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What is a Micro USB Connector?

Micro USB Interface Types

The Micro USB is a popular and versatile I/O connector and is currently the smallest form factor available in the USB range, almost 40% smaller than a USB Type C equivalent.

Micro USB connectors are made up of five contacts, with its tiny form factor enabling manufacturers to produce slimmer and more compact devices. Rated to 10,000 mating cycles as standard, it is a very attractive proposition when considering USB due to a great mix of price and performance.

View all Micro USB Products

Features of Micro USB

Power 1.25A

For Mobile

Speed 480mbps

Low Profiles from 2.35mm

10,000 Mating Cycles

Small Footprint

Micro USB Interface Types

Micro USB interface types

Type AB Micro USB Connector

More information about compatible Type AB mating interface types can be found in the grid below.

View AB Micro USB Connectors

Type B Micro USB Connector

More information about compatible Type B mating interface types can be found in the grid below.

View B Micro USB Connectors

Micro USB PCB Orientations & Mounting Types

Micro USB connectors are produced in a varied and versatile range of PCB orientations and mounting types. Options available for top, middle, bottom and reverse horizontal mounting, as well as a range of unique vertically mounted products.

Micro USB PCB Orientations and Mounting Types
Vertical Mount Receptacle - GCT's wide range of vertical Micro USB2.0 connectors includes through hole and SMT types, with a variety of shell stake lengths, profiles and cable assembly lead in options. Example shown USB3140 SMT
Vertical Mount Receptacle - GCT's wide range of vertical Micro USB2.0 connectors includes through hole and SMT types, with a variety of shell stake lengths, profiles and cable assembly lead in options. Example shown USB3145 Through hole
Vertical Mount Plug - Ideal for docking applications. Example shown USB3150 Through hole
Bottom Mount - Soldered to the bottom side of the PCB. Example shown USB3080 Surface mount
Bottom Mid Mount - Fits in a hole cut in the PCB and is soldered to the underside of the PCB. As well as contacts, it also has solderable feet which provide extra strength. Example shown: USB3070 Surface mount
Bottom Mid Mount - Fits in a hole cut in the PCB and is soldered to the top side of the PCB. As well as contacts, it also has solderable feet which provide extra strength. Example shown: USB3155 Surface mount
Top Mount - Connector is soldered to the top side of the PCB. Also known as micro USB reverse type. Reverse types allow the physical body of the Micro USB connector to sit on top of the PCB but still accept µUSB cable plugs in standard orientation with the USB symbol facing upwards. B type connectors are polarised, and to allow the correct cable orientation. Example shown: USB3135 Surface mount (Through hole shell stakes)
Top Mount - Connector is soldered to the top side of the PCB. Also known as micro USB reverse type. Reverse types allow the physical body of the Micro USB connector to sit on top of the PCB but still accept µUSB cable plugs in standard orientation with the USB symbol facing upwards. B type connectors are polarised, and to allow the correct cable orientation. Example shown: USB3100 Surface mount

Micro USB Mating Configurations

The table below shows compatible mating configurations between Micro USB interface types. There are also Micro USB 3.0 'SuperSpeed' connectors which have an additional 5 pins and difference interface shapes. These will also accept Micro USB 2.0 plugs depending on configuration, but will only run USB 2.0 specification.  GCT no longer produce Micro USB 3.0 connectors as the format has been superceeded by USB-C.

Micro USB interface compatibility chart

aquanex® Waterproof Micro USB Connectors

aquanex® is the new IP67 waterproof connector range from GCT bringing together high performance Micro USB connectors with excellent IP rated sealing.

Here you will find a selection of waterproof connectors that are currently available. The aquanex® range has launched with the USB3500, a space saving mid-mount micro USB sealed to IP67. The US3505 top mount version is the latest addition to the range and will be popular for more conventional designs.

Waterproof Micro USB connectors

USB3500 - Top Mount Waterproof IP67 Micro USB Connector

View USB3500

USB3505 - Mid Mount Waterproof IP67 Micro USB Connector

View USB3505

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