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. 815-7413
FabrikantnummerRSP-75-7.5RS
FabrikantMean Well
€ 49,91
Each
Aantal stuks
7.5 V dc - 10A 75W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 159mm 97mm 30mm 440g 84% +70°C
RS-stocknr. 665-5732
FabrikantnummerTOP 100-112
FabrikantTRACOPOWER
€ 74,75
Each
Aantal stuks
12 V dc - 8.3A 100W 1 90 → 132 V ac, 187 → 264 V ac Chassis Mount Open Frame 101.6mm 50.8mm 31.8mm 140g 90% +70°C
RS-stocknr. 680-2827
FabrikantnummerLS150-24
FabrikantTDK-Lambda
€ 46,22
Each
Aantal stuks
24 V dc - 6.5A 150W 1 248 → 273V dc Chassis Mount Enclosed 7.8in 3.9in 1.5in 700g 86% +70°C
RS-stocknr. 813-9077
FabrikantnummerHWS150A-5/A
FabrikantTDK-Lambda
€ 109,45
Each
Aantal stuks
5 V dc - 30A 150W 1 85 → 265 V ac, 120 → 370 V dc Chassis Mount Enclosed 82mm 37mm 160mm 500g 90% +50°C
RS-stocknr. 377-6845
FabrikantnummerLFVLT40-3200
FabrikantEOS
€ 54,58
Each
Aantal stuks
5.2 V dc, 12.5 V dc - 2 A, 6 A, 500 mA 40W 3 90 → 132 V ac, 180 → 264 V ac Chassis Mount Open Frame 101.6mm 50.8mm 27.18mm 150g 82% +50°C
RS-stocknr. 106-5836
FabrikantnummerLRS-75-12
FabrikantMean Well
€ 25,27
Each
Aantal stuks
12 V dc - 6A 72W 1 85 → 264 V ac, 120 → 373 V dc Chassis Mount Enclosed 99mm 97mm 30mm 300g 89% +70°C
RS-stocknr. 106-5837
FabrikantnummerLRS-75-15
FabrikantMean Well
€ 25,27
Each
Aantal stuks
15 V dc - 5A 75W 1 85 → 264 V ac, 120 → 373 V dc Chassis Mount Enclosed 99mm 97mm 30mm 300g 89% +70°C
RS-stocknr. 816-3904
FabrikantnummerRST-5000-48
FabrikantMean Well
€ 1.073,70
Each
Aantal stuks
48 V dc - 105A 5kW 1 196 → 305 V ac, 340 → 530 V ac Chassis Mount Enclosed 460mm 211mm 83.5mm 10kg 91% +70°C
RS-stocknr. 754-1381
FabrikantnummerTMPM 04215
FabrikantTRACOPOWER
€ 17,82
Each
Aantal stuks
±15 V dc - 133mA 4W 2 85 → 264 V ac, 120 → 370 V dc PCB Mount Encapsulated 36.5mm 27mm 17.1mm 26g 77% +60°C
RS-stocknr. 192-1071
FabrikantnummerLPS25
€ 36,51
Each
Aantal stuks
24 V dc - 1.8A 25W 1 85 → 264 V ac, 120 → 300 V dc Chassis Mount Open Frame 127mm 76.2mm 29mm 230g 70% +50°C
RS-stocknr. 103-4710
FabrikantnummerEPS-120-24
FabrikantMean Well
€ 39,31
Each
Aantal stuks
24 V dc - 5A 84W 1 80 → 264 V ac, 113 → 370 V dc PCB Mount Open Frame 101.6mm 50.8mm 29mm 150g 90% +70°C
RS-stocknr. 106-5823
FabrikantnummerLRS-35-12RS
FabrikantMean Well
€ 19,65
Each
Aantal stuks
12 V dc - 3A 36W 1 85 → 264 V ac, 120 → 373 V dc Chassis Mount Enclosed 99mm 82mm 30mm 230g 86% +70°C
RS-stocknr. 627-3850
FabrikantnummerXG7
FabrikantExcelsys
€ 132,77
Each
Aantal stuks
28 V dc - 5A 120W 1 85 → 264 V ac, 120 → 380 V dc PCB Mount Enclosed 269.75mm 127mm 40.4mm 100g 90% +70°C
RS-stocknr. 706-3569
FabrikantnummerLM1601-9RG
€ 542,80
Each
Aantal stuks
24 V dc - 2A 50W 1 85 → 264 V ac, 88 → 372 V dc Chassis Mount Enclosed 168.5mm 111.2mm 38.7mm 770g 81% +71°C
RS-stocknr. 754-1211
FabrikantnummerLFWLT300-1005
FabrikantEOS
€ 102,40
Each
Aantal stuks
30 V dc - 6A 300W 1 90 → 264V ac Chassis Mount Open Frame 5in 3in 1.5in 370g 86% +50°C
RS-stocknr. 418-2342
FabrikantnummerTXL 100-0512DI
FabrikantTRACOPOWER
€ 90,99
Each
Aantal stuks
5 V dc, 12 V dc - 7 A, 12 A 100W 2 85 → 264V ac Chassis Mount Enclosed 208mm 95mm 38mm 800g 70 → 84% +70°C
RS-stocknr. 418-2336
FabrikantnummerTXL 100-24S
FabrikantTRACOPOWER
€ 76,23
Each
Aantal stuks
24 V dc TXL 4.3A 103W 1 85 → 264V ac Chassis Mount Enclosed 208mm 95mm 38mm 800g 70 → 84% +70°C
RS-stocknr. 706-6300
FabrikantnummerTXH 120-112
FabrikantTRACOPOWER
€ 89,59
Each
Aantal stuks
12 V dc - 10A 120W 1 90 → 264 V ac, 120 → 370 V dc Rack Mount Enclosed 137mm 82mm 38mm 390g 90% +70°C
RS-stocknr. 815-7460
FabrikantnummerRSP-500-12RS
FabrikantMean Well
€ 172,51
Each
Aantal stuks
12 V dc - 41.7A 500W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 230mm 127mm 40.5mm 1.3kg 89% +70°C
RS-stocknr. 413-605
FabrikantnummerRS-15-24
FabrikantMean Well
€ 11,74
Each
Aantal stuks
24 V dc - 625mA 15W 1 85 → 264 V ac, 120 → 370 V dc Chassis Mount Enclosed 62.5mm 51mm 28mm 130g 82% +70°C