Sanwa OBSF-30mm

Overview

The Sanwa OBSF-30 is the industry standard arcade pushbutton used in many commercial arcade cabinets and fightsticks. Known for its extremely responsive and light actuation, the OBSF-30 is a favourite among fighting game players who rely on fast and precise inputs. These snap-in buttons are easy to install and fit most fightsticks that use standard 30mm button holes, including Qanba, Hori and MadCatz controllers. Perfect for arcade stick modding, custom builds, or replacing worn buttons.

Specifications

Model

OBSF-30

Size

30 mm diameter

Actuation Force

Light (approx. 27 g to 55 g depending on micro-switch)

Compatibility

Fits most standard arcade cabinets and fight sticks; panel thickness approx. 2-4 mm for snap-in clip mount

Available Colours

Multiple colour options (black, white, red, yellow, blue, green, orange, pink, etc)

Mounting Hole Diameter

30 mm

Panel Thickness Supported

2-4 mm metal or thin wood (via snap-in clips)

Terminal Type

2.8 mm quick-connect lugs (.110″)

Microswitch Model

SW-68 (built-in)

Operating Position (OP)

Approx. 0.85 mm travel to activation

Total Travel Position (TTP)

Approx. 2.53 mm

Operating Force (OF)

Approx. 55 g

Rating

DC 12 V, 100 mA

Termination Resistance / Contact Resistance (ECR)

50 mΩ (below)

Withstanding Voltage

AC 250 V for 1 minute between terminals

Operating Temperature Range

-20 °C to +60 °C

Lifespan

1 million operations (at 5 V DC, 10 mA)

Weight

Approx. 12 g