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. 680-2802
FabrikantnummerLS100-24
FabrikantTDK-Lambda
39,92 €
Each
Aantal stuks
24V dc - 4.5A 100W 1 125 → 373 V dc, 88 → 264 V ac Chassis Mount Enclosed 6.3in 3.8in 1.5in 600g 86% +70°C
RS-stocknr. 680-2742
FabrikantnummerLS50-12
FabrikantTDK-Lambda
27,31 €
Each
Aantal stuks
12V dc - 4.2A 50W 1 125 → 373 V dc, 88 → 264 V ac Chassis Mount Enclosed 3.9in 3.8in 1.4in 350g 84% +70°C
RS-stocknr. 200-190
FabrikantnummerNV1-453TT
FabrikantTDK-Lambda
198,00 €
Each
Aantal stuks
3.3 V dc, 5 V dc - 1 A, 5 A, 15 A, 25 A 175W 4 90 → 264V ac Chassis Mount Open Frame 5in 3in 1.25in 250g - +70°C
RS-stocknr. 680-2798
FabrikantnummerLS100-12
FabrikantTDK-Lambda
39,92 €
Each
Aantal stuks
12V dc - 8.5A 100W 1 125 → 373 V dc, 88 → 264 V ac Chassis Mount Enclosed 6.3in 3.8in 1.5in 600g 82% +70°C
RS-stocknr. 813-9128
FabrikantnummerRWS300B-24
FabrikantTDK-Lambda
90,33 €
Each
Aantal stuks
24V dc - 12.5A 300W 1 120 → 370 V dc, 85 → 265 V ac Chassis Mount Enclosed 41mm 102mm 170mm 900g 85 %, 88 % +70°C
RS-stocknr. 680-2830
FabrikantnummerLS150-48
FabrikantTDK-Lambda
46,22 €
Each
Aantal stuks
48V dc - 3.3A 150W 1 248 → 273 V dc, 76 → 264 V ac, 88 → 132 V ac Chassis Mount Enclosed 7.8in 3.9in 1.5in 700g 87% +70°C
RS-stocknr. 124-4719
FabrikantnummerKWS5A-12
FabrikantTDK-Lambda
26,39 €
Each
Aantal stuks
12V dc - 450mA 5.4W 1 120 → 370 V dc, 85 → 265 V ac PCB Mount Encapsulated 38.1mm 25.4mm 21.5mm 35g 75% +85°C
RS-stocknr. 680-2751
FabrikantnummerLS50-15
FabrikantTDK-Lambda
27,31 €
Each
Aantal stuks
15V dc - 3.4A 50W 1 125 → 373 V dc, 88 → 264 V ac Chassis Mount Enclosed 3.9in 3.8in 1.4in 350g 85% +70°C
RS-stocknr. 338-1790
FabrikantnummerJWT100-522/A
FabrikantTDK-Lambda
314,07 €
Each
Aantal stuks
5 V dc, ±12 V dc - 1 A, 5.5 A, 13 A 100W 3 120 → 330 V dc, 85 → 265 V ac Chassis Mount Enclosed 203mm 92mm 48mm 720g 72% +50°C
RS-stocknr. 528-8211
FabrikantnummerNV1-4G5TT-C
FabrikantTDK-Lambda
252,10 €
Each
Aantal stuks
5 V dc, ±12 V dc, ±24 V dc - 1 A, 5 A, 7.5 A, 8 A 180W 4 90 → 264V ac Chassis Mount Enclosed 127mm 76mm 31.75mm 250g - +70°C
RS-stocknr. 680-2827
FabrikantnummerLS150-24
FabrikantTDK-Lambda
46,22 €
Each
Aantal stuks
24V dc - 6.5A 150W 1 248 → 273V dc Chassis Mount Enclosed 7.8in 3.9in 1.5in 700g 86% +70°C
RS-stocknr. 813-9083
FabrikantnummerHWS150A-24/A
FabrikantTDK-Lambda
109,45 €
Each
Aantal stuks
24V dc - 6.5A 150W 1 120 → 370 V dc, 85 → 265 V ac Chassis Mount Enclosed 82mm 37mm 160mm 500g 90% +50°C
RS-stocknr. 813-8951
FabrikantnummerHWS50A-15
FabrikantTDK-Lambda
49,61 €
Each
Aantal stuks
15V dc - 3.5A 50W 1 120 → 370 V dc, 85 → 265 V ac Chassis Mount Open Frame 82mm 26.5mm 120mm 280g 87% +50°C
RS-stocknr. 231-7805
FabrikantnummerCA600 24G
FabrikantTDK-Lambda
825,61 €
Each
Aantal stuks
24V dc - 25A 600W 1 160 → 358 V dc, 90 → 264 V ac Rack Mount Enclosed 323mm 126.5mm 63mm 2.3kg 75% +70°C
RS-stocknr. 680-2833
FabrikantnummerSWS600L-12
FabrikantTDK-Lambda
370,79 €
Each
Aantal stuks
12V dc - 53A 636W 1 120 → 350 V dc, 85 → 265 V ac Chassis Mount Enclosed 215mm 120mm 61mm 1.6kg - +74°C
RS-stocknr. 635-2199
FabrikantnummerHWS600-24
FabrikantTDK-Lambda
404,40 €
Each
Aantal stuks
24V dc - 27A 648W 1 120 → 330 V dc, 85 → 265 V ac Chassis Mount Enclosed 6.5in 3.23in 3.94in 1.6kg 85% +70°C
RS-stocknr. 635-2228
FabrikantnummerZWD100PAF-0524/J
FabrikantTDK-Lambda
77,17 €
Each
Aantal stuks
5 V dc, 24 V dc - 4 A, 5 A 100W 2 120 → 370 V dc, 85 → 265 V ac Chassis Mount Open Frame 8.74in 2.95in 1.38in 460g 81% +70°C
RS-stocknr. 479-6749
FabrikantnummerNV1-453TT-C
FabrikantTDK-Lambda
252,10 €
Each
Aantal stuks
3.3 V dc, 5 V dc - 1 A, 5 A, 15 A, 25 A 175W 4 90 → 264V ac Chassis Mount Enclosed 127mm 76mm 31.75mm 250g - +70°C
RS-stocknr. 751-1248
FabrikantnummerGWS500-36
FabrikantTDK-Lambda
247,25 €
Each
Aantal stuks
36V dc - 14A 504W 1 120 → 373 V dc, 85 → 265 V ac Chassis Mount Enclosed 218mm 105mm 41mm 1kg 90% +70°C
RS-stocknr. 813-9077
FabrikantnummerHWS150A-5/A
FabrikantTDK-Lambda
109,45 €
Each
Aantal stuks
5V dc - 30A 150W 1 120 → 370 V dc, 85 → 265 V ac Chassis Mount Enclosed 82mm 37mm 160mm 500g 90% +50°C