Sanwa Denshi · OBSF Series

OBSF-30-DH

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OBSF-30 Dark Hai (Dark Blue) 30mm

Sanwa Denshi OBSF Series Introduced circa 2003

Sanwa OBSF-30 Dark Hai — the most popular single-color Sanwa.

Common Applications

Dark Hai (dark blue) is the #1 selling Sanwa button color. Clean, professional look that matches any panel art. The default choice for serious fight stick builders.

Specifications

Actuation Force
65g
Color
Dark Hai (Dark Blue)
Diameter
30mm
Microswitch Type
Built-in
Mounting Type
Snap-in
Travel Distance
0.85mm

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

$25.32 — $33.8

across 2 distributors

Quick Specs

Actuation Force
65g
Color
Dark Hai (Dark Blue)
Diameter
30mm
Microswitch Type
Built-in
Mounting Type
Snap-in

What People Are Saying

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“Dark Hai (dark blue) is the #1 selling Sanwa button color. Clean, professional look that matches any panel art. The default choice for serious fight stick builders.”

Reddit r/fightsticks 27 upvotes View thread →