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 Input Voltage Number of Outputs Mounting Type Package Type Length Width Depth Ripple And Noise Load Regulation Weight
RS-stocknr. 771-9385
FabrikantRS PRO
€ 8,90
Each
Aantal stuks
24 V dc - 125mA 3W 85 264 V ac, 100 400 V dc 1 PCB Mount Ultra-Miniature 35mm 24mm 11mm - - -
RS-stocknr. 678-3827
FabrikantnummerSP-320-5
FabrikantMean Well
€ 85,06
Each
Aantal stuks
5 V dc - 55A 275W 88 264 V ac, 124 370 V dc 1 Chassis Mount Enclosed 215mm 115mm 50mm - - 1.1kg
RS-stocknr. 106-5832
FabrikantnummerLRS-50-24RS
FabrikantMean Well
€ 23,54
Each
Aantal stuks
24 V dc - 2.2A 52.8W 85 → 264 V ac, 120 → 373 V dc 1 Chassis Mount Enclosed 99mm 82mm 30mm - - 230g
RS-stocknr. 786-4729
FabrikantRS PRO
€ 12,71
Each
Aantal stuks
5 V dc - 1A 5W 85 264 V ac, 100 400 V dc 1 PCB Mount Encapsulated 42mm 11mm 24mm - - 10g
RS-stocknr. 621-0641
FabrikantnummerRS-75-24
FabrikantMean Well
€ 20,42
Each
Aantal stuks
24 V dc - 3.2A 76.8W 88 → 264 V ac, 125 → 373 V dc 1 Chassis Mount Enclosed 129mm 97mm 38mm - - 410g
RS-stocknr. 466-6840
FabrikantnummerTXL 035-0512D
FabrikantTRACOPOWER
€ 50,55
Each
Aantal stuks
5/12 V dc - 2.5 A, 4 A 35W 85 264V ac 2 Chassis Mount Enclosed 109mm 82mm 35mm - - 300g
RS-stocknr. 449-3125
FabrikantnummerTXL 025-24S
FabrikantTRACOPOWER
€ 31,62
Each
Aantal stuks
24 V dc - 1.1A 25W 85 264V ac 1 Chassis Mount Enclosed 93mm 51mm 28.5mm - - 190g
RS-stocknr. 644-8278
FabrikantnummerPSP-600-24
FabrikantMean Well
€ 176,42
Each
Aantal stuks
24 V dc - 25A 600W 88 → 264 V ac, 124 → 370 V dc 1 Chassis Mount Enclosed 170mm 120mm 93mm - - 1.9kg
RS-stocknr. 644-8127
FabrikantnummerSP-200-24
FabrikantMean Well
€ 68,72
Each
Aantal stuks
24 V dc - 8.4A 201.6W 85 264 V ac, 120 370 V dc 1 Chassis Mount Enclosed 199mm 99mm 50mm - - 850g
RS-stocknr. 106-5846
FabrikantnummerLRS-100-24RS
FabrikantMean Well
€ 31,82
Each
Aantal stuks
24 V dc - 4.5A 108W 85 → 264 V ac, 120 → 373 V dc 1 Chassis Mount Enclosed 129mm 97mm 30mm - - 340g
RS-stocknr. 621-0584
FabrikantnummerRS-25-24
FabrikantMean Well
€ 13,25
Each
Aantal stuks
24 V dc - 1.1A 26W 88 → 264 V ac, 125 → 373 V dc 1 Chassis Mount Enclosed 78mm 51mm 28mm - - 200g
RS-stocknr. 466-6878
FabrikantnummerTXL 035-1515D
FabrikantTRACOPOWER
€ 51,46
Each
Aantal stuks
±15 V dc - 1.5 A, 2.4 A 35W 85 264V ac 2 Chassis Mount Enclosed 109mm 82mm 35mm - - 300g
RS-stocknr. 621-0679
FabrikantnummerRS-100-24
FabrikantMean Well
€ 52,38
Each
Aantal stuks
24 V dc - 4.5A 108W 88 → 264 V ac, 125 → 373 V dc 1 Chassis Mount Enclosed 159mm 97mm 38mm - - 600g
RS-stocknr. 745-1256
FabrikantnummerTXL 230-24S
FabrikantTRACOPOWER
€ 131,00
Each
Aantal stuks
24 V dc - 9.6A 230W 85 264V ac 1 Chassis Mount Enclosed 210mm 99mm 45mm - - 880g
RS-stocknr. 183-0111
FabrikantnummerLPT62
€ 66,73
Each
Aantal stuks
5/±12 V dc - 1 A, 3.5 A, 8 A 60W 85 264 V ac, 120 300 V dc 3 Chassis Mount Open Frame 127mm 76.2mm 42.9mm - - 340g
RS-stocknr. 901-1428
FabrikantnummerRAC02-12SE/277/W
FabrikantRecom
€ 14,89
Each
Aantal stuks
12 V dc - 167mA 2W 85 305 V ac, 120 430 V dc 1 Chassis Mount Encapsulated 33.7mm 22.2mm 17.75mm - - 25g
RS-stocknr. 678-3818
FabrikantnummerSP-100-27
FabrikantMean Well
€ 52,81
Each
Aantal stuks
27 V dc - 3.8A 102.6W 85 → 264 V ac, 120 → 370 V dc 1 Chassis Mount Enclosed 179mm 99mm 45mm - - 660g
RS-stocknr. 603-1072
FabrikantnummerPBA30F-9-N
FabrikantCosel
€ 55,57
Each
Aantal stuks
9 V dc - 3.4A 30.6W 85 264 V ac, 110 370 V dc 1 Chassis Mount Enclosed 119.5mm 34.5mm 78mm - - 270g
RS-stocknr. 122-7043
FabrikantnummerECM100US09
FabrikantXP Power
€ 73,13
Each
Aantal stuks
9 V dc - 11.1A 100W 90 264 V ac, 120 370 V dc 1 Chassis Mount Open Frame 114.3mm 63.5mm 27mm - - 180g
RS-stocknr. 680-2754
FabrikantnummerLS50-24
FabrikantTDK-Lambda
€ 27,04
Each
Aantal stuks
24 V dc - 2.2A 50W 88 264 V ac, 125 373 V dc 1 Chassis Mount Enclosed 3.9in 3.8in 1.4in - - 350g
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