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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Description Price 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 Stock No. 770-3267
Mfr. Part No.TXM 025-105
BrandTRACOPOWER
$40.52
Each
units
5V dc - 5A 25W 90 → 264V ac 1 Chassis Mount Enclosed 79mm 51mm 29mm - - 175g
RS Stock No. 706-5940
Mfr. Part No.TIW 06-105
BrandTRACOPOWER
$55.22
Each
units
5V dc - 1A 6W 93 → 264V ac 1 Surface Mount Encapsulated 50.2mm 48mm 23.6mm - - 80g
RS Stock No. 449-3125
Mfr. Part No.TXL 025-24S
BrandTRACOPOWER
$73.44
Each
units
24V dc - 1.1A 25W 85 → 264V ac 1 Chassis Mount Enclosed 93mm 51mm 28.5mm - - 190g
RS Stock No. 449-3096
Mfr. Part No.TXL 025-05S
BrandTRACOPOWER
$86.66
Each
units
5V dc - 5A 25W 85 → 264V ac 1 Chassis Mount Enclosed 93mm 51mm 28.5mm - - 190g
RS Stock No. 418-2190
Mfr. Part No.TXL 035-24S
BrandTRACOPOWER
$74.75
Each
units
24V dc - 1.5A 35W 120 → 375 V dc, 85 → 264 V ac 1 Chassis Mount Enclosed 109mm 82mm 35mm - - 300g
RS Stock No. 770-3318
Mfr. Part No.TXM 075-112
BrandTRACOPOWER
$61.26
Each
units
12V dc - 6A 60W 90 → 264V ac 1 Chassis Mount Enclosed 129mm 99mm 38mm - - 380g
RS Stock No. 418-2241
Mfr. Part No.TXL 070-24S
BrandTRACOPOWER
$101.14
Each
units
24V dc - 3A 70W 120 → 375 V dc, 85 → 264 V ac 1 Chassis Mount Enclosed 169mm 95mm 38mm - - 700g
RS Stock No. 770-3282
Mfr. Part No.TXM 035-124
BrandTRACOPOWER
$44.18
Each
units
24V dc - 1.5A 35W 90 → 264V ac 1 Chassis Mount Enclosed 102mm 64mm 33mm - - 200g
RS Stock No. 418-2235
Mfr. Part No.TXL 070-12S
BrandTRACOPOWER
$84.03
Each
units
12V dc - 6A 70W 120 → 375 V dc, 85 → 264 V ac 1 Chassis Mount Enclosed 169mm 95mm 38mm - - 700g
RS Stock No. 434-2796
Mfr. Part No.TXL 150-12S
BrandTRACOPOWER
$180.13
Each
units
12V dc - 12.5A 150W 85 → 264V ac 1 Chassis Mount Enclosed 211mm 99mm 50mm - - 890g
RS Stock No. 706-5950
Mfr. Part No.TIW 12-124
BrandTRACOPOWER
$67.99
Each
units
24V dc - 500mA 12W 93 → 264V ac 1 Surface Mount Encapsulated 50.2mm 48mm 23.6mm - - 80g
RS Stock No. 131-959
Mfr. Part No.TMT 15215C
BrandTRACOPOWER
$152.48
Each
units
±15V dc - 500mA 15W 85 → 264 V ac, 85 → 370 V dc 2 Chassis Mount Encapsulated 77mm 45mm 26.4mm - - 90g
RS Stock No. 706-6319
Mfr. Part No.TXH 240-124
BrandTRACOPOWER
$240.15
Each
units
24V dc - 10A 240W 120 → 370 V dc, 90 → 264 V ac 1 Rack Mount Enclosed 150mm 106mm 35mm - - 580g
RS Stock No. 843-1770
Mfr. Part No.TPP 65-124
BrandTRACOPOWER
$166.84
Each
units
24V dc - 2.71A 65W 120 → 370 V dc, 85 → 264 V ac 1 Chassis Mount Encapsulated - - - - - -
RS Stock No. 418-2364
Mfr. Part No.TXL 100-0521TI
BrandTRACOPOWER
$158.34
Each
units
5/12V dc - 1.5 A, 5 A, 12 A 100W 85 → 264V ac 3 Chassis Mount Enclosed 208mm 95mm 38mm - - 800g
RS Stock No. 418-2291
Mfr. Part No.TXL 060-0533TI
BrandTRACOPOWER
$186.86
Each
units
5/±15V dc - 1 A, 3 A, 7 A 60W 120 → 375 V dc, 85 → 264 V ac 3 Chassis Mount Enclosed 169mm 95mm 38mm - - 700g
RS Stock No. 706-6063
Mfr. Part No.TML 20112
BrandTRACOPOWER
$79.84
Each
units
12V dc - 1.67A 20W 100 → 375 V dc, 90 → 264 V ac 1 PCB Mount Encapsulated 70mm 48mm 22mm - - 110g
RS Stock No. 770-3273
Mfr. Part No.TXM 025-124
BrandTRACOPOWER
$40.57
Each
units
24V dc - 1.1A 25W 90 → 264V ac 1 Chassis Mount Enclosed 79mm 51mm 29mm - - 175g
RS Stock No. 706-6044
Mfr. Part No.TMLM 20112
BrandTRACOPOWER
$111.54
Each
units
12V dc - 1.66A 20W 90 → 264V ac 1 PCB Mount Encapsulated 52.4mm 27.2mm 23.5mm - - 59g
RS Stock No. 830-3219
Mfr. Part No.TMPS 03-103
BrandTRACOPOWER
$29.43
Each
units
3.3V dc - 900mA 3W 120 → 370 V, 85 → 264 V 1 PCB Mount Encapsulated 25.4mm 25.4mm 15.3mm - - 17.4g