Embedded Switch Mode Power Supplies (SMPS)

A switch mode power supply is a type of electronic circuit used to convert power. They are also known as switching-mode power supplies or SMPS for short. The typical topology of an SMPS is AC to DC conversion, although users may find other switches that feature an output of DC to DC voltage.



How do SMPS work?


For the power supply to transform its input voltage into an output voltage, the switch will turn on and off with high frequency. The inductors or capacitors within the device will then regulate the power to the device. This continuous switching of the capacitor maintains the voltage at the desired level and provides excellent efficiency.



How do SMPS convert AC to DC?


In the case of AC mains usage, the input voltage will be filtered the same way with a capacitor or inductor to regulate the power and give you the DC output.



Which SMPS is best for a desktop PC?


The power supply unit you use in your PC is important as it ultimately determines what other components you can use within it and the output in performance you get at the end. For high-end gaming PC builds you should aim for an efficiency rating of >80%. The higher the rating, the less electricity it consumes. The less electricity used means easier heat dissipation which keeps the PC cool and performing optimally.


Switching power supply units with higher efficiency and lower levels of heat dissipation are typically compact in nature, making them ideal for projects with limited space.



Where are SMPS used?



  • PC/Laptops


  • Mobile phone chargers


  • Security systems such as CCTV Cameras


  • Machine tool industries


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Omschrijving Prijs Output Voltage Series Output Current Power Rating Number of Outputs Input Voltage Mounting Type Package Type Length Width Depth Weight Efficiency Maximum Temperature
RS-stocknr. 786-4744
FabrikantRS PRO
€ 13,11
Each
Aantal stuks
24V dc - 210mA 5W 1 100 → 400 V dc, 85 → 264 V ac PCB Mount Encapsulated 42mm 11mm 24mm 10g 75% +85°C
RS-stocknr. 181-2144
FabrikantRS PRO
€ 79,02
1 Tube of 13
Tube(s)
24V dc - 210mA 5W 1 100 → 370 V dc, 85 → 264 V ac PCB Mount Encapsulated 37mm 24.5mm 18mm 25g 81% +70°C
RS-stocknr. 828-0147
FabrikantRS PRO
€ 68,82
Each
Aantal stuks
12V dc - 5A 60W 1 100 → 240V ac Cable Enclosed 187.2mm 122.2mm 89.9mm >1kg 75(Min)% +40°C
RS-stocknr. 161-8234
FabrikantRS PRO
€ 158,66
Each
Aantal stuks
36V dc - 14A 480W 1 90 → 264V ac Chassis Mount Enclosed 218mm 116.5mm 41mm - - +70°C
RS-stocknr. 161-8301
FabrikantRS PRO
€ 21,20
Each
Aantal stuks
48V dc - 3.3A 158W 1 170 → 264 V ac, 85 → 132 V ac Chassis Mount Enclosed 99mm 82mm 30mm 480g 90% +70°C
RS-stocknr. 161-8255
FabrikantRS PRO
€ 20,93
Each
Aantal stuks
48V dc - 1.25A 60W 1 127 → 370 V dc, 90 → 264 V ac Chassis Mount Open Frame 101.6mm 51mm 30mm - 85% +70°C
RS-stocknr. 161-8219
FabrikantRS PRO
€ 58,00
Each
Aantal stuks
12V dc - 16.7A 200W 1 120 → 370 V dc, 85 → 264 V ac PCB Mount Enclosed 199mm 99mm 50mm - 84% +70°C
RS-stocknr. 751-1419
FabrikantRS PRO
€ 48,48
Each
Aantal stuks
12V dc - 2.5A 30W 1 85 → 265V ac PCB Mount Enclosed 89mm 63.5mm 25mm 250g - +71°C
RS-stocknr. 181-2187
FabrikantRS PRO
€ 6,20
Each
Aantal stuks
24V dc - 210mA 5W 1 100 → 370 V dc, 85 → 264 V ac PCB Mount Encapsulated 37mm 24.5mm 18mm 25g 81% +70°C
RS-stocknr. 144-6269
FabrikantRS PRO
€ 33,32
Each
Aantal stuks
5V dc - 4.1A 20.5W 1 264 V ac, 370 V dc Chassis Mount Encapsulated 96.1mm 54mm 32mm 170g 79 % @ 230 +70°C
RS-stocknr. 181-2120
FabrikantRS PRO
€ 9,15
Each
Aantal stuks
5V dc - 2.7A 13.5W 1 100 → 370 V dc, 85 → 264 V ac PCB Mount Encapsulated 53.8mm 28.8mm 23.5mm 60g 76% +70°C
RS-stocknr. 161-8268
FabrikantRS PRO
€ 59,24
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Aantal stuks
27.6V dc - 5A 140W 2 195 → 253V ac Chassis Mount Enclosed 200mm 110mm 50mm 900g - +45°C
RS-stocknr. 671-6708
FabrikantRS PRO
€ 20,40
Each
Aantal stuks
15V dc - 700mA 10W 1 120 → 370 V dc, 85 → 264 V ac PCB Mount Encapsulated 53.5mm 28.5mm 19mm 50g - +70°C
RS-stocknr. 181-2196
FabrikantRS PRO
€ 5,59
Each
Aantal stuks
15V dc - 200mA 3W 1 100 → 370 V dc, 85 → 264 V ac PCB Mount Encapsulated 37mm 24.5mm 18mm 25g 77% +70°C
RS-stocknr. 181-2112
FabrikantRS PRO
€ 3,63
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Aantal stuks
24V dc - 125mA 3W 1 70 → 420 V dc, 85 → 305 V ac PCB Mount Open Frame 35mm 11mm 18mm 6g 77% +85°C
RS-stocknr. 144-6286
FabrikantRS PRO
€ 20,28
Each
Aantal stuks
24V dc - 625mA 15W 1 264 V ac, 370 V dc PCB Mount Encapsulated 70mm 48mm 23.5mm 85g - +70°C
RS-stocknr. 161-8248
FabrikantRS PRO
€ 17,65
Each
Aantal stuks
12V dc - 3.7A 44W 1 90 → 264V ac Chassis Mount Open Frame 101.6mm 51mm 30.5mm - 82% +60°C
RS-stocknr. 181-3255
FabrikantRS PRO
€ 25,63
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 161-8241
FabrikantRS PRO
€ 174,59
Each
Aantal stuks
36V dc - 17.5A 630W 1 90 → 264V ac Chassis Mount Enclosed 218mm 116.5mm 41mm - 90% +70°C
RS-stocknr. 144-6266
FabrikantRS PRO
€ 29,57
Each
Aantal stuks
12V dc - 1.25A 15W 1 264 V ac, 370 V dc Chassis Mount Encapsulated 96.1mm 54mm 31mm 135g 80 % @ 230 +70°C
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