USB Connector
USB Mini-A
USB Mini-A is a five-contact legacy Mini-USB connector form that was defined for host-side USB On-The-Go use on compact devices.
Characteristics
Review Mini-A's five-contact design, USB 2.0-era OTG host role, typical legacy use, replacement by Micro-USB forms, and current certification status.
| Specification name | USB Mini-A plug and receptacle |
|---|---|
| Connector family | Mini-USB |
| Reversible | No |
| Contact count | 5 |
| USB generation | USB 2.0-era connector system |
| Typical role | Host-side USB On-The-Go connection |
| Typical use | Early compact USB OTG devices; uncommon in mainstream consumer hardware |
| Replacement | Micro-A and Micro-AB became the later OTG connector forms |
| Current status | Antiquated; USB-IF compliance rules prohibit Mini-A connectors in new certified products |
USB Mini-A articles
Explore guides covering USB Mini-A, Mini-USB compatibility, OTG roles, adapters, legacy devices, and practical connector questions.
