SDB-202A-24
在产Crown 202A 24mm Translucent Button
Crown 202A translucent 24mm for LED Start/Select.
常见应用
Translucent 24mm for LED-lit Start/Select buttons on Korean-style fight sticks.
Research Notes
1. Overview
The Crown/Samducksa SDB-202A-24 is a 24 mm translucent (clear) arcade pushbutton from Crown/Samducksa (Korean arcade-parts maker, a competitor to Sanwa and Seimitsu). A defining trait of the SDB-202 line is that it uses a Cherry MX-style keyboard switch inside (rather than a leaf/microswitch like Sanwa) — giving a shorter travel, more tactile/keyboard-like feel, and a swappable switch for tuning the feel/force. The clear/translucent body is made for LED backlighting. This is a 24 mm (start/aux size) button; the same design also comes in 30 mm.
2. User Sentiment
Samducksa/Crown buttons have a devoted following among fight-stick and hitbox builders who want a snappier, shorter-travel press than Sanwa — the Cherry MX switch means faster actuation and the ability to swap the switch (e.g. to a lighter/heavier or silent MX) to taste. The translucent bodies look great with LEDs. Considerations: the feel is noticeably different from Sanwa/Seimitsu (love-it-or-not), and you confirm mounting style (screw-in) and the 24 mm cutout.
3. Real-World Applications
Start/select/auxiliary (24 mm) buttons on arcade cabinets, fight sticks, and hitbox/leverless controllers — especially LED-lit builds and setups wanting a keyboard-switch feel and swappable actuation.
4. Technical Specifications
- Type: 24 mm translucent arcade pushbutton (Crown/Samducksa SDB-202A)
- Switch: Cherry MX-style keyboard switch (swappable) — shorter travel, tactile/keyboard feel
- Actuation: ~80 gf (depends on the MX switch fitted)
- Body: clear/translucent (LED-compatible)
- Mounting: screw-in (24 mm cutout)
- Sizes: 24 mm (this) and 30 mm variants
5. Ordering & Compatibility
Fits 24 mm panel cutouts; pairs with 30 mm main buttons for a full layout. Sold by arcade specialists (Arcade Renovations, Focus Attack, Paradise Arcade, Korean retailers). The swappable Cherry MX switch lets you change feel/force. Confirm screw-in vs snap-in and the 24 mm cutout; translucent body suits LEDs.
6. Known Issues
No notable reliability issues — the Cherry MX switch is durable and swappable. The main consideration is that the feel differs from Sanwa/Seimitsu (shorter, more tactile), so it's a preference choice; confirm mounting style and switch/force when ordering.
2 sources
- Crown/Samducksa SDB-202A 24mm translucent arcade button — focusattack.com
- Crown/Samducksa SDB-202 buttons (Cherry MX switch) — arcaderenovations.com
规格参数
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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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24mm
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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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Note
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Korean arcade brand (Sanwa/Seimitsu competitor); translucent for LED; 24mm + 30mm sizes
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Switch type
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Cherry MX-style keyboard switch (swappable) — shorter travel/tactile vs Sanwa microswitch
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安装快速参考
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.
尺寸
故障排除
Not responding to input
Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.
快速规格
- Actuation Force
- 80g
- Color
- Clear (LED compatible)
- Diameter
- 24mm
- Mounting Type
- Screw-in
- Note
- Korean arcade brand (Sanwa/Seimitsu competitor); translucent for LED; 24mm + 30mm sizes
用户评价
“Translucent 24mm for LED-lit Start/Select buttons on Korean-style fight sticks.”