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. 117-6053
BrandRS PRO
kr 298,09
Each
Units
2 x 115V ac 2 x 18V ac 100VA - - - - - 90 (Dia.) x 42mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 117-6068
BrandRS PRO
kr 527,05
Each
Units
2 x 115V ac 2 x 115V ac 300VA 2 - 60mm 2.7kg 117mm 117 (Dia.) x 60mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 173-0152
BrandRS PRO
kr 259,528
Each (In a Box of 8)
Units
115 V ac, 230 V ac 2 x 30V ac 160VA 2 2.667A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0093
BrandRS PRO
kr 134,36
Each (In a Box of 30)
Units
115 V ac, 230 V ac 2 x 12V ac 30VA 2 1.25A 32mm 503g 70mm 70 (Dia.) x 32mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9160
BrandRS PRO
kr 309,62
Each
Units
115V ac, 230V ac 2 x 30V ac 160VA 2 2.667A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9078
BrandRS PRO
kr 179,05
Each
Units
115 V ac, 230 V ac 2 x 12V ac 30VA 2 1.25A 32mm 503g 70mm 70 (Dia.) x 32mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9053
BrandRS PRO
kr 124,48
Each
Units
115 V ac, 230 V ac 2 x 6V ac 15VA 2 1.25A 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0084
BrandRS PRO
kr 84,419
Each (In a Box of 40)
Units
115 V ac, 230 V ac 2 x 6V ac 15VA 2 1.25A 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0126
BrandRS PRO
kr 101,898
Each (In a Box of 30)
Units
2 x 115V 2 x 12V 7VA - 292mA 23.1mm 174g - 49.7 x 49.7 x 23.1mm - 50Hz Through Hole - -
RS Stock No. 124-3857
BrandRS PRO
kr 113,28
Each
Units
2 x 115V 2 x 12V 7VA - - 23.1mm 174g - 49.7 x 49.7 x 23.1mm - 50Hz Through Hole - -
RS Stock No. 123-3988
BrandRS PRO
kr 523,78
Each
Units
230V ac 2 x 25V ac 300VA 2 - 58mm 2.3kg 115mm 115 (Dia.) x 58mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 671-9003
BrandRS PRO
kr 263,20
Each
Units
230V ac 2 x 18V ac 120VA 2 3.333A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0151
BrandRS PRO
kr 263,536
Each (In a Box of 8)
Units
115 V ac, 230 V ac 2 x 18V ac 160VA 2 4.444A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 117-6056
BrandRS PRO
kr 270,70
Each
Units
2 x 115V ac 2 x 24V ac 120VA - - - - - 90 (Dia.) x 48mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 173-0233
BrandRS PRO
kr 301,015
Each (In a Box of 8)
Units
230V ac 2 x 30V ac 160VA 2 2.667A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 123-4034
BrandRS PRO
kr 836,55
Each
Units
230V ac 2 x 40V ac 500VA 2 - 65mm 3.5kg 148mm 148 (Dia.) x 65mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 173-0171
BrandRS PRO
kr 166,912
Each (In a Box of 24)
Units
230V ac 2 x 15V ac 50VA 2 1.667A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0156
BrandRS PRO
kr 111,476
Each (In a Box of 20)
Units
2 x 115V 2 x 18V 10VA - 278mA 26mm 252g - 55 x 55 x 26mm - 50Hz Through Hole - -
RS Stock No. 117-6082
BrandRS PRO
kr 1 377,41
Each
Units
2 x 115V ac 2 x 115V ac 1000VA 2 - 85mm 8.4kg 172mm 172 (Dia.) x 85mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 671-8965
BrandRS PRO
kr 185,47
Each
Units
230V ac 2 x 15V ac 50VA 2 1.667A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
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