Switch Mode Power Supply (SMPS) Transformers

Switch mode power supply (SMPS) transformers are a highly efficient form of transformer, used in devices like personal computers.

A switch mode power supply is an electronic power supply that incorporates a switching regulator to efficiently convert electrical power. Like other power supplies, an SMPS transfers power from a DC or AC source (which is often mains power) to DC loads, such as a personal computer, while converting voltage and current characteristics.

How do switch mode power supply (SMPS) transformers work?

Any switched-mode power supply that gets its power from an AC power line (also known as an 'off-line' converter) requires a transformer for galvanic isolation, which prevents current flow. Some DC-to-DC converters may also include a transformer.

SMPS transformers run at high frequency. Most of the cost savings (as well as space savings) in off-line power supplies result from the smaller size of the high-frequency transformer.

Types of switch mode power supply (SMPS) transformers

SMPS transformers have many different applications. They can be used as broadband transformers, DC-to-DC converters, low-power DC-to-DC converters, pulse transformers and power sourcing equipment, among other uses.


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제품설명 단가 Secondary Voltage Rating Primary Voltage Rating Power Rating Number of Outputs Mounting Type Application Inductance Secondary Current Termination Type Length Width Depth Dimensions Isolation Voltage
RS 제품 번호 418-4089
제조사 부품 번호74070
제조사Myrra
₩21,651.95
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4 → 6.5 V ac, 10 → 16.5 V ac 85 → 265V ac 120 → 160W 4 PCB Mount Flyback 300µH 5 A, 6 A - 52mm 51mm 40.5mm 52 x 51 x 40.5mm -
RS 제품 번호 418-5515
제조사 부품 번호74010
제조사Myrra
₩6,657.25
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4 → 7 V ac, 8 → 17 V ac 85 → 265V ac 7 → 10W 2 Through Hole Flyback - 2 A, 850 mA Pin 18mm 17.5mm 16mm 18 x 17.5 x 16mm -
RS 제품 번호 522-6033
제조사 부품 번호749196201
제조사Wurth Elektronik
₩8,087.90
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- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 140µH 950mA - 16.3mm 12mm 7.4mm 16.3 x 12 x 7.4mm 500V dc
RS 제품 번호 522-5973
제조사 부품 번호749196101
제조사Wurth Elektronik
₩6,666.55
Each
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- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 198.6µH 550mA - 12.9mm 9.2mm 6.2mm 12.9 x 9.2 x 6.2mm 500V dc
RS 제품 번호 522-6083
제조사 부품 번호749196301
제조사Wurth Elektronik
₩10,026.95
Each
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- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 153.8µH 970mA - 17.5mm 16mm 8.3mm 17.5 x 16 x 8.3mm 500V dc
RS 제품 번호 418-5543
제조사 부품 번호74030
제조사Myrra
₩8,449.05
Each
수량
3.3 → 7 V ac, 8 → 17 V ac 85 → 265V ac 15 → 30W 3 Through Hole Flyback - 1.5 A, 3 A Pin 26.5mm 22.5mm 26.5mm 26.5 x 22.5 x 26.5 mmmm -
RS 제품 번호 522-6190
제조사 부품 번호749196501
제조사Wurth Elektronik
₩14,303.40
Each
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- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 196µH 1.7A - 21mm 21mm 10.8mm 21 x 21 x 10.8mm 500V dc
RS 제품 번호 522-6207
제조사 부품 번호749196511
제조사Wurth Elektronik
₩9,619.30
Each
수량
- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 22.3µH 1.7A - 21mm 21mm 10.8mm 21 x 21 x 10.8mm 500V dc
RS 제품 번호 871-1657
제조사 부품 번호B82802A0012A215
제조사EPCOS
₩5,477.70
Each
수량
5 (Output 2) V, 12 (Output 1) V 36 → 60V dc 12W 2 Surface Mount DC to DC Converter, Flyback, Power Over Ethernet, Power Sourcing Equipment, Powered Devices 100µH - Gullwing 22.3mm - - 22.3 x 16.5 x 8.65mm 1500V ac
RS 제품 번호 162-0296
제조사 부품 번호B82802A0055A225
제조사EPCOS
₩6,500.70
Each (On a Reel of 80)
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5 (Output 2) V, 12 (Output 1) V 30 → 60V ac 55W 2 Surface Mount DC to DC Converter, Flyback, Power Over Ethernet, Power Sourcing Equipment, Powered Devices 22µH - Gullwing 32.6mm - - 32.6 x 27 x 14.8mm 1.5kV ac
RS 제품 번호 871-1666
제조사 부품 번호B82802A0055A225
제조사EPCOS
₩10,369.50
Each
수량
5 (Output 2) V, 12 (Output 1) V 30 → 60V ac 55W 2 Surface Mount DC to DC Converter, Flyback, Power Over Ethernet, Power Sourcing Equipment, Powered Devices 22µH - Gullwing 32.6mm - - 32.6 x 27 x 14.8mm 1500V ac
RS 제품 번호 522-6099
제조사 부품 번호749196311
제조사Wurth Elektronik
₩10,013.00
Each
수량
- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 23.3µH 970mA - 17.5mm 16mm 8.3mm 17.5 x 16 x 8.3mm 500V dc
RS 제품 번호 162-0231
제조사 부품 번호B82802A0012A215
제조사EPCOS
₩2,859.75
Each (On a Reel of 300)
수량
5 (Output 2) V, 12 (Output 1) V 36 → 60V dc 12W 2 Surface Mount DC to DC Converter, Flyback, Power Over Ethernet, Power Sourcing Equipment, Powered Devices 100µH - Gullwing 22.3mm - - 22.3 x 16.5 x 8.65mm 1.5kV ac
RS 제품 번호 715-6949
제조사 부품 번호78601/4C
₩1,977.80
Each
수량
- - - 1 Through Hole Filtering 100µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 106-8829
제조사 부품 번호78601/4C
₩1,891.00
Each (In a Tube of 50)
수량
- - - 1 Through Hole Filtering 100µH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 163-3834
제조사 부품 번호749196311
제조사Wurth Elektronik
₩5,012.70
Each (On a Reel of 300)
수량
- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 23.3µH 970mA - 17.5mm 16mm 8.3mm 17.5 x 16 x 8.3mm 500V dc
RS 제품 번호 522-6140
제조사 부품 번호749196510
제조사Wurth Elektronik
₩13,223.05
Each
수량
- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 9.9µH 1.91A - 21mm 21mm 10.8mm 21 x 21 x 10.8mm 500V dc
RS 제품 번호 106-8830
제조사 부품 번호78601/3C
₩1,990.20
Each (In a Tube of 50)
수량
- - - 1 Through Hole Filtering 200µH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 715-6958
제조사 부품 번호78601/3C
₩1,977.80
Each
수량
- - - 1 Through Hole Filtering 200µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 522-6128
제조사 부품 번호749196341
제조사Wurth Elektronik
₩5,344.40
Each
수량
- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 7.9µH 970mA - 17.5mm 16mm 8.3mm 17.5 x 16 x 8.3mm 500V dc