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. 173-0152
BrandRS PRO
€23.76
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. 671-9160
BrandRS PRO
€28.35
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. 123-3997
BrandRS PRO
€67.59
Each
units
230V ac 2 x 55V ac 500VA 2 - 60mm 3.5kg 136mm 136 (Dia.) x 60mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 117-6059
BrandRS PRO
€38.53
Each
units
2 x 115V ac 2 x 24V ac 200VA - - - - - 115 (Dia.) x 45mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 117-6065
BrandRS PRO
€48.95
Each
units
2 x 115V ac 2 x 40V ac 300VA - - - - - 117 (Dia.) x 60mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 117-6051
BrandRS PRO
€27.37
Each
units
2 x 115V ac 2 x 12V ac 100VA 2 - 42mm 1.1kg 90mm 90 (Dia.) x 42mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 117-6052
BrandRS PRO
€26.59
Each
units
2 x 115V ac 2 x 15V ac 100VA - - - - - 90 (Dia.) x 42mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 671-9148
BrandRS PRO
€23.02
Each
units
115V ac, 230V ac 2 x 25V ac 120VA 2 2.4A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0136
BrandRS PRO
€19.833
Each (In a Box of 12)
units
115 V ac, 230 V ac 2 x 25V ac 120VA 2 2.4A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9028
BrandRS PRO
€29.83
Each
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. 117-6062
BrandRS PRO
€44.18
Each
units
2 x 115V ac 2 x 24V ac 300VA - - - - - 117 (Dia.) x 60mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 173-0098
BrandRS PRO
€12.161
Each (In a Box of 24)
units
115 V ac, 230 V ac 2 x 12V ac 50VA 2 2.083A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-8996
BrandRS PRO
€27.94
Each
units
230V ac 2 x 12V ac 120VA 2 5A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0075
BrandRS PRO
€27.48
Each (In a Box of 6)
units
230V ac 2 x 25V ac 225VA 2 4.5A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0233
BrandRS PRO
€24.468
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. 671-9047
BrandRS PRO
€32.74
Each
units
230V ac 2 x 25V ac 225VA 2 4.5A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0212
BrandRS PRO
€19.207
Each (In a Box of 12)
units
230V ac 2 x 12V ac 120VA 2 5A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0154
BrandRS PRO
€29.95
Each (In a Box of 6)
units
115 V ac, 230 V ac 2 x 12V ac 225VA 2 9.375A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9090
BrandRS PRO
€16.59
Each
units
115 V ac, 230 V ac 2 x 12V ac 50VA 2 2.083A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 117-6060
BrandRS PRO
€36.70
Each
units
2 x 115V ac 2 x 115V ac 200VA - - - - - 115 (Dia.) x 45mm 50Hz 60Hz Surface Mount Termination Wire -
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