications
Korean-style arcade button popular with Tekken and Korean fighting game players. The mechanical microswitch gives a distinct tactile click that Japanese Sanwa buttons lack. The 24mm size is standard for Korean arcade cabinets. Screw-in mounting for wood and acrylic panels.
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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Various
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Diameter
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24mm
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Mechanical Life
How many press cycles before mechanical failure. Higher is better — 10M cycles at 100 presses/day = 274 years.
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5,000,000 cycles
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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 24mm 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
$6.64 — $11.92
across 3 distributors
Quick Specs
- Actuation Force
- 80g
- Color
- Various
- Diameter
- 24mm
- Mechanical Life
- 5,000,000 cycles
- Microswitch Type
- Mechanical (Gersung)
What People Are Saying
“Crown/Samducksa SDB-202-24 — solid choice for custom builds. 80g actuation.”