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. 839-9620
FabrikantnummerRWS-50B-24
FabrikantTDK-Lambda
€ 31,78
Each
Aantal stuks
24 V dc - 2.2A 52.8W 85 265 V ac, 120 370 V dc 1 Chassis Mount Enclosed 82mm 81.5mm 34mm - - 230g
RS-stocknr. 122-7046
FabrikantnummerECM100US12
FabrikantXP Power
€ 73,12
Each
Aantal stuks
12 V dc - 8.3A 100W 90 264 V ac, 120 370 V dc 1 Chassis Mount Open Frame 114.3mm 63.5mm 27mm - - 180g
RS-stocknr. 644-7089
FabrikantnummerRD-50B
FabrikantMean Well
€ 37,34
Each
Aantal stuks
5/24 V dc - 1.4 A, 4 A 53.6W 88 → 264 V ac, 125 → 373 V dc 2 Chassis Mount Enclosed 99mm 97mm 36mm - - 410g
RS-stocknr. 706-6158
FabrikantnummerTML 20215C
FabrikantTRACOPOWER
€ 59,44
Each
Aantal stuks
±15 V dc - 667mA 20W 90 264 V ac, 100 375 V dc 2 Chassis Mount Encapsulated 96mm 54.6mm 27.6mm - - 155g
RS-stocknr. 665-5732
FabrikantnummerTOP 100-112
FabrikantTRACOPOWER
€ 64,59
Each
Aantal stuks
12 V dc - 8.3A 100W 90 132 V ac, 187 264 V ac 1 Chassis Mount Open Frame 101.6mm 50.8mm 31.8mm - - 140g
RS-stocknr. 770-4061
FabrikantnummerRSP-750-24RS
FabrikantMean Well
€ 237,26
Each
Aantal stuks
24 V dc - 31.3A 751W 90 264 V ac, 127 370 V dc 1 Chassis Mount Enclosed 250mm 127mm 41mm - - 1.6kg
RS-stocknr. 815-7413
FabrikantnummerRSP-75-7.5RS
FabrikantMean Well
€ 49,42
Each
Aantal stuks
7.5 V dc - 10A 75W 85 264 V ac, 120 370 V dc 1 Chassis Mount Enclosed 159mm 97mm 30mm - - 440g
RS-stocknr. 418-2336
FabrikantnummerTXL 100-24S
FabrikantTRACOPOWER
€ 78,23
Each
Aantal stuks
24 V dc - 4.3A 103W 85 264V ac 1 Chassis Mount Enclosed 208mm 95mm 38mm - - 800g
RS-stocknr. 754-1211
FabrikantnummerLFWLT300-1005
FabrikantEOS
€ 102,40
Each
Aantal stuks
30 V dc - 6A 300W 90 264V ac 1 Chassis Mount Open Frame 5in 3in 1.5in - - 370g
RS-stocknr. 813-9077
FabrikantnummerHWS-150A-5/A
FabrikantTDK-Lambda
€ 108,37
Each
Aantal stuks
5 V dc - 30A 150W 85 265 V ac, 120 370 V dc 1 Chassis Mount Enclosed 82mm 37mm 160mm - - 500g
RS-stocknr. 106-5836
FabrikantnummerLRS-75-12RS
FabrikantMean Well
€ 30,02
Each
Aantal stuks
12 V dc - 6A 72W 85 → 264 V ac, 120 → 373 V dc 1 Chassis Mount Enclosed 99mm 97mm 30mm - - 300g
RS-stocknr. 418-2342
FabrikantnummerTXL 100-0512DI
FabrikantTRACOPOWER
€ 93,35
Each
Aantal stuks
5/12 V dc - 7 A, 12 A 100W 85 264V ac 2 Chassis Mount Enclosed 208mm 95mm 38mm - - 800g
RS-stocknr. 711-2614
FabrikantRS PRO
€ 47,58
Each
Aantal stuks
12 V dc - 3A 36W 88 264V ac 1 Chassis Mount Enclosed 78mm 51mm 28mm - - 180g
RS-stocknr. 377-6845
FabrikantnummerLFVLT40-3200
FabrikantEOS
€ 54,58
Each
Aantal stuks
5.2/12.5/12.8 V dc - 2 A, 6 A, 500 mA 40W 90 132 V ac, 180 264 V ac 3 Chassis Mount Open Frame 101.6mm 50.8mm 27.18mm - - 150g
RS-stocknr. 680-2827
FabrikantnummerLS150-24
FabrikantTDK-Lambda
€ 45,76
Each
Aantal stuks
24 V dc - 6.5A 150W 248 273V dc 1 Chassis Mount Enclosed 7.8in 3.9in 1.5in - - 700g
RS-stocknr. 778-2576
FabrikantnummerLCM1500Q-T
€ 517,09
Each
Aantal stuks
24 V dc - 67A 1.5kW 90 264V ac 1 Chassis Mount Enclosed 264.7mm 132mm 61mm - - 1.9kg
RS-stocknr. 706-3569
FabrikantnummerLM1601-9RG
€ 542,80
Each
Aantal stuks
24 V dc - 2A 50W 85 264 V ac, 88 372 V dc 1 Chassis Mount Enclosed 168.5mm 111.2mm 38.7mm - - 770g
RS-stocknr. 627-3850
FabrikantnummerXG7
FabrikantExcelsys
€ 132,77
Each
Aantal stuks
28 V dc - 5A 120W 85 264 V ac, 120 380 V dc 1 PCB Mount Enclosed 269.75mm 127mm 40.4mm - - 100g
RS-stocknr. 816-3904
FabrikantnummerRST-5000-48
FabrikantMean Well
€ 1.949,07
Each
Aantal stuks
48 V dc - 105A 5kW 196 → 305 V ac, 340 → 530 V ac 1 Chassis Mount Enclosed 460mm 211mm 83.5mm - - 10kg
RS-stocknr. 754-1381
FabrikantnummerTMPM 04215
FabrikantTRACOPOWER
€ 18,76
Each
Aantal stuks
±15 V dc - 133mA 4W 85 264 V ac, 120 370 V dc 2 PCB Mount Encapsulated 36.5mm 27mm 17.1mm - - 26g
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