Regardless of the type of electrical device or system, as well as its purpose, each of them requires power supply. If they are equipped with power supplies, the functions are fulfilled by DC sockets. It is important that the connector and the power supply unit connected to it are compatible with each other, i.e. they fit together properly. It is important to pay attention to the key parameters that determine this, i.e. the shape of the plug, as well as the maximum operating current and voltage. We offer a wide range of sockets, which have been designed and created taking into account a specific type of power supply. In our store you will find sockets that fit most DC power supplies, so you can be sure that the chosen one will be compatible with the power supply. At the same time you can use the option of a power outlet adapter. This will allow you to combine different power sources and thus increase your design capabilities. The DC sockets and plugs differ in appearance, shape, parameters, number of pins and type, such as male, female and male-female.
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DC plugs and sockets
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Adapter DC 5.5/2.1mm with switch - 4 plugs
Extension cable with one female 5,5 / 2,1 mm slot and four male 5.5 / 2.1 mm plugs. It has mounted switch on the cable. It can be used, i.a. to power many LED strips from one...
Index: KAB-08136
Index: KAB-08136
Socket DC 5.5 x 2.5 mm with terminal connector - 5pcs
DC φ5.5 x 2.5 mm slot (for AC power supply) with a detachable connector that allows you to mount the cable using a screwdriver.
Index: KAB-07209
Index: KAB-07209
DC splitter 5.5/2.1mm - 4 plugs
Adapter with one female 5,5 / 2,1 mm socket and four male 5.5 / 2.1 mm plugs. It can be used, i.a. to power many LED strips from one power source.
Index: KAB-08133
Index: KAB-08133
DC splitter 5.5/2.1mm - 5 plugs
Branch joint with one female 5,5 / 2,1 mm slot and five male 5.5 / 2.1 mm plugs. It can be used, i.a. to supply many LED strips from one power source.
Index: KAB-08134
Index: KAB-08134
DC 5,5x2,1mm socket with quick connection and buttons v2
DC φ5.5 x 2.1 mm socket (for AC adapter) with connector allowing you to mount the cable using the buttons.
Index: KAB-03506
Index: KAB-03506
Adapter DC 5,5/2,1mm with switch - 2 plugs
Branch joint with one female 5,5 / 2,1 mm slot and the two male 5.5 / 2.1 mm plugs. It has the switch mounted on the cable. It can be used, i.a. to supply many LED strips from...
Index: KAB-08135
Index: KAB-08135
50/5000 DC 5.5 x 2.1mm plug with quick connector and buttons - 5 pcs.
DC plug φ5.5 x 2.1 mm with a connector to fasten the cable with the buttons. The product is sold in 5 pieces.
Index: KAB-05689
Index: KAB-05689
DC splitter 5.5/2.1mm - 5 plugs - 40cm
Splitter with one 5.5 / 2.1 mm female socket and five 5.5 / 2.1 mm male plugs. It can be used, for example, for supplying many LED strips from one power supply.
Index: ZAS-05018
Index: ZAS-05018
Adapter DC 5,5/2,1mm - 3 plugs
Splitter with one female socket 5.5 / 2.1 mm and three male plugs 5.5 / 2.1 mm. Can be used, among other things, to power multiple LED strips from one power supply.
Index: KAB-08132
Index: KAB-08132
Plug DC φ5.5 x 2.5 mm with terminal connector - 5pcs
DC φ5.5 x 2.5 mm plug (for power supply unit) with a detachable connector that allows you to mount the cable with a screwdriver. Items are sold in sets of 5 pieces.
Index: KAB-07208
Index: KAB-07208
Index: KAB-14017
DC 5,5/2,1 socket adapter - DC 4,8/1,7 plug
The adapter allows you to connect a power supply with DC 5,5 / 2,1 mm plug for modules with DC 4,8 / 1,7 mm slot. Cable length is 15 cm.
Index: KAB-01921
Index: KAB-01921
Angled DC adapter 5.5/2.1mm - angular
The angled adapter making possible the connection of the cable to the 5.5 / 2.1 mm tip everywhere, where the straight adapter just doesn't fit. It can be used as a power source...
Index: SWT-08431
Index: SWT-08431
DC plug 4,0x1,7mm for cable - 10 pcs.
DC plug φ 4.0 x 1.7 mm per wire, plug housing is made of plastic. The length of the plug is about 11 mm. Sold for 10 pieces.
Index: KAB-07514
Index: KAB-07514
Adapter DC 5,5/2,1mm - 2 plugs
Adapter with one 5,5 / 2,1 mm female socket and the two male 5.5 / 2.1 mm plugs. It can be used, i.a. to power many LED strips from one power source.
Index: KAB-08131
Index: KAB-08131
DC 5.5 x 2.1mm socket for case - screwed - 5pcs.
Power DC φ5.5 x 2.1 mm slot bolted to a case, made of plastic.
Index: KAB-09350
Index: KAB-09350
DC 5,5x2,1mm socket with 50cm cable
DC power supply socket φ5.5 x 2.1 mm with a wire approx. 50 cm long.
Index: KAB-05688
Index: KAB-05688
DC 2,1/5,5mm cable 30cm with switch
Cable terminated with a 2.1/5.5 mm plug and socket with a built-in switch. It allows you to disconnect the power supply without removing the power supply from the mains...
Index: KAB-03913
Index: KAB-03913
Plug DC 5,5/2,1mm with cable 1,5m
2-vein cable with the length of 1,5 meter with the straight DC 5,5 / 2,1 mm plug.
Index: KAB-01831
Index: KAB-01831
DC 5,5/2,1 socket adapter - USB A socket
The adapter is ended, on the one side with the DC 5,5 / 2,1 mm socket, on the other with the USB type-A.
Index: KAB-02092
Index: KAB-02092
DC plug 5,5x2,5mm for cable - 10pcs.
DC φ5.5x2.5 mm plug for the cable made of plastic. Plug length: 9.5 mm.
Index: UCC-00413
Index: UCC-00413
Cable with an angled DC 2,1/5,5mm plug
2-vein cable with the length of 1.15 m with the angular DC 2,1 / 5,5 mm plug.
Index: KAB-01830
Index: KAB-01830
DC socket 5,5x2,1mm with 1 m wire
DC φ5.5 x 2.1 mm slot (for AC adapter) with 2-vein cable with the length of 1 m with the removed insulation at the end.
Index: KAB-03507
Index: KAB-03507
Index: KAB-13693
See also
- Connectors - goldpin
- Pogo Pin
- Electric cubes
- Quick couplings
- BNC connectors
- BLS connectors
- ARK connectors
- D-SUB connectors
- Connectors - FSF / FPC ZIF
- Amphenol FCI connectors
- Banana connectors
- Crocodile cables
- Connectors - 4-pin
- RJ network connectors
- USB connectors
- Jumpers
- Wire tips
- SMA connectors
- Mounting connectors
- Connectors - raster 2.5 mm
- Connectors - raster 2.54 mm
- 230 V network sockets
- IDC connectors
- Slip connectors
- Molex connectors
- Connectors
Wide selection of power sockets
DC power sockets differ in many parameters. The basic ones are the maximum permissible operating voltage and the maximum current that can flow through the connector . These parameters affect the shape of the plug - the more current that has to flow through it, the larger it is generally to ensure lower resistance and reduce voltage drops. The operating voltage is related to the insulation used in the connector. This is extremely important because exceeding the permissible voltage for a socket or plug may lead to a breakdown and, consequently, a short circuit, which may damage both the power supply system and the powered device.
DC socket - Power connectors with various parameters
Typical power connectors are cylindrical in shape. There is a single pin in the center and the outer part of the plug is the second pole of the DC power supply. There are no standards specifying which of these two elements should have voltage and where the ground should be, however, in recent years it has been assumed that the middle pin of a plug or socket is the so-called "hot" - there is the plus of the power supply, while the outer part of the connector is at ground level. Plugs are characterized mainly by two parameters - length and diameter. This ensures that connectors can be easily matched to each other without the need to perform more complex measurements.
Universal power accessories
Our store's offer includes a wide selection of not only sockets and plugs, but also numerous accessories that allow them to be connected and used in any DC power systems to build a prototype. Examples include connectors terminated with ARK connectors or screw connectors. This allows for easy installation of the plug on cables, without the need for soldering. Additionally, there are also sockets available with goldpins that can be plugged into contact boards used for prototyping electronic devices.
DC sockets and plugs - FAQ
In the vast majority of cases, the positive (+) pole of the power supply is connected to the middle pin of the plug , and the negative (-) pole to the outer metal "sheath". However, please remember that there are exceptions to this rule (mainly in the world of music equipment).
The DC socket should be connected according to the polarity of the power supply associated with the device - usually the middle contact will be connected to the positive pole of the power supply, and the side pressure plate - to the negative pole. Many sockets also have a third contact, which allows, for example, automatic switching of the power supply between the external power supply and batteries .
DC sockets are used to connect constant voltage plug-in and desktop power supplies. They are used in everyday devices, toys, LED lamps , medical equipment and many others.
DC sockets are a wide group of connectors that are used to power low-power devices using external plug-in or desktop power supplies. The most common sockets are 2.1/5.5 mm and 2.5/5.5 mm.