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USB Cable and its types and uses

USB Cable summary

The term USB stands for “Universal Serial Bus”. USB cable assemblies square measure a number of the foremost widespread cable sorts out there, used largely to attach computers to peripheral devices like cameras, camcorders, printers, scanners, and more.

Devices factory-made to this USB Revision three.0 specification square measure backward compatible with version one.1.

USB Cable and its types and uses

Detail of USB Cable Construction

The USB cable commonplace permits for these blessings over serial cable types:

• USB cables square measure “Hot Pluggable”, in different words you’ll be able to connect and disconnect the cables whereas the pc is running without worrying of phase change the pc.


• USB cables square measure quick, transferring up to 480Mbps. Compare that to serial communication that transfers information at concerning 20Kbps.

• USB cables carry power still as signals. this permits for “USB powered” gadgets still as recharging batteries in cameras and different USB peripherals.


• USB cables square measure designed with many distinct connexion sorts, creating it straightforward to spot that plug goes into the pc and that plug goes into the computer peripheral.


• USB cables square measure a universal commonplace and square measure fairly straightforward to search out and to afford USB (Universal Serial Bus) cables square measure all over. If you’ve ever required to charge something, From smartphones to tablets, to cameras and even new laptops, you’ve possibly required to use one.


However, USB cables are available completely different shapes and sizes despite the very fact tons of them do constant things.

USB Cable and its types and uses

During this short and handy guide, we’ll take a glance at the least bit of the various forms of USB cables out there on the market and provides you some examples wherever you would possibly notice them in use.

USB Type-A connectors square measure very common and can possibly be at one finish of tons of USB cables these days. you’ll be able to connect numerous devices like smartphones, cameras, keyboards, and additional to computers to transfer information, or plug into wall chargers to charge these gadgets with a Type-A port. USB TYPE-B These cables aren’t quite as common and versatile because of the others on this list.

USB Type-B connectors square measure primarily for connecting printers and scanners to computers. they need an sq. form with beveled exterior corners on the highest ends. you would possibly still notice a USB Type-B port on some devices, however, it’s turning into quite rare.

Mini USB This was the quality for numerous devices a moment back however was quickly replaced by the micro-USB connexion mentioned below. You’ll notice it on older models of varied gadgets particularly cameras, MP3 players, and game controllers, among others.

As its name suggests, it’s smaller than the than an everyday USB, however larger in comparison to its successor.
The micro-USB connexion is incredibly little and it let makers manufacture slimmer devices. Micro-USB was wide adopted, however, is quickly being left behind.

That said, some ultra-affordable smartphones even currently go together with micro-USB ports. you would possibly notice micro-USB ports on bound accessories like Bluetooth speakers, wireless earphones, smartwatch charging stands, and additional still.

USB-C, antecedently referred to as USB Type-C, is that the latest king of the hill.

you’ll notice it on most new devices, and offers quicker information transfer rates than previous USB versions. The largest advantage of USB-C is that it’s reversible and might be blocked in either up or down.

it’s become the new commonplace for mobile devices. Universal adoption remains a touch ways in which away, however, it’s ne’er been nearer than with USB-C.

How many forms of USB connectors square measure there?
USB connectors – and, by extension, USB ports – may be found in 2 completely different styles: sort “A” (for hosts and USB hubs) and kind “B” (for peripheral devices).

additionally, USB plugs fall under 3 completely different size ranges: commonplace, mini, and micro.

Here’s a general breakdown of however connexion designs disagree by size category, and therefore the applications everyone is employed for:

USB Cable and its types and uses


• Commonplace USB:

Standard is that the original USB connexion size, and therefore the largest of the bunch.

Standard-size “A” connectors have an extended and very slender rectangular form (approximately 4mm x 12mm), whereas commonplace “B” connectors square measure still rectangular, however with shorter and wider proportions (at roughly 7mm x 8mm, they’re nearer to being square). commonplace USB connectors square measure generally used with, well, “standards” peripheral devices like printers, keyboards, laptop mice, and scanners.

• Mini USB:

Developed to be used with little, transportable peripherals like digital cameras, cell phones, PDA’s and MP3 players, mini USB connectors feature an additional compact and space-efficient style than commonplace USB connectors.

Not like commonplace A and B connectors, mini A and B have terribly similar shapes; but, it’s doable to differentiate one from the opposite by the higher halves of their vertical edges: mini A’s sides square measure straight, however, mini B’s square measure rounded.

• Micro USB:

In Jan 2007, the USB-IF approved the foremost space-conscious connexion size to date: small USB. small USB connectors square measure around 50-60% smaller than mini connectors and replace mini USB in several new PDA’s and Smartphones.