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Sanwa OBSF 30mm Pushbuttons Yellow


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$2.45 (USD)
0.36 Ounces
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16 unit(s)

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  • Product Description

    The SANWA OBSF-30 continues as the standard in high-quality Japanese arcade and commercial joystick pushbuttons. These buttons are compatible with the MadCatz line of FightSticks, Qanba FightSicks and Hori Fightsticks.  These low-profile buttons are specifically for custom joysticks that use a metal control panel.

    Sanwa's 30mm button snap right into most configurations, and offer the best reaction time, smoothest and quietest of any button.  The buttons are available in a variety of colors for great customization.  You can also buy multiple buttons and swap out the rim for even more customization.

    24 vs 30mm

    When processing orders, a frequent mistake we found among new players is choosing the wrong size for action buttons, such as punch and kick.

    Within the fighting game genre, Japanese arcade buttons commonly consist of two diameter sizes: 24 millimeter and 30 milllimeter (mm). In most configurations, 30mm represents your action button.  These are front facing, appearing most prominent on your Fightstick control panel.  Option button, such as "Start", "Select", or more recently "Option", "Touch", or "Share" are usually 24mm.

    UPDATE: Owners of Neo Geo AES Joysticks will need 24mm pushbuttons instead of 30mm (Thanks SRK's DEZALB)

    Below is a visual representation of a common Fightstick control panel.  Throughout this article, we will mark 24mm in green, and 30mm in Orange.

    Common joystick configuration

    Checking the Proper Size

    button-30mm.pngAnother way that players can misinterpret the pushbutton size is by measuring the pushbutton plunger.  Have a look at the diagram at right.

    The plunger - the part that you press down to represent an input - is 25mm or a bit smaller in most 30mm pushbuttons.  Often this leads to the conclusion that one needs a 24mm button and not 30mm.

    Similarly measuring the button rim can lead to confusion, as it is intentionally larger than the button hole it is placed in.  You don't want to use these measurements.  Instead, review the button housing diameter, or the hole the button will be placed in.  You can do this with a caliper - a digital caliper is often quite helpful for this and other arcade-related projects.

    Control Panel Configuration

    Most Fightsticks from MadCatz, Hori, Qanba, and similar will use these two sizes.  How the buttons are used will depend on the model joystick that you own. Over time, we'll provide example configurations for specific popular Fightstick models and arcade cabinets using the color key for 24mm (green) and 30mm (orange).  We'll also expand the key for future models if another size is introduced, and we offer for sale.


    24vs30mm Hitbox Example
    HRAP and Qanba Model Configuration
    MadCatz Model Configuration
    Qanba Q1 and Mayflash/Venom Model Configuration

  • Product Reviews


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    1. a necessity for arcade standard

      The arcade standard. What more is there to say about this? on Dec 21st 2019

    2. They feel like buttons

      They feel real good, and they don’t sound too loud too on Sep 10th 2019

    3. Exellent feeling

      It's nice too usw these buttons to mod your arcade stick with differenr color! on Aug 23rd 2019

    4. These buttons give me super sayin powers!

      These sanwa buttons are amazing, feel great, and increased my power lvl 100 fold. on Apr 23rd 2018

    5. Awesome

      I bought these for my TE2+ and it looks great with Ken theme artwork on Jan 23rd 2018

    6. 10/10

      Can't go wrong with sanwa on Jan 1st 2018

    7. Working perfect

      Working perfect on Nov 8th 2017

    8. fits my TE2 perfect

      i bought these because the tabs to hold the button in place have broken. easy to install. color matches perfect with others too. i'm happy with it on Mar 2nd 2017

    9. Easy installation.

      Replaced the stock buttons in a Mayflash 300 stick, these work great, only issue is one of the plugs on the back seemed to easily bend, however it still ended up working just fine. on Jul 22nd 2016

    10. Real deal Sanwa Buttons

      These are the buttons you need if you plan on modding your stick. I know everyone knows by now that Sanwa/Seimitsu are the right way to go but would just like to let any hesitant newbie know that you're at the right place if you want you Sanwa parts. on Dec 15th 2015