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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Omschrijving Prijs 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-stocknr. 106-8841
Fabrikantnummer78601/9C
€ 1,268
Each (In a Tube of 50)
Aantal stuks
- - - 1 Through Hole Filtering 10mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS-stocknr. 823-5437
Fabrikantnummer760895451
FabrikantWurth Elektronik
€ 15,45
Each
Aantal stuks
48V - 150W 1 Through Hole - - 2A - 36mm 36mm 26mm 36 x 36 x 26mm 250V
RS-stocknr. 715-6939
Fabrikantnummer77204C
€ 5,87
Each
Aantal stuks
- - - - Through Hole TRIAC Firing - - Pin 25.4mm 20.3mm 12.3mm 25.4 x 20.3 x 12.3mm -
RS-stocknr. 106-8823
Fabrikantnummer77202C
€ 5,68
Each (In a Tube of 25)
Aantal stuks
- - - - Through Hole TRIAC Firing - - Pin 25.4mm - - 25.4 x 20.3 x 12.3mm -
RS-stocknr. 522-6055
Fabrikantnummer749196221
FabrikantWurth Elektronik
€ 4,96
Each
Aantal stuks
- - - - - 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-stocknr. 106-8583
Fabrikantnummer78602/8C
€ 1,268
Each (In a Tube of 50)
Aantal stuks
- - - 2 Through Hole Filtering 1mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS-stocknr. 816-4947
Fabrikantnummer760301303
FabrikantWurth Elektronik
€ 9,93
Each
Aantal stuks
80V ac 250V - 1 Surface Mount Flyback 750µH - Solder 10.5mm 10.5mm 11mm 10.5 x 10.5 x 11mm 1500 V dc, 2500 V ac
RS-stocknr. 522-6061
Fabrikantnummer749196231
FabrikantWurth Elektronik
€ 4,53
Each
Aantal stuks
- - - - - 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-stocknr. 715-6958
Fabrikantnummer78601/3C
€ 1,32
Each
Aantal stuks
- - - 1 Through Hole Filtering 200µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS-stocknr. 792-4391
Fabrikantnummer47133
FabrikantMyrra
€ 9,65
Each
Aantal stuks
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 -
RS-stocknr. 106-8858
Fabrikantnummer78601/16C
€ 1,319
Each (In a Tube of 50)
Aantal stuks
- - - 1 Through Hole Filtering 4mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS-stocknr. 792-4376
Fabrikantnummer47155
FabrikantMyrra
€ 19,38
Each
Aantal stuks
15V 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-stocknr. 792-4411
Fabrikantnummer47245
FabrikantMyrra
€ 9,68
Each
Aantal stuks
5.5 V dc, 12 V dc 85 → 265 V ac, 85 → 370 V dc 3.2W 2 Through Hole - - - - 31.7mm 26.7mm 21.8mm 31.7 x 26.7 x 21.8mm -
RS-stocknr. 162-1318
Fabrikantnummer760895451
FabrikantWurth Elektronik
€ 14,048
Each (In a Tray of 20)
Aantal stuks
48V - 150W 1 Through Hole - 600µH 2A - 36mm 36mm 26mm 36 x 36 x 26mm 250V
RS-stocknr. 792-4417
Fabrikantnummer47244
FabrikantMyrra
€ 11,68
Each
Aantal stuks
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-stocknr. 106-8874
Fabrikantnummer78602/9C
€ 1,245
Each (In a Tube of 50)
Aantal stuks
- - - 2 Through Hole Filtering 10mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS-stocknr. 715-7005
Fabrikantnummer78615/8C
€ 1,32
Each
Aantal stuks
- - - 2 Through Hole Filtering 1mH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS-stocknr. 792-4357
Fabrikantnummer47123
FabrikantMyrra
€ 9,22
Each
Aantal stuks
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-stocknr. 792-4414
Fabrikantnummer47243
FabrikantMyrra
€ 10,52
Each
Aantal stuks
7 V dc, 10.5 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-stocknr. 823-5447
Fabrikantnummer760895731
FabrikantWurth Elektronik
€ 19,63
Each
Aantal stuks
12V - 250W 1 Through Hole - - 5A - 48mm 46mm 27.5mm 48 x 46 x 27.5mm 250V