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. 833-7451
FabrikantnummerMPU150-4000
425,87 €
Each
Aantal stuks
5/12 V dc - 2 A, 3 A, 8 A, 30 A 150W 85 → 264V ac 4 U Bracket U Bracket 203.2mm 106.7mm 38.1mm - - 890g
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. 833-8158
FabrikantnummerMAP55-4003
190,25 €
Each
Aantal stuks
±5/±15 V dc - 2.5 A, 6 A, 500 mA 55W 90 → 132 V ac, 175 → 264 V ac 4 U Bracket U Bracket 152.4mm 83.1mm 40.6mm - - 550g
RS-stocknr. 833-8154
FabrikantnummerMAP55-4002
365,04 €
Each
Aantal stuks
5/±12 V dc - 3 A, 6 A, 500 mA 55W 90 → 132 V ac, 175 → 264 V ac 4 U Bracket U Bracket 152.4mm 83.1mm 40.6mm - - 550g
RS-stocknr. 833-8148
FabrikantnummerMAP55-1024
279,85 €
Each
Aantal stuks
24 V dc - 2.5A 55W 90 → 132 V ac, 175 → 264 V ac 1 U Bracket U Bracket 152.4mm 83.1mm 40.6mm - - 550g
RS-stocknr. 833-8139
FabrikantnummerMAP40-3100
158,18 €
Each
Aantal stuks
5/±12 V dc - 2 A, 3 A, 300 mA 40W 90 → 264V ac 3 Chassis Mount Open Frame 127mm 76.2mm 31.8mm - - 260g
RS-stocknr. 833-7515
FabrikantnummerPFC500-1024
782,18 €
Each
Aantal stuks
24 V dc - 21A 500W 85 → 264V ac 1 Chassis Mount Enclosed 228.6mm 127mm 63.5mm - - 2kg
RS-stocknr. 833-7486
FabrikantnummerPFC375-1012
626,24 €
Each
Aantal stuks
12 V dc - 30A 375W 85 → 264V ac 1 Chassis Mount Enclosed 228.6mm 127mm 63.5mm - - 2kg
RS-stocknr. 833-7489
FabrikantnummerPFC250-1024F
384,35 €
Each
Aantal stuks
24 V dc - 10.5A 250W 85 → 264V ac 1 U Bracket U Bracket 250.4mm 120.7mm 50.8mm - - 1.3kg
RS-stocknr. 706-3556
FabrikantnummerLM1301-9RG
542,80 €
Each
Aantal stuks
12 V dc - 4A 50W 85 → 264 V ac, 88 → 372 V dc 1 Chassis Mount Enclosed 168.5mm 111.2mm 38.7mm - - 770g
RS-stocknr. 833-8085
FabrikantnummerMAP110-4004
328,53 €
Each
Aantal stuks
5/±15/24 V dc - 1 A, 3 A, 12 A 80W 85 → 264V ac 4 Chassis Mount Open Frame 177.8mm 109.2mm 50mm - - 590g
RS-stocknr. 833-8088
FabrikantnummerMAP110-4000
304,20 €
Each
Aantal stuks
±5/±12 V dc - 1 A, 5 A, 12 A 80W 85 → 264V ac 4 Chassis Mount Open Frame 177.8mm 109.2mm 50mm - - 590g
RS-stocknr. 706-3553
FabrikantnummerLM1001-9RG
542,80 €
Each
Aantal stuks
5.1 V dc - 8A 50W 85 → 264 V ac, 88 → 372 V dc 1 Chassis Mount Enclosed 168.5mm 111.2mm 38.7mm - - 770g
RS-stocknr. 833-7470
FabrikantnummerPFC250-1024
571,89 €
Each
Aantal stuks
24 V dc - 10.5A 250W 85 → 264V ac 1 U Bracket U Bracket 215.9mm 120.7mm 50.8mm - - 1.3kg
RS-stocknr. 833-8101
FabrikantnummerMAP130-4000
474,55 €
Each
Aantal stuks
±5/±12 V dc - 1 A, 5 A, 20 A 130W 90 → 132 V ac, 175 → 264 V ac 4 U Bracket U Bracket 215.9mm 114.3mm 50.8mm - - 1.1kg
RS-stocknr. 833-8120
FabrikantnummerMAP40-3003
158,18 €
Each
Aantal stuks
5/±15 V dc - 1.5 A, 3 A, 200 mA 40W 90 → 264V ac 3 Chassis Mount Open Frame 127mm 76.2mm 29.5mm - - 260g
RS-stocknr. 751-1254
FabrikantnummerABC200-1024G
93,45 €
Each
Aantal stuks
24 V dc - 8.5A 200W 90 → 264V ac 1 Chassis Mount Open Frame 101.6mm 50.8mm 36.6mm - - 200g
RS-stocknr. 833-8104
FabrikantnummerMAP130-4001
474,55 €
Each
Aantal stuks
5/±12/24 V dc - 1 A, 3.5 A, 20 A 130W 90 → 132 V ac, 175 → 264 V ac 4 U Bracket U Bracket 215.9mm 114.3mm 50.8mm - - 1.1kg
RS-stocknr. 833-8167
FabrikantnummerMAP55-4004
211,40 €
Each
Aantal stuks
5/±15/24 V dc - 1.5 A, 6 A, 500 mA 55W 90 → 132 V ac, 175 → 264 V ac 4 U Bracket U Bracket 152.4mm 83.1mm 40.6mm - - 550g
RS-stocknr. 833-8123
FabrikantnummerMAP40-1005
190,27 €
Each
Aantal stuks
5 V dc - 8A 40W 90 → 264V ac 1 Chassis Mount Open Frame 127mm 76.2mm - - - 260g