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. 678-3754
FabrikantnummerRS-35-15
FabrikantMean Well
€ 18,47
Each
Aantal stuks
15 V dc - 2.4A 36W 88 → 264 V ac, 125 → 373 V dc 1 Chassis Mount Enclosed 99mm 82mm 36mm - - 300g
RS-stocknr. 777-2894
FabrikantnummerRSP-200-48
FabrikantMean Well
€ 63,97
Each
Aantal stuks
48 V dc - 4.2A 201.6W 88 264 V ac, 124 370 V dc 1 Chassis Mount Enclosed 215mm 115mm 30mm - - 720g
RS-stocknr. 106-5839
FabrikantnummerLRS-75-36RS
FabrikantMean Well
€ 27,96
Each
Aantal stuks
36 V dc - 2.1A 75.6W 85 264 V ac, 120 373 V dc 1 Chassis Mount Enclosed 99mm 97mm 30mm - - 300g
RS-stocknr. 777-5045
FabrikantnummerZPSA100-12
FabrikantTDK-Lambda
€ 120,64
Each
Aantal stuks
12 V dc - 8.4A 100W 90 264 V ac, 120 370 V dc 1 Chassis Mount Open Frame 127mm 76.2mm 26.6mm - - 385g
RS-stocknr. 771-9411
FabrikantRS PRO
€ 11,89
Each
Aantal stuks
24 V dc - 83mA 2W 85 305 V ac, 120 430 V dc 1 PCB Mount Encapsulated 33.7mm 22.2mm 18mm - - 20g
RS-stocknr. 664-1515
FabrikantnummerTMP 30512C
FabrikantTRACOPOWER
€ 75,98
Each
Aantal stuks
5/±12 V dc - 3 A, 600 mA 30W 85 264 V ac, 120 370 V dc 3 Chassis Mount Encapsulated 112mm 63.8mm 25.6mm - - 191g
RS-stocknr. 680-2852
FabrikantnummerSWS1000L-24
FabrikantTDK-Lambda
€ 587,60
Each
Aantal stuks
24 V dc - 44A 1kW 85 265 V ac, 120 350 V dc 1 Chassis Mount Enclosed 9.45in 5.91in 2.4in - - 2.3kg
RS-stocknr. 635-2177
FabrikantnummerHWS300-24
FabrikantTDK-Lambda
€ 281,84
Each
Aantal stuks
24 V dc - 14A 336W 85 265 V ac, 120 330 V dc 1 Chassis Mount Enclosed 6.5in 3.23in 2.4in - - 1kg
RS-stocknr. 122-7073
FabrikantnummerECM40UT31
FabrikantXP Power
€ 48,71
Each
Aantal stuks
5/±12 V dc - 2 A, 6 A, 500 mA 40W 90 264 V ac, 120 370 V dc 3 Chassis Mount Open Frame 101.6mm 50.8mm 27mm - - 150g
RS-stocknr. 413-649
FabrikantnummerRQ-85D
FabrikantMean Well
€ 62,64
Each
Aantal stuks
5/±12/24 V dc - 1 A, 2 A, 6 A, 500 mA 84W 88 → 264 V ac, 125 → 373 V dc 4 Chassis Mount Enclosed 159mm 97mm 38mm - - 600g
RS-stocknr. 664-1461
FabrikantnummerTMP 15105C
FabrikantTRACOPOWER
€ 44,06
Each
Aantal stuks
5 V dc - 3A 15W 85 264 V ac, 120 370 V dc 1 Chassis Mount Encapsulated 96mm 54mm 23.3mm - - 162g
RS-stocknr. 177-876
FabrikantnummerHWS1500-48
FabrikantTDK-Lambda
€ 1.198,08
Each
Aantal stuks
48 V dc - 32A 1.5kW 85 265 V ac, 120 330 V dc 1 Chassis Mount Enclosed 11in 3.25in 5in - - 3.8kg
RS-stocknr. 124-4726
FabrikantnummerKWS-15A-5
FabrikantTDK-Lambda
€ 33,34
Each
Aantal stuks
5 V dc - 3A 15W 85 265 V ac, 120 370 V dc 1 PCB Mount Encapsulated 50.8mm 25.4mm 24mm - - 60g
RS-stocknr. 434-2667
FabrikantnummerTML 15215C
FabrikantTRACOPOWER
€ 59,33
Each
Aantal stuks
±15 V dc - 500mA 15W 85 264 V ac, 85 370 V dc 2 Chassis Mount Encapsulated 96mm 54mm 26.5mm - - 150g
RS-stocknr. 106-5851
FabrikantnummerLRS-150F-15RS
FabrikantMean Well
€ 46,66
Each
Aantal stuks
15 V dc - 10A 150W 85 → 264 V ac, 120 → 370 V dc 1 Chassis Mount Enclosed 159mm 97mm 30mm - - 480g
RS-stocknr. 177-832
FabrikantnummerHWS600-48
FabrikantTDK-Lambda
€ 400,40
Each
Aantal stuks
48 V dc - 13A 624W 85 265 V ac, 120 330 V dc 1 Chassis Mount Enclosed 6.5in 3.23in 3.94in - - 1.6kg
RS-stocknr. 813-9042
FabrikantnummerHWS-50A-15/A
FabrikantTDK-Lambda
€ 59,59
Each
Aantal stuks
15 V dc - 3.5A 50W 85 265 V ac, 120 370 V dc 1 Chassis Mount Enclosed 82mm 26.5mm 120mm - - 280g
RS-stocknr. 124-4663
FabrikantnummerRPS-400-12-TF
FabrikantMean Well
€ 151,80
Each
Aantal stuks
12 V dc - 33.3A 249.6W 80 → 264 V ac, 113 → 370 V dc 1 Chassis Mount Enclosed 130mm 86.6mm 66.5mm - - 580g
RS-stocknr. 122-7601
FabrikantnummerECP180PS48
FabrikantXP Power
€ 106,46
Each
Aantal stuks
48 V dc - 3.75A 180W 85 264V ac 1 Chassis Mount Open Frame 101.6mm 50.8mm 22.9mm - - 230g
RS-stocknr. 739-8310
FabrikantnummerRAC01-05SC
FabrikantRecom
€ 12,05
Each
Aantal stuks
5 V dc - 200mA 1W 90 277V ac 1 PCB Mount Encapsulated 33.7mm 22.2mm 17.75mm - - 25g
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