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. 106-5881
FabrikantnummerHEP-150-36A
FabrikantMean Well
€ 73,21
Each
Aantal stuks
36 V dc - 4.2A 151W 1 90 → 305 V ac, 127 → 431 V dc Chassis Mount Enclosed 228mm 68mm 38.8mm 1.2kg 93.5% +70°C
RS-stocknr. 122-7643
FabrikantnummerGCS350PS24
FabrikantXP Power
€ 126,62
Each
Aantal stuks
24 V dc - 14.6A 350W 1 85 → 264V ac Chassis Mount Open Frame 127mm 76.2mm 36.3mm 290g - +70°C
RS-stocknr. 122-6597
FabrikantnummerEML15US48-S
FabrikantXP Power
€ 46,45
Each
Aantal stuks
48 V dc - 320mA 15W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Encapsulated 84mm 34.5mm 26.4mm 110g - +70°C
RS-stocknr. 185-6065
FabrikantnummerPBR650PS24C
FabrikantXP Power
€ 279,50
Each
Aantal stuks
24 V dc PBR650 27.09 A, 30 A 650W 1 80 → 264V ac Chassis Mount - 203.2mm 101.6mm 65.5mm 2kg 90% +70°C
RS-stocknr. 135-8923
FabrikantnummerIRM-05-5
FabrikantMean Well
€ 7,18
Each
Aantal stuks
5 V dc IRM-05 1A 5W 1 85 → 264 V ac, 120 → 370 V dc PCB Mount Encapsulated 45.7mm 25.4mm 21.5mm 40g - +70°C
RS-stocknr. 122-7003
FabrikantnummerCU15-10
FabrikantXP Power
€ 33,82
Each
Aantal stuks
5 V dc - 3A 15W 1 85 → 264 V ac, 120 → 370 V dc PCB Mount Open Frame 69.9mm 48mm 23mm 80g - +65°C
RS-stocknr. 123-2780
FabrikantnummerTMG 07112
FabrikantTRACOPOWER
€ 29,11
Each
Aantal stuks
12 V dc - 583mA 7W 1 90 → 264 V ac, 120 → 370 V dc PCB Mount Encapsulated 27.4mm 10.2mm 18.7mm 26g 80% +70°C
RS-stocknr. 183-4072
FabrikantnummerRAC20-12SK
FabrikantRecom
€ 164,57
1 Tube of 15
Tube(s)
12 V dc RAC20-K 1.67A 20W 1 85 → 264V ac PCB Mount - 52.5mm 27.4mm 23mm 60g 86% +85°C
RS-stocknr. 176-3456
FabrikantnummerMSP-1000-48
FabrikantMean Well
€ 232,40
Each
Aantal stuks
48 V dc - 21A 1.008kW 1 90 → 264 V ac, 127 → 370 V dc Chassis Mount Enclosed 218mm 105mm 63.5mm 1.5kg - +70°C
Nieuw
RS-stocknr. 216-5915
FabrikantnummerTXLN 750-148
FabrikantTRACOPOWER
€ 333,35
Each
Aantal stuks
48 V dc TXLN 15.8A 750W 1 90 → 264V ac - Enclosed - - - - - -
RS-stocknr. 131-1727
FabrikantnummerLFA75F-36-SNY
FabrikantCosel
€ 66,03
Each
Aantal stuks
36 V dc - 2.1A 75.6W 1 85 → 264V ac Chassis Mount Enclosed 180mm 60mm 45mm 440g 84.5% +70°C
RS-stocknr. 837-1404
FabrikantnummerLFWLP225-1001
FabrikantEOS
€ 122,96
Each
Aantal stuks
12 V dc - 18.75A 225W 1 85 → 264 V ac, 390 V dc Chassis Mount Open Frame 101.6mm 50.8mm 25.4mm 200g 92% +70°C
RS-stocknr. 161-8226
FabrikantRS PRO
€ 61,67
Each
Aantal stuks
24 V dc - 10A 240W 1 85 → 264V ac Chassis Mount Enclosed 199mm 99mm 50mm - - +75°C
RS-stocknr. 771-0782
FabrikantnummerLFWLT60-3002
FabrikantEOS
€ 79,11
Each
Aantal stuks
5.2 V dc, 14.6 V dc - 2.5 A, 8 A, 500 mA 60W 3 90 → 264V ac Chassis Mount Open Frame 101.6mm 50.8mm 30.48mm 150g 85% +70°C
RS-stocknr. 122-7872
FabrikantnummerVCS50US05
FabrikantXP Power
€ 21,12
Each
Aantal stuks
5 V dc - 8A 40W 1 85 → 264 V ac, 127 → 370 V dc Chassis Mount Enclosed 110.5mm 78mm 35mm 250g 79% +70°C
Nieuw
RS-stocknr. 216-5919
FabrikantnummerTXLN 960-148
FabrikantTRACOPOWER
€ 367,25
Each
Aantal stuks
48 V dc TXLN 20A 960W 1 90 → 264V ac - Enclosed - - - - - -
Nieuw
RS-stocknr. 209-5800
FabrikantnummerCUS600M-28/EF
FabrikantTDK-Lambda
€ 210,86
Each
Aantal stuks
28 V CUS600M 14.3A 600W 1 85 - 265V ac - Enclosed - - - - - -
RS-stocknr. 136-9207
FabrikantnummerRAC150-48SG/OF
FabrikantRecom
€ 58,46
Each
Aantal stuks
48 V dc - 3.125A 150W 1 90 → 264V ac Surface Mount Open Frame 101.6mm 50.8mm 30mm 200g 91% +70°C
RS-stocknr. 122-6596
FabrikantnummerEML15US48-E
FabrikantXP Power
€ 40,87
Each
Aantal stuks
48 V dc - 320mA 15W 1 85 → 264 V ac, 120 → 370 V dc PCB Mount Encapsulated 65mm 33.3mm 24.4mm 90g - +70°C
RS-stocknr. 144-6312
FabrikantnummerRAC04-12SGA
FabrikantRecom
€ 9,51
Each
Aantal stuks
12 V dc - 330mA 4W 1 305 V ac, 430 V dc PCB Mount Encapsulated 37mm 24mm 15mm 20g 78% +70°C