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. 829-6391
FabrikantnummerTUNS100F12
FabrikantCosel
€ 143,68
Each
Aantal stuks
12 V dc - 8.4A 100.8W 1 85 → 264V ac Chassis Mount Encapsulated 61mm 12.7mm 58.4mm 120g 85% +100°C
RS-stocknr. 183-0054
FabrikantnummerLPT45
€ 50,37
Each
Aantal stuks
±15 V dc, 5 V dc - 2.5 A, 5 A, 700 mA 40W 3 85 → 264 V ac, 120 → 300 V dc Chassis Mount Open Frame 127mm 76.2mm 29mm 230g 70% +50°C
RS-stocknr. 621-0685
FabrikantnummerRS-150-24
FabrikantMean Well
€ 29,76
Each
Aantal stuks
24 V dc - 6.5A 156W 1 88 → 132 V ac, 176 → 264 V ac, 248 → 373 V dc Chassis Mount Enclosed 199mm 98mm 38mm 700g 86% +70°C
RS-stocknr. 706-6246
FabrikantnummerTXL 015-05S
FabrikantTRACOPOWER
€ 28,17
Each
Aantal stuks
5 V dc TXL 3A 15W 1 85 → 264V ac Chassis Mount Enclosed 76mm 51mm 28mm 130g 70 → 84% +70°C
RS-stocknr. 770-3254
FabrikantnummerTXM 015-124
FabrikantTRACOPOWER
€ 20,75
Each
Aantal stuks
24 V dc - 700mA 15W 1 90 → 264V ac Chassis Mount Enclosed 79mm 51mm 29mm 165g 85% +70°C
RS-stocknr. 770-3302
FabrikantnummerTXM 050-124
FabrikantTRACOPOWER
€ 33,60
Each
Aantal stuks
24 V dc - 2.2A 50W 1 90 → 264V ac Chassis Mount Enclosed 99mm 82mm 35mm 260g 88% +70°C
RS-stocknr. 770-3242
FabrikantnummerTXM 015-112
FabrikantTRACOPOWER
€ 20,75
Each
Aantal stuks
12 V dc - 1.3A 15W 1 90 → 264V ac Chassis Mount Enclosed 79mm 51mm 29mm 165g 82% +70°C
RS-stocknr. 621-0613
FabrikantnummerRS-50-24
FabrikantMean Well
€ 17,24
Each
Aantal stuks
24 V dc - 2.2A 52.8W 1 88 → 264 V ac, 125 → 373 V dc Chassis Mount Enclosed 99mm 97mm 36mm 410g 88% +70°C
RS-stocknr. 815-7472
FabrikantnummerRSP-500-24RS
FabrikantMean Well
€ 108,60
Each
Aantal stuks
24 V dc - 21A 504W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 230mm 127mm 40.5mm 1.3kg 89% +70°C
RS-stocknr. 770-3248
FabrikantnummerTXM 015-105
FabrikantTRACOPOWER
€ 20,75
Each
Aantal stuks
5 V dc - 3A 15W 1 90 → 264V ac Chassis Mount Enclosed 79mm 51mm 29mm 165g 78% +70°C
RS-stocknr. 680-2802
FabrikantnummerLS100-24
FabrikantTDK-Lambda
€ 39,92
Each
Aantal stuks
24 V dc - 4.5A 100W 1 88 → 264 V ac, 125 → 373 V dc Chassis Mount Enclosed 6.3in 3.8in 1.5in 600g 86% +70°C
RS-stocknr. 753-8032
FabrikantnummerO/P 1
FabrikantVox Power
€ 78,86
Each
Aantal stuks
1.5 → 7.5V O/P 1 25A 125W 1 - Rack Mount Open Frame 60mm 35mm 17mm 60g - +85°C
RS-stocknr. 106-5854
FabrikantnummerLRS-150F-48RS
FabrikantMean Well
€ 42,12
Each
Aantal stuks
48 V dc - 3.3A 158W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 159mm 97mm 30mm 480g 90% +70°C
RS-stocknr. 413-673
FabrikantnummerRS-15-5
FabrikantMean Well
€ 11,74
Each
Aantal stuks
5 V dc - 3A 15W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 62.5mm 51mm 28mm 130g 77% +70°C
RS-stocknr. 183-0098
FabrikantnummerLPS65
€ 65,11
Each
Aantal stuks
24 V dc - 2.5A 60W 1 85 → 264 V ac, 120 → 300 V dc Chassis Mount Open Frame 127mm 76.2mm 42.9mm 340g 70% +50°C
RS-stocknr. 183-0010
FabrikantnummerLPT42
€ 50,37
Each
Aantal stuks
±12 V dc, 5 V dc - 2.5 A, 5 A, 700 mA 40W 3 85 → 264 V ac, 120 → 300 V dc Chassis Mount Open Frame 127mm 76.2mm 29mm 230g 70% +50°C
RS-stocknr. 786-4729
FabrikantRS PRO
€ 13,11
Each
Aantal stuks
5 V dc - 1A 5W 1 85 → 264 V ac, 100 → 400 V dc PCB Mount Encapsulated 42mm 11mm 24mm 10g 70% +85°C
RS-stocknr. 106-5832
FabrikantnummerLRS-50-24
FabrikantMean Well
€ 22,46
Each
Aantal stuks
24 V dc - 2.2A 52.8W 1 85 → 264 V ac, 120 → 373 V dc Chassis Mount Enclosed 99mm 82mm 30mm 230g 88% +70°C
RS-stocknr. 106-5825
FabrikantnummerLRS-35-24
FabrikantMean Well
€ 19,65
Each
Aantal stuks
24 V dc - 1.5A 36W 1 85 → 264 V ac, 120 → 373 V dc Chassis Mount Enclosed 99mm 82mm 30mm 230g 88% +70°C
RS-stocknr. 706-6319
FabrikantnummerTXH 240-124
FabrikantTRACOPOWER
€ 115,10
Each
Aantal stuks
24 V dc TXH 10A 240W 1 90 → 264 V ac, 120 → 370 V dc Rack Mount Enclosed 150mm 106mm 35mm 580g 92% +70°C