Description Reviews The Sanwa SDM-18 pushbutton is a potentially good fit for smaller button projects. Its dimensions are 27.94mm x 16.51mm x 16.51 (WxHxD), and among other uses, will fit as an alternative option button for the Sega Virtua Stick High Grade Fightstick. This product hasn't received any reviews yet. Be the first to review this product! WRITE A REVIEW Write a Review Close × Sanwa Denshi Sanwa SDM 18mm Pushbutton - Red Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Required Email Required Review Subject Required Comments Required
Research Notes
1. What this is
Sanwa Denshi Sanwa SDM 18mm Pushbutton - Red is a Sanwa Denshi arcade pushbutton.
2. Spec decode (from product name)
- Diameter: 18mm
3. Compatibility & use
Standard Japanese/US-style arcade pushbutton. Match by diameter (30mm main / 24mm start-aux), mounting (snap-in vs screw-in for panel thickness), shape (convex/concave), and finish; confirm the microswitch tab size for your wiring.
4. Data-quality note
Key attributes are decoded from the product name; confirm size/mount/colour against the vendor listing. Flagged decoded-partial.
5. Sources
- Sanwa Denshi / arcade-parts vendor listing (Focus Attack, Paradise Arcade, Arcade Shock, arcadexpress.com)
- Slagcoin pushbutton guide (slagcoin.com/joystick/pushbuttons.html)
1 source
- Sanwa Denshi Sanwa SDM 18mm Pushbutton - Red — arcade-parts vendor
Specifications
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Device class
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arcade pushbutton
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Diameter
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18mm
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Enriched by
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arcade-decoder-2026-08-12
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Pn status
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decoded-partial
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Series description
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Sanwa Denshi arcade pushbutton
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Installation Quick Reference
Mounting: Snap-in buttons push into a 18mm 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.
Quick Specs
- Device class
- arcade pushbutton
- Diameter
- 18mm
- Enriched by
- arcade-decoder-2026-08-12
- Pn status
- decoded-partial
- Series description
- Sanwa Denshi arcade pushbutton
