USB Connector Types: Mini USB Connectors & Pinouts

USB cables come with five different basic types of USB connector: types A, B, micro B, mini B, and C. The mini connector is common on older non-Apple mobile phones and other portables. However, the USB micro has largely replaced the mini in recent years, and USB-C may soon replace the micro.

USB cables come with five different basic types of USB connector: types A, B, micro B, mini B, and C. The mini connector is common on older non-Apple mobile phones and other portables. However, the USB micro has largely replaced the mini in recent years, and USB-C may soon replace the micro.

The mini connector is compatible with the first and second-generation USB standard, but was replaced by micro prior to the development of USB 3.0.

The standard mini USB connector has five pins:

Looking at the mini connector on a cable, pins are numbered 1-4 (X included), ascending, from left to right.  All wires are shielded, and the data wires (positive and negative) are a twisted pair requiring no termination.

Since it’s no longer certified for new devices, the USB mini connector will likely fade from use in the near future. Check out the USB mini B connector pinout below:

Fig 1: Mini USB Type B connector pinout

Related news articles

Latest News

Sorry, your filter selection returned no results.

We've updated our privacy policy. Please take a moment to review these changes. By clicking I Agree to Arrow Electronics Terms Of Use  and have read and understand the Privacy Policy and Cookie Policy.

Our website places cookies on your device to improve your experience and to improve our site. Read more about the cookies we use and how to disable them here. Cookies and tracking technologies may be used for marketing purposes.
By clicking “Accept”, you are consenting to placement of cookies on your device and to our use of tracking technologies. Click “Read More” below for more information and instructions on how to disable cookies and tracking technologies. While acceptance of cookies and tracking technologies is voluntary, disabling them may result in the website not working properly, and certain advertisements may be less relevant to you.
We respect your privacy. Read our privacy policy here