AC/DC Adapters

An AC/DC adapter, or plug-in power supply, is an electrical device that takes input power from a mains power supply and converts or derives the right current, frequency and voltage to power the component it is attached to. Main power supplies provide power to devices that run on batteries or have no other power source. These are suitable for applications such as chargers, set-top boxes, motor control and other office automation products. A plug-in power supply resides outside the main unit, unlike a computer power supply which is internal.


For popular Raspberry Pi power supplies, visit our sister site OKdo.com and all thing Raspberry Pi and SBC.


How does an AC/DC adapter work?


An AC/DC adapter is made up of a central unit which draws power from an AC outlet, it then converts the power to DC that is used to charge the device. Each AC adapter has a specific power rating, measured in volts or watts that it can handle and the output of a device. Because of the power rating and the type of plug on the end, an AC adapter is not universal and can only be used with devices with the same requirements and connector.


International Plug Power Supplies


Some plug-in power supplies come with interchangeable input connectors that you can swap when traveling to areas with different plug types such as the United Kingdom, USA, Europe, Japan and Australia. They may also come with protection features such as short circuit, over voltage and overload to suit the international safety approvals making them ideal for the global marketplace.


Are all AC/DC Adapters the same?


It is possible to use a power adapter on different devices, but it’s important to check whether it’s AC or DC output. Using close to, if not exactly the correct voltage and Amperage. If you're unsure it might be worth investing in a universal power adapter with lots of different plug fittings.


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Description Price Input Voltage Type Output Voltage Plug Type Output Current Maximum Temperature Output Connector Input Connector Number of Outputs Power Rating Length Regulated/Unregulated Cable Length Medical Approved
RS Stock No. 126-2121
BrandRS PRO
£23.53
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Supply 24V dc Global 1A +45°C 2.1 x 5.5 x 11 mm Centre Positive Universal Plug 1 24W 30mm - 1.5m Yes
RS Stock No. 124-2204
BrandRS PRO
£12.78
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Switched Mode Power Supply 9V dc Type C 2.5A +40°C 2.1 x 5.5 x 10 mm Centre Positive EU Plug 1 24W 69.3mm - 1.5m -
RS Stock No. 126-2116
BrandRS PRO
£22.44
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 5V dc Global 3A +45°C 2.1 x 5.5 x 11 mm Centre Positive Universal Plug 1 15W 30mm - 1.8m Yes
RS Stock No. 126-2117
BrandRS PRO
£22.44
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 9V dc Global 2A +45°C 2.1 x 5.5 x 11 mm Centre Positive Universal Plug 1 18W 30mm - 1.8m Yes
RS Stock No. 126-2113
BrandRS PRO
£17.86
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 5V dc Global 1A +45°C 2.1 x 5.5 x 11 mm Centre Positive Universal Plug 1 5W 42.5mm - 1.8m Yes
RS Stock No. 126-2119
BrandRS PRO
£22.44
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 24V dc Global 750mA +45°C 2.1 x 5.5 x 11 mm Centre Positive Universal Plug 1 18W 30mm - 1.8m Yes
RS Stock No. 124-2189
BrandRS PRO
£7.76
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Switched Mode Power Supply 9V dc Type C 1.33A +40°C 2.1 x 5.5 x 10 mm Centre Positive EU Plug 1 12W 35.68mm - 1.5m -
RS Stock No. 124-4704
BrandRS PRO
£12.21
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 9V dc Australia, European Plug, Japan, UK, US 1.33A +40°C 2.1 x 5.5 x 12 mm Centre Positive Universal Plug 1 12W 713.8mm - 1.5m -
RS Stock No. 126-2114
BrandRS PRO
£17.86
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Supply 9V dc Global 600mA +45°C 2.1 x 5.5 x 11 mm Centre Positive Universal Plug 1 5.4W 42.5mm - 1.8m Yes
RS Stock No. 187-1369
BrandRS PRO
£8.88
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 5.1V dc Australia, European Plug, UK, US 3A +40°C USB Type C Universal Plug 1 - 74.5mm Regulated 1.5m -
RS Stock No. 124-4716
BrandRS PRO
£9.40
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Universal 12V dc Global Plug 1A +40°C 2.1 x 5.5 x 12 mm Centre Positive Universal Plug 1 12W 70mm - 1.5m -
RS Stock No. 175-3322
BrandRS PRO
£7.93
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 12V dc Type G 2A +40°C 2.1 x 5.5 x 12 mm Centre Positive UK Plug 1 24W 74.5mm Regulated 1500mm -
RS Stock No. 139-2270
BrandRS PRO
£9.11
Each
Units
230 V ac, 240 V ac Linear Power Supply 18V dc Type G 600mA +40°C 2.1 x 5.5 x 12 mm Centre Positive UK Plug 1 11W 87mm Unregulated 1.8m No
RS Stock No. 175-3299
BrandRS PRO
£4.23
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 12V dc Type C 500mA +40°C 2.1 x 5.5 x 12 mm Centre Positive EU Plug 1 6W 67mm Regulated 1500mm -
RS Stock No. 175-3323
BrandRS PRO
£8.65
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Power Adapter 24V dc Type G 1A +40°C 2.1 x 5.5 x 12 mm Centre Positive UK Plug 1 24W 72.1mm Regulated 1500mm -
RS Stock No. 139-2337
BrandRS PRO
£9.00
Each
Units
230 V ac, 240 V ac Linear Power Supply 24V dc Type C 450mA +40°C 2.1 x 5.5 x 12 mm Centre Positive EU Plug 1 11W 89mm Unregulated 1.8m No
RS Stock No. 144-0960
BrandRS PRO
£20.49
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Switched Mode Power Supply 15V dc Australia, European Plug, UK, US 3.36A +40°C 2.1 x 5.5 x 12 mm Centre Positive Universal Plug 1 50.4W 52mm Regulated 1.2m -
RS Stock No. 175-3300
BrandRS PRO
£6.49
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Switched Mode Power Supply 15V dc Type C 500mA +40°C 2.1 x 5.5 x 12 mm Centre Positive EU Plug 1 7.5W 78.98mm Regulated - -
RS Stock No. 175-3308
BrandRS PRO
£8.26
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Switched Mode Power Supply 7.5V dc Type G 2A +40°C 2.1 x 5.5 x 12 mm Centre Positive UK Plug 1 15W 70mm Regulated - -
RS Stock No. 175-3324
BrandRS PRO
£7.67
Each
Units
100 V ac, 110 V ac, 115 V ac, 120 V ac, 127 V ac, 220 V ac, 230 V ac, 240 V ac Switched Mode Power Supply 12V dc Type C 2A +40°C 2.1 x 5.5 x 12 mm Centre Positive EU Plug 1 24W 74.5mm Regulated - -
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