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 736-9987
제조사 부품 번호TGM-240NSRL
제조사Halo Electronics
₩6,034.15
Each
수량
- - - 2 Surface Mount - - - - 8.13mm 7.11mm 5.08mm 8.13 x 7.11 x 5.08mm -
RS 제품 번호 151-1278
제조사 부품 번호760301105
제조사Wurth Elektronik
₩10,795.75
Each
수량
- 80V dc - 1 Surface Mount Signal & Power 260µH - Solder 7mm 7mm 6mm 7 x 7 x 6mm 1500 (Test)V
RS 제품 번호 522-6049
제조사 부품 번호749196211
제조사Wurth Elektronik
₩8,087.90
Each
수량
- - - 3 Surface Mount Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 21.6µH 950mA - 16.3mm 12mm 7.4mm 16.3 x 12 x 7.4mm 500V dc
RS 제품 번호 792-4363
제조사 부품 번호47126
제조사Myrra
₩13,861.65
Each
수량
24V 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 151-1273
제조사 부품 번호760301108
제조사Wurth Elektronik
₩8,236.70
Each (On a Reel of 800)
수량
- 80V dc - 1 Surface Mount Signal & Power 460µH - Solder 7mm 7mm 6mm 7 x 7 x 6mm 1500 (Test)V
RS 제품 번호 522-6055
제조사 부품 번호749196221
제조사Wurth Elektronik
₩7,732.95
Each
수량
- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 11.6µH 950mA - 16.3mm 12mm 7.4mm 16.3 x 12 x 7.4mm 500V dc
RS 제품 번호 792-4423
제조사 부품 번호47247
제조사Myrra
₩15,472.10
Each
수량
-15 V dc, 15 V dc 85 → 265 V ac, 85 → 370 V dc 4W 2 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS 제품 번호 106-8820
제조사 부품 번호77205C
₩9,194.60
Each (In a Tube of 25)
수량
- - - - Through Hole TRIAC Firing - - Pin 25.4mm - - 25.4 x 20.3 x 12.3mm -
RS 제품 번호 151-1280
제조사 부품 번호760301106
제조사Wurth Elektronik
₩10,795.75
Each
수량
- 80V dc - 1 Surface Mount Signal & Power 370µH - Solder 7mm 7mm 6mm 7 x 7 x 6mm 1500 (Test)V
RS 제품 번호 792-4417
제조사 부품 번호47244
제조사Myrra
₩15,534.10
Each
수량
7 V dc, 15 V dc 85 → 265 V ac, 85 → 370 V dc 4W 2 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS 제품 번호 792-4344
제조사 부품 번호47121
제조사Myrra
₩16,557.10
Each
수량
3.3V 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 106-8823
제조사 부품 번호77202C
₩8,926.45
Each (In a Tube of 25)
수량
- - - - Through Hole TRIAC Firing - - Pin 25.4mm - - 25.4 x 20.3 x 12.3mm -
RS 제품 번호 871-1650
제조사 부품 번호B82802A0012A315
제조사EPCOS
₩5,504.05
Each
수량
3.3 (Output 2) V, 5 (Output 1) V, 12 (Output 3) V 36 → 60V dc 12W 3 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 177-7112
제조사 부품 번호TGM-240NSRL
제조사Halo Electronics
₩3,620.80
Each (In a Tube of 62)
수량
- - - 2 Surface Mount - - - - 8.13mm 7.11mm 5.08mm 8.13 x 7.11 x 5.08mm -
RS 제품 번호 715-6939
제조사 부품 번호77204C
₩9,493.75
Each
수량
- - - - Through Hole TRIAC Firing - - Pin 25.4mm 20.3mm 12.3mm 25.4 x 20.3 x 12.3mm -
RS 제품 번호 841-6762
제조사 부품 번호B78304B1030A003
제조사EPCOS
₩9,231.80
Each
수량
- - - 1 Surface Mount Broadband Transformers, Drive Transformers for Power Semiconductors, Low-power DC/DC Converters, Pulse Transformers 100nH - Gullwing 8mm 7mm 5.4mm 8 x 7 x 5.4mm -
RS 제품 번호 522-5989
제조사 부품 번호749196111
제조사Wurth Elektronik
₩7,055.60
Each
수량
- - - 3 Surface Mount Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 27.4µH 550mA - 12.9mm 9.2mm 6.2mm 12.9 x 9.2 x 6.2mm 500V dc
RS 제품 번호 792-4357
제조사 부품 번호47123
제조사Myrra
₩13,723.70
Each
수량
9V 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 522-6061
제조사 부품 번호749196231
제조사Wurth Elektronik
₩7,055.60
Each
수량
- - - - - Flyback, Forward, Push-Pull, SEPIC, Step Down, Step Up 8.3µH 950mA - 16.3mm 12mm 7.4mm 16.3 x 12 x 7.4mm 500V dc
RS 제품 번호 792-4391
제조사 부품 번호47133
제조사Myrra
₩15,407.00
Each
수량
9V 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 -