Toroidal Transformers

Toroidal transformers are magnetic core transformers manufactured within a toroidal (ring or doughnut) shape.

How do Toroidal Transformers they work?


Transformers use the principles of induction to transfer energy in the form of electricity via their internal coli. They make it possible for devices with different requirements to run off the same source of voltage. They are able to step the voltage up or down as needed. They can also increase and decrease current and alter electrical energy in other ways.
Toroidal transformers can be open or encapsulated, and some models are completed with PCB mounting pins.

Benefits of Toroidal Transformers


  • Transformers take up less space than their traditional square counterparts using less real estate. Some manufacturers suggest that fitting a toroidal transformer with flying leads instead of terminal blocks can save you up to 60% space.

  • These transformers are easy to mount, some even just require a single bolt to fix them in place.

  • They have flexible dimensions.

  • Toroidal transformers offer great noise reduction and emit less EMI (electromagnetic interference) than standard transformers.

  • They have a low stray field.

  • They are quieter to run than standard transformers and create less hum noise.

  • They present excellent value for money. Toroidal cores take less energy to maintain a magnetic field, and therefore use less power.

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Description Price Primary Voltage Rating Secondary Voltage Rating Power Rating Number of Outputs Secondary Current Height Weight Diameter Dimensions Minimum Operating Frequency Maximum Operating Frequency Mounting Type Termination Type Fixing Hole Diameter
RS Stock No. 124-3852
BrandRS PRO
MYR52.90
Each
units
2 x 115V 2 x 15V 5VA - - 19.5mm 144g - 49.7 x 49.7 x 19.5mm - 50Hz Through Hole - -
RS Stock No. 671-9031
BrandRS PRO
MYR226.19
Each
units
230V ac 2 x 12V ac 225VA 2 9.375A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 257-4884
Mfr. Part No.91935-P2S2
MYR124.53
Each
units
115 V ac, 230 V ac 2 x 6V ac 15VA 2 1.25A 31mm 300g 60mm 60 (Dia.) x 31mm - - - - -
RS Stock No. 752-9359
Mfr. Part No.RKD 30/2x15
BrandBlock
MYR163.76
Each
units
115 V ac, 230 V ac 2 x 15V ac 30VA 2 - - 470g 68mm - 50Hz 60Hz - Leads -
RS Stock No. 278-7002
Mfr. Part No.60034
MYR126.94
Each
units
115V ac, 230V ac 2 x 18V ac 7VA 2 194mA 24mm 172g 48mm 48 (Dia.) x 24mm - - - - -
RS Stock No. 223-8897
Mfr. Part No.0500P1-2-025K
MYR816.84
Each
units
230V ac 2 x 25V ac 500VA 2 10A 60mm 4kg 136mm 147.1 (Dia.) x 64.7mm - - - - M8
RS Stock No. 278-6992
Mfr. Part No.60033
MYR126.94
Each
units
115V ac, 230V ac 2 x 15V ac 7VA 2 233mA 24mm 172g 48mm 48 (Dia.) x 24mm - - - - -