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. 418-2285
FabrikantnummerTXL 060-0522TI
FabrikantTRACOPOWER
€ 76,59
Each
Aantal stuks
±12 V dc, 5 V dc - 1 A, 3.5 A, 7 A 60W 3 85 → 264 V ac, 120 → 375 V dc Chassis Mount Enclosed 169mm 95mm 38mm 700g 70 → 84% +70°C
RS-stocknr. 678-3748
FabrikantnummerRS-15-15
FabrikantMean Well
€ 11,74
Each
Aantal stuks
15 V dc - 1A 15W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 62.5mm 51mm 28mm 130g 81% +70°C
RS-stocknr. 621-0635
FabrikantnummerRS-75-12
FabrikantMean Well
€ 22,53
Each
Aantal stuks
12 V dc - 6A 72W 1 88 → 264 V ac, 125 → 373 V dc Chassis Mount Enclosed 129mm 97mm 38mm 410g 84.5% +70°C
RS-stocknr. 122-7046
FabrikantnummerECM100US12
FabrikantXP Power
€ 75,53
Each
Aantal stuks
12 V dc - 8.3A 100W 1 90 → 264 V ac, 120 → 370 V dc Chassis Mount Open Frame 114.3mm 63.5mm 27mm 180g - +70°C
RS-stocknr. 124-5538
FabrikantnummerRAC20-24SN
FabrikantRecom
€ 29,96
Each
Aantal stuks
24 V dc - 833mA 20W 1 90 → 264 V ac, 120 → 370 V dc PCB Mount Encapsulated 52.5mm 27.5mm 23.5mm 62g 83% +70°C
RS-stocknr. 706-6158
FabrikantnummerTML 20215C
FabrikantTRACOPOWER
€ 55,71
Each
Aantal stuks
±15 V dc - 667mA 20W 2 90 → 264 V ac, 100 → 375 V dc Chassis Mount Encapsulated 96mm 54.6mm 27.6mm 155g 75 → 84% +60°C
RS-stocknr. 122-7577
FabrikantnummerVFT150PS12
FabrikantXP Power
€ 63,79
Each
Aantal stuks
12 V dc - 12.5A 150W 1 90 → 264V ac Chassis Mount Open Frame 127mm 76.2mm 33.1mm 340g 87% +70°C
RS-stocknr. 644-7089
FabrikantnummerRD-50B
FabrikantMean Well
€ 37,71
Each
Aantal stuks
5 V dc, 24 V dc - 1.4 A, 4 A 53.6W 2 88 → 264 V ac, 125 → 373 V dc Chassis Mount Enclosed 99mm 97mm 36mm 410g 80% +70°C
RS-stocknr. 777-3106
FabrikantnummerEPS-15-12
FabrikantMean Well
€ 16,19
Each
Aantal stuks
12 V dc - 1.25A 15W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Open Frame 63.5mm 45.7mm 24mm 57g 82% +70°C
RS-stocknr. 396-1885
FabrikantnummerLFVLT80-4000
FabrikantEOS
€ 115,10
Each
Aantal stuks
±12 V dc, ±5 V dc - 3 A, 10 A, 800 mA 80W 4 90 → 264V ac Chassis Mount Open Frame 127mm 77.2mm 27.25mm 250g 85% +50°C
RS-stocknr. 818-7376
FabrikantnummerAE-1500-24
FabrikantCOTEK
€ 675,81
Each
Aantal stuks
24 V dc - 62.5A 1.5kW 1 90 → 264 V ac, 127 → 370 V dc Rack Mount Enclosed 127mm 63.5mm 280mm 2.6kg 92% +60°C
RS-stocknr. 839-9620
FabrikantnummerRWS-50B-24
FabrikantTDK-Lambda
€ 30,20
Each
Aantal stuks
24 V dc - 2.2A 52.8W 1 85 → 265 V ac, 120 → 370 V dc Chassis Mount Enclosed 82mm 81.5mm 34mm 230g 86/87% +70°C
RS-stocknr. 413-667
FabrikantnummerRS-15-12
FabrikantMean Well
€ 11,74
Each
Aantal stuks
12 V dc - 1.3A 15.6W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 62.5mm 51mm 28mm 130g 81% +70°C
RS-stocknr. 674-1665
FabrikantnummerRSP-3000-24
FabrikantMean Well
€ 618,13
Each
Aantal stuks
24 V dc - 125A 3kW 1 180 → 264 V ac, 254 → 370 V dc Chassis Mount Enclosed 278mm 177.8mm 63.5mm 4kg 90% +70°C
RS-stocknr. 621-0578
FabrikantnummerRS-25-12
FabrikantMean Well
€ 13,38
Each
Aantal stuks
12 V dc - 2.1A 25W 1 88 → 264 V ac, 125 → 373 V dc Chassis Mount Enclosed 78mm 51mm 28mm 200g 81.5% +70°C
RS-stocknr. 621-0590
FabrikantnummerRS-35-12
FabrikantMean Well
€ 17,20
Each
Aantal stuks
12 V dc - 3A 36W 1 88 → 264 V ac, 125 → 373 V dc Chassis Mount Enclosed 99mm 82mm 36mm 300g 84.5% +70°C
RS-stocknr. 770-4061
FabrikantnummerRSP-750-24RS
FabrikantMean Well
€ 239,63
Each
Aantal stuks
24 V dc - 31.3A 751W 1 90 → 264 V ac, 127 → 370 V dc Chassis Mount Enclosed 250mm 127mm 41mm 1.6kg 90.5% +70°C
RS-stocknr. 711-2614
FabrikantRS PRO
€ 50,02
Each
Aantal stuks
12 V dc - 3A 36W 1 88 → 264V ac Chassis Mount Enclosed 78mm 51mm 28mm 180g 86% +71°C
RS-stocknr. 778-2576
FabrikantnummerLCM1500Q-T
€ 522,26
Each
Aantal stuks
24 V dc - 67A 1.5kW 1 90 → 264V ac Chassis Mount Enclosed 264.7mm 132mm 61mm 1.9kg - +70°C
RS-stocknr. 106-5838
FabrikantnummerLRS-75-24
FabrikantMean Well
€ 25,27
Each
Aantal stuks
24 V dc - 3.2A 76.8W 1 85 → 264 V ac, 120 → 373 V dc Chassis Mount Enclosed 99mm 97mm 30mm 300g 90% +70°C