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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รายละเอียดสินค้า / Description ราคา / Price Output Voltage Series Output Current Power Rating Number of Outputs Input Voltage Mounting Type Package Type Length Width Depth Weight Efficiency Maximum Temperature
RS Stock No. 711-7385
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PSA065-240(RS)
Brand :Phihong
THB1,640.57
Each
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24V dc - 2.71A 65W 1 100 → 240 V ac, 90 → 264 V ac Chassis Mount Open Frame 101.6mm 50.8mm 30.6mm 160g 80% +85°C
RS Stock No. 873-0853
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PSA160-218-R
Brand :Phihong
THB4,226.00
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56V dc - 2.86A 160W 1 100 → 240 V ac, 90 → 264 V ac Chassis Mount Open Frame 101.6mm 50.8mm 34.5mm 195g 90% +70°C
RS Stock No. 711-7391
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PSA075-120
Brand :Phihong
THB1,974.48
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12V dc - 6.25A 75W 1 100 → 240 V ac, 90 → 264 V ac Chassis Mount Open Frame 127mm 76.2mm 33.1mm 220g 70% +50°C
RS Stock No. 698-9410
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PSA065-120M
Brand :Phihong
THB2,122.79
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12V dc - 5.42A 65W 1 100 → 240 V ac, 90 → 264 V ac Chassis Mount Open Frame 101.6mm 50.8mm 28.1mm 180g 80% +50°C
RS Stock No. 873-0850
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PSA160-216-R
Brand :Phihong
THB4,226.00
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48V dc - 3.34A 160W 1 100 → 240 V ac, 90 → 264 V ac Chassis Mount Open Frame 101.6mm 50.8mm 34.5mm 195g 90% +70°C
RS Stock No. 873-0869
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PSA4541R
Brand :Phihong
THB1,381.65
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±5 V dc, ±12 V dc - 2 A, 5 A, 500 mA 60W 4 100 → 240 V ac, 90 → 264 V ac Chassis Mount Open Frame 127mm 76.2mm 30mm 270g 68% +50°C
RS Stock No. 2509610316
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THB2,202.84
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RS Stock No. 2509610158
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Brand :Phihong
THB1,277.16
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RS Stock No. 2509610827
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PSA120-240R
Brand :Phihong
THB3,698.66
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RS Stock No. 2509610265
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Brand :Phihong
THB1,647.78
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