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. 671-8921
BrandRS PRO
$22.51
Each
units
230V ac 2 x 12V ac 15VA 2 625mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 671-9025
BrandRS PRO
$54.65
Each
units
230V ac 2 x 25V ac 160VA 2 3.2A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 123-4016
BrandRS PRO
$48.36
Each
units
230V ac 2 x 6V ac 50VA 2 - 42mm 650g 87mm 87 (Dia.) x 42mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 173-0187
BrandRS PRO
$46.359
Each (In a Box of 16)
units
230V ac 2 x 15V ac 80VA 2 2.667A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-8987
BrandRS PRO
$35.56
Each
units
230V ac 2 x 15V ac 80VA 2 2.667A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0103
BrandRS PRO
$23.757
Each (In a Box of 24)
units
115 V ac, 230 V ac 2 x 55V ac 50VA 2 455mA 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 117-6076
BrandRS PRO
$122.64
Each
units
2 x 115V ac 2 x 45V ac 800VA - - - - - 160 (Dia.) x 78mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 117-6060
BrandRS PRO
$69.56
Each
units
2 x 115V ac 2 x 115V ac 200VA - - - - - 115 (Dia.) x 45mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 173-0232
BrandRS PRO
$68.669
Each (In a Box of 8)
units
230V ac 2 x 25V ac 160VA 2 3.2A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0175
BrandRS PRO
$37.087
Each (In a Box of 24)
units
230V ac 2 x 6V ac 50VA 2 4.167A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-8959
BrandRS PRO
$29.43
Each
units
230V ac 2 x 6V ac 50VA 2 4.167A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9101
BrandRS PRO
$32.44
Each
units
115 V ac, 230 V ac 2 x 55V ac 50VA 2 455mA 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0100
BrandRS PRO
$23.757
Each (In a Box of 24)
units
115 V ac, 230 V ac 2 x 25V ac 50VA 2 1A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9182
BrandRS PRO
$71.02
Each
units
115V ac, 230V ac 2 x 30V ac 225VA 2 3.75A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0097
BrandRS PRO
$23.409
Each (In a Box of 30)
units
115 V ac, 230 V ac 2 x 25V ac 30VA 2 600mA 32mm 503g 70mm 70 (Dia.) x 32mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0090
BrandRS PRO
$23.409
Each (In a Box of 30)
units
115 V ac, 230 V ac 2 x 15V ac 30VA 2 1A 32mm 503g 70mm 70 (Dia.) x 32mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9084
BrandRS PRO
$30.69
Each
units
115 V ac, 230 V ac 2 x 25V ac 30VA 2 600mA 32mm 503g 70mm 70 (Dia.) x 32mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0252
BrandRS PRO
$84.027
Each (In a Box of 6)
units
115 V ac, 230 V ac 2 x 30V ac 225VA 2 3.75A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 123-4003
BrandRS PRO
$169.66
Each
units
230V ac 2 x 50V ac 800VA 2 - 60mm 5.1kg 162mm 162 (Dia.) x 60mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 671-9107
BrandRS PRO
$31.90
Each
units
115 V ac, 230 V ac 2 x 25V ac 50VA 2 1A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
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