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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Beskrivning Pris 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-artikelnummer 183-9434
Tillv. art.nrCUS-150M-28/U
VarumärkeTDK-Lambda
971,32 kr
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28 V dc CUS150M 5.4A 150W 85 → 264V ac 1 Chassis Mount U Bracket 116mm 64mm 38.5mm - - 245g
RS-artikelnummer 183-9435
Tillv. art.nrCUS-150M-36/A
VarumärkeTDK-Lambda
995,25 kr
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36 V dc CUS150M 4.2A 150W 85 → 264V ac 1 Chassis Mount Enclosed 116mm 64mm 39.7mm - - 255g
RS-artikelnummer 183-9430
Tillv. art.nrCUS-150M-28
VarumärkeTDK-Lambda
863,38 kr
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28 V dc CUS150M 5.4A 150W 85 → 264V ac 1 Chassis Mount Open Frame 101.6mm 50.8mm 31.5mm - - 185g
RS-artikelnummer 183-9428
Tillv. art.nrCUS-150M-18/U
VarumärkeTDK-Lambda
971,32 kr
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18 V dc CUS150M 8.33A 150W 85 → 264V ac 1 Chassis Mount - 116mm 64mm 38.5mm - - 245g
RS-artikelnummer 183-9458
Tillv. art.nrCUS-1500M-15
VarumärkeTDK-Lambda
6 655,27 kr
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15 V dc CUS1500M 100A 1.5kW 85 → 265 V ac, 120 → 340 V dc 1 - Enclosed 127mm 261mm 63mm - - 3kg
RS-artikelnummer 183-9459
Tillv. art.nrCUS-1500M-24
VarumärkeTDK-Lambda
6 655,27 kr
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24 V dc CUS1500M 63A 1.5kW 85 → 265 V ac, 120 → 340 V dc 1 - Enclosed 127mm 261mm 63mm - - 3kg
RS-artikelnummer 183-9431
Tillv. art.nrCUS-150M-28/A
VarumärkeTDK-Lambda
995,25 kr
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28 V dc CUS150M 5.4A 150W 85 → 264V ac 1 Chassis Mount Enclosed 116mm 64mm 39.7mm - - 255g
RS-artikelnummer 183-9436
Tillv. art.nrCUS-150M-48/A
VarumärkeTDK-Lambda
995,25 kr
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48 V dc CUS150M 3.12A 150W 85 → 264V ac 1 Chassis Mount Enclosed 116mm 64mm 39.7mm - - 255g
RS-artikelnummer 183-9414
Tillv. art.nrQS5H-1080-12
VarumärkeTDK-Lambda
4 688,70 kr
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12 V dc QS 90A 1.08kW 90 → 264V ac 1 Chassis Mount Enclosed 270mm 127mm 63.3mm - - -
RS-artikelnummer 183-9429
Tillv. art.nrCUS-150M-24/A
VarumärkeTDK-Lambda
995,25 kr
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24 V dc CUS150M 6.25A 150W 85 → 264V ac 1 Chassis Mount Enclosed 116mm 64mm 39.7mm - - 255g
RS-artikelnummer 183-9425
Tillv. art.nrCUS-150M-18/A
VarumärkeTDK-Lambda
995,25 kr
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18 V dc CUS150M 8.33A 150W 85 → 264V ac 1 Chassis Mount Enclosed 116mm 64mm 39.7mm - - 255g
RS-artikelnummer 183-9424
Tillv. art.nrCUS-150M-18
VarumärkeTDK-Lambda
863,38 kr
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18 V dc CUS150M 8.33A 150W 85 → 264V ac 1 Chassis Mount Open Frame 101.6mm 50.8mm 31.5mm - - 185g
RS-artikelnummer 183-9413
Tillv. art.nrQS5-600-12
VarumärkeTDK-Lambda
3 381,60 kr
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12 V dc QS 50A 600W 90 → 264V ac 1 Chassis Mount Enclosed 270mm 127mm 63.3mm - - -
RS-artikelnummer 183-9415
Tillv. art.nrQS7-1080-12
VarumärkeTDK-Lambda
6 343,41 kr
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12 V dc QS 90A 1.08kW 90 → 264V ac 1 Chassis Mount Enclosed 270mm 176mm 63.3mm - - -
RS-artikelnummer 183-9462
Tillv. art.nrCUS-1500M-48
VarumärkeTDK-Lambda
6 655,27 kr
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48 V dc CUS1500M 32A 1.5kW 85 → 265 V ac, 120 → 340 V dc 1 - Enclosed 127mm 261mm 63mm - - 3kg
RS-artikelnummer 183-9457
Tillv. art.nrCUS-1500M-12
VarumärkeTDK-Lambda
6 655,27 kr
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12 V dc CUS1500M 125A 1.5kW 85 → 265 V ac, 120 → 340 V dc 1 - Enclosed 127mm 261mm 63mm - - 3kg
RS-artikelnummer 183-9426
Tillv. art.nrCUS-150M-18/F
VarumärkeTDK-Lambda
1 139,21 kr
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18 V dc CUS150M - 150W 85 → 264V ac 1 Chassis Mount Enclosed 116mm 64mm 39.7mm - - 265g
RS-artikelnummer 183-9423
Tillv. art.nrCUS-150M-15/A
VarumärkeTDK-Lambda
995,25 kr
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15 V dc CUS150M 10A 150W 85 → 264V ac 1 Chassis Mount Enclosed 116mm 64mm 39.7mm - - 255g
RS-artikelnummer 183-9460
Tillv. art.nrCUS-1500M-36
VarumärkeTDK-Lambda
6 655,27 kr
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36 V dc CUS1500M 42A 1.5kW 85 → 265 V ac, 120 → 340 V dc 1 - Enclosed 127mm 261mm 63mm - - 3kg
RS-artikelnummer 183-9417
Tillv. art.nrQS5H-1200-24
VarumärkeTDK-Lambda
4 688,70 kr
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Enheter
24 V dc QS 50A 1.2kW 90 → 264V ac 1 Chassis Mount Enclosed 270mm 127mm 63.3mm - - -