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 162-1312
제조사 부품 번호760895631
제조사Wurth Elektronik
₩22,005.35
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12V - 200W 1 Through Hole - 500µH 3.5A - 44mm 43mm 30mm 44 x 43 x 30mm 250V
RS 제품 번호 170-9243
제조사 부품 번호78615/3C
₩1,991.75
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- - - 2 Through Hole Filtering 200µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 151-1282
제조사 부품 번호760301107
제조사Wurth Elektronik
₩10,611.30
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- 80V dc - 1 Surface Mount Signal & Power 650µH - Solder 7mm 7mm 6mm 7 x 7 x 6mm 1500 (Test)V
RS 제품 번호 792-4382
제조사 부품 번호47132
제조사Myrra
₩13,950.00
Each
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5V dc 85 → 265 V ac, 85 → 370 V dc 2.5W 1 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS 제품 번호 522-6005
제조사 부품 번호749196131
제조사Wurth Elektronik
₩6,706.85
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- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 10.9µH 550mA - 12.9mm 9.2mm 6.2mm 12.9 x 9.2 x 6.2mm 500V dc
RS 제품 번호 106-8584
제조사 부품 번호78602/16C
₩1,963.85
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- - - 2 Through Hole Filtering 4mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 151-1278
제조사 부품 번호760301105
제조사Wurth Elektronik
₩10,611.30
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- 80V dc - 1 Surface Mount Signal & Power 260µH - Solder 7mm 7mm 6mm 7 x 7 x 6mm 1500 (Test)V
RS 제품 번호 163-5616
제조사 부품 번호760301304
제조사Wurth Elektronik
₩8,594.75
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80V ac 250V - 1 Surface Mount Flyback 1.08mH - Solder 10.5mm 10.5mm 11mm 10.5 x 10.5 x 11mm 1.5 kV dc, 2.5 kV ac
RS 제품 번호 792-4398
제조사 부품 번호47136
제조사Myrra
₩13,950.00
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24V dc 85 → 265 V ac, 85 → 370 V dc 3.2W 1 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS 제품 번호 106-8823
제조사 부품 번호77202C
₩8,811.75
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- - - - Through Hole TRIAC Firing - - Pin 25.4mm - - 25.4 x 20.3 x 12.3mm -
RS 제품 번호 792-4405
제조사 부품 번호47166
제조사Myrra
₩16,492.00
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24V dc 85 → 265 V ac, 85 → 370 V dc 5W 1 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS 제품 번호 792-4354
제조사 부품 번호47125
제조사Myrra
₩13,723.70
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15V dc 85 → 265 V ac, 85 → 370 V dc 2.5W 1 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS 제품 번호 792-4394
제조사 부품 번호47134
제조사Myrra
₩12,407.75
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12V dc 85 → 265 V ac, 85 → 370 V dc 3.2W 1 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS 제품 번호 715-6945
제조사 부품 번호77209C
₩9,033.40
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- - - 2 Through Hole TRIAC Firing - - Pin 25.4mm 20.3mm 12.3mm 25.4 x 20.3 x 12.3mm -
RS 제품 번호 163-5615
제조사 부품 번호760301303
제조사Wurth Elektronik
₩8,594.75
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80V ac 250V - 1 Surface Mount Flyback 750µH - Solder 10.5mm 10.5mm 11mm 10.5 x 10.5 x 11mm 1.5 kV dc, 2.5 kV ac
RS 제품 번호 715-7002
제조사 부품 번호78615/2C
₩2,047.55
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- - - 2 Through Hole Filtering 500µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 715-6970
제조사 부품 번호78602/9C
₩3,162.00
Each
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- - - 2 Through Hole Filtering 10mH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS 제품 번호 736-9996
제조사 부품 번호TGM-340NARL
제조사Halo Electronics
₩11,815.65
Each
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- - - 2 Surface Mount - - - - 8.89mm 9.65mm 6.35mm 8.89 x 9.65 x 6.35mm -