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. 122-7829
FabrikantnummerHDS800PS30
FabrikantXP Power
€ 396,07
Each
Aantal stuks
30 V dc - 26.7A 800W 90 264 V ac, 127 370 V dc 1 Chassis Mount Enclosed 249mm 127mm 40.9mm - - 1.8kg
RS-stocknr. 192-1087
FabrikantnummerLPT22
€ 35,99
Each
Aantal stuks
5/±12 V dc - 2 A, 4 A, 700 mA 25W 85 264 V ac, 120 300 V dc 3 Chassis Mount Open Frame 127mm 76.2mm 29mm - - 230g
RS-stocknr. 770-3315
FabrikantnummerTXM 075-124
FabrikantTRACOPOWER
€ 37,80
Each
Aantal stuks
24 V dc - 3.2A 75W 90 264V ac 1 Chassis Mount Enclosed 129mm 99mm 38mm - - 380g
RS-stocknr. 770-3321
FabrikantnummerTXH 480-124
FabrikantTRACOPOWER
€ 283,00
Each
Aantal stuks
24 V dc - 20A 480W 90 264 V ac, 120 370 V dc 1 Chassis Mount Enclosed 202.8mm 106.5mm 106.5mm - - -
RS-stocknr. 680-2773
FabrikantnummerLS75-12
FabrikantTDK-Lambda
€ 31,20
Each
Aantal stuks
12 V dc - 6A 75W 88 264 V ac, 125 373 V dc 1 Chassis Mount Enclosed 5.1in 3.8in 1.5in - - 410g
RS-stocknr. 621-0663
FabrikantnummerRS-150-12
FabrikantMean Well
€ 32,47
Each
Aantal stuks
12 V dc - 12.5A 150W 88 → 132 V ac, 176 → 264 V ac, 248 → 373 V dc 1 Chassis Mount Enclosed 199mm 98mm 38mm - - 700g
RS-stocknr. 770-3273
FabrikantnummerTXM 025-124
FabrikantTRACOPOWER
€ 22,69
Each
Aantal stuks
24 V dc - 1.1A 25W 90 264V ac 1 Chassis Mount Enclosed 79mm 51mm 29mm - - 175g
RS-stocknr. 106-5852
FabrikantnummerLRS-150F-24RS
FabrikantMean Well
€ 40,87
Each
Aantal stuks
24 V dc - 6.5A 156W 85 → 264 V ac, 120 → 370 V dc 1 Chassis Mount Enclosed 159mm 97mm 30mm - - 480g
RS-stocknr. 644-6935
FabrikantnummerRS-25-5
FabrikantMean Well
€ 19,37
Each
Aantal stuks
5 V dc - 5A 25W 88 → 264 V ac, 125 → 373 V dc 1 Chassis Mount Enclosed 78mm 51mm 28mm - - 200g
RS-stocknr. 816-3900
FabrikantnummerRST-5000-24
FabrikantMean Well
€ 1.547,00
Each
Aantal stuks
24 V dc - 200A 4.8kW 196 → 305 V ac, 340 → 530 V ac 1 Chassis Mount Enclosed 460mm 211mm 83.5mm - - 10kg
RS-stocknr. 833-7436
FabrikantnummerMPB125-4350G
€ 122,65
Each
Aantal stuks
3.3/5/±12 V dc - 5 A, 10 A, 15 A, 500 mA 125W 90 264V ac 4 Chassis Mount Open Frame 127mm 76.2mm 26.9mm - - 300g
RS-stocknr. 787-8910
FabrikantnummerLCM1500Q-T-4
€ 495,53
Each
Aantal stuks
24 V dc - 67A 1.5kW 90 264V ac 1 Chassis Mount Enclosed 264.7mm 132mm 61mm - - 1.9kg
RS-stocknr. 815-7476
FabrikantnummerRSP-500-48RS
FabrikantMean Well
€ 170,80
Each
Aantal stuks
48 V dc - 10.5A 504W 85 → 264 V ac, 120 → 370 V dc 1 Chassis Mount Enclosed 230mm 127mm 40.5mm - - 1.3kg
RS-stocknr. 771-8519
FabrikantnummerLCC250-12U-7PE
€ 221,21
Each
Aantal stuks
12 V dc - 20.8A 250W 90 264V ac 1 Chassis Mount Enclosed 177.6mm 101.4mm 37.6mm - - -
RS-stocknr. 644-8335
FabrikantnummerSP-750-24
FabrikantMean Well
€ 276,17
Each
Aantal stuks
24 V dc - 31.3A 751W 90 264 V ac, 127 370 V dc 1 Chassis Mount Enclosed 278mm 127mm 63.5mm - - 2.9kg
RS-stocknr. 644-8357
FabrikantnummerRSP-1500-24
FabrikantMean Well
€ 445,82
Each
Aantal stuks
24 V dc - 63A 1.5kW 90 → 264 V ac, 127 → 370 V dc 1 Chassis Mount Enclosed 278mm 127mm 83.5mm - - 3kg
RS-stocknr. 627-3787
FabrikantnummerXCC
FabrikantExcelsys
€ 287,90
Each
Aantal stuks
- - - 1kW 85 264 V ac, 120 380 V dc 6 Chassis Mount Enclosed 269.75mm 127mm 40.4mm - - 1.1kg
RS-stocknr. 680-2830
FabrikantnummerLS150-48
FabrikantTDK-Lambda
€ 45,76
Each
Aantal stuks
48 V dc - 3.3A 150W 76 264 V ac, 88 132 V ac, 248 273 V dc 1 Chassis Mount Enclosed 7.8in 3.9in 1.5in - - 700g
RS-stocknr. 192-1122
FabrikantnummerLPT25
€ 51,71
Each
Aantal stuks
5/±15 V dc - 2 A, 4 A, 700 mA 25W 85 264 V ac, 120 300 V dc 3 Chassis Mount Open Frame 127mm 76.2mm 29mm - - 230g
RS-stocknr. 705-9835
FabrikantnummerSP-240-24RS
FabrikantMean Well
€ 109,10
Each
Aantal stuks
24 V dc - 10A 240W 88 264 V ac, 124 370 V dc 1 Chassis Mount Enclosed 190mm 93mm 50mm - - 800g
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