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USB Type-C, USB Type-A, USB Type-B, USB Mini and USB Micro Connectors

I/O CONNECTORS

USB Connectors

Molex offers a diverse range of USB connector receptacles and plugs, including USB Type-C, USB, Type-A, USB Micro, USB Type-B, and USB Mini connectors, for various design requirements. These connectors also support multiple USB standards—USB 1.1, USB 2.0, USB 3.2 Gen 1, USB 3.2 Gen 2, USB 3.2 Gen 2x2 and USB4—and ensure compatibility with modern devices’ data transfer and power delivery needs. Available in various configurations and orientations, including soldering and mounting options, Molex USB connectors provide the flexibility engineers need to overcome complex design challenges.   

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Types of USB Connectors

USB Type-C Connectors

Using the latest USB technology, USB Type-C Connectors provide solutions for applications requiring fast data transfer, charging and video outputs. These connectors are reversible, support standards from USB 2.0 to 4.0 and deliver speeds up to 80Gbps. With power delivery as much as 240W, USB Type-C Connectors are ideal for applications such as smartphones, laptops, tablets and gaming consoles.

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USB Type-C Connector
USB Standard Current Data Transfer Speed
2.0, 3.1, 3.2, 3.2 Gen1, 3.2 Gen2, 4.0 Up to 6.0A Up to 80Gbps

USB Type-A Connectors

USB Type-A Connectors, widely used for various devices, feature a flat, rectangular interface and are keyed to plug in only one direction for proper orientation. Standards include USB 2.0 with transfer speeds up to 5Gbps. Applications for these connectors include computers, external storage devices, gaming systems, laptops and peripherals. 

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USB Type-A Connector
USB Standard Current Data Transfer Speed
2.0, 3.0 Up to 1.8A Up to 5Gbps

Micro USB Connectors

Micro USB Connectors, smaller than Mini USB Connectors, come in two versions—Micro B and Micro AB receptacles—and are keyed to help prevent mismating and ensure reliable electrical connections. Micro B receptacles mate only with Micro B plugs (commonly used for peripheral devices in networking applications, passively responding to commands from the primary device). Micro AB versions can mate with Micro A plugs (commonly used as host devices in networking applications initiating communications and commands in the device) or Micro B plugs. These connectors are found mainly in digital cameras, legacy smartphones and portable hard drives applications.

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Micro USB Connector
USB Standard Current Data Transfer Speed
2.0 Up to 1.8A Up to 480Mbps

USB Type-B Connectors

Commonly found in printers and digital cameras, Molex USB Type-B Connectors are mechanically keyed, ensuring the correct components match for reliable connections. This helps prevent mismating and avoids end-product failure. With data transfers up to 5Gbps, these connectors are also ideal for scanners and external hard drives.

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USB Type-B Connector
USB Standard Current Data Transfer Speed
2.0 Up to 1.5A Up to 480Mbps

Mini USB Connectors

Designed for applications too small to accommodate USB Type-A Connectors, Mini USB Connectors are frequently found in MP3 players, digital cameras and legacy smartphone products. These connectors are T-shaped to avoid connecting components into the wrong port, which leads to connector damage and electrical failure. For improved safety and reliability, Mini USB Connectors are an exceptional choice.  

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Mini USB Connector
USB Standard Current Data Transfer Speed
2.0 Up to 1.0A Up to 480Mbps

USB Standards, Types and Speeds

USB Standard Connector Type Maximum Data Transfer Speed

USB 1.1

 USB Type-A
USB Type-B		 12Mbps
USB 2.0 USB Type-A
USB Type-B
USB Micro A
USB Micro B
USB Mini A
USB Mini B
USB Type-C		 480Mbps 
USB 3.2 Gen 1 USB Type-A
USB Type-B
USB Micro B
USB Type-C		 5Gbps
USB 3.2 Gen 2 USB Type-A
USB Type-B
USB Micro B
USB Type-C		 10Gbps
USB 3.2 Gen 2x2 USB Type-C 20Gbps
USB4 USB Type-C 40Gbps

Molex USB Connector Solutions

As devices become increasingly compact, engineers are challenged with space constraints when designing USB connectors for miniaturized products. Molex addresses this concern by designing connectors that are suitable for compact devices and offering innovative solutions for enhanced performance and reliability in a small form factor. This is particularly beneficial in creating sleek designs without compromising functionality.

For device efficiency, it is also imperative to balance power delivery and data transfer capabilities. Molex provides USB connectors that support advanced data transfer speeds and delivers optimal power for efficient performance in diverse applications. Additionally, Molex offers hybrid USB receptacles and plugs that provide customization options, including support for USB4, Gen 3, Gen 4, USB 3.0 and USB 3.2. This flexibility helps engineers meet the complex design requirements of modern applications.

Designing connectors that withstand repeated use and harsh environmental factors like moisture and dust is another key concern. Molex develops robust connectors that maintain high performance even under challenging conditions. These connectors are designed to ensure durability and reliability, which is crucial for maintaining long-term functionality.

Applications by Industry

This is not a definitive list of applications for this product. It represents some of the more common uses.

Frequently Asked Questions

What are the different types of USB connectors?

USB Type-A, Type-B, Mini USB, Micro USB and USB Type-C are various types of USB connectors. Each type is used in different applications: Type-A (computers and chargers); Type-B (printers); Mini USB and Micro USB (outdated mobile devices). The most recent standard, USB Type-C, offers a reversible design for user convenience, high-speed data transfer for advanced protocols and high-power delivery supporting increased power output.

How do I choose the right USB connector for my device?

There are several factors to consider when selecting the right USB connector for your application. These considerations include device port type, data transfer speed, power delivery needs and compatibility with other devices. USB Type-C Connectors are typically used for more modern devices since these connectors are advanced in versatility and performance, supporting faster data transfer, high power delivery and multifunctional use. When connecting devices with different USB types, make sure to use the correct cables or adapters. 

What is the difference between the various USB versions 3.0, 3.1, 3.2 and USB4?

Each version has different data transfer speeds and capabilities: USB 3.0 supports up to 5Gbps; USB 3.1 supports up to 10Gbps; USB 3.2 supports up to 20Gbps with dual-lane mode; USB4 supports up to 40Gbps and integrates Thunderbolt 3 technology for improved performance, allowing for more efficient data, video and power transfer.