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. 117-6054
BrandRS PRO
$51.15
Each
units
2 x 115V ac 2 x 24V ac 100VA - - - - - 90 (Dia.) x 42mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 173-0151
BrandRS PRO
$44.54
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. 123-4005
BrandRS PRO
$174.62
Each
units
230V ac 2 x 40V ac 1000VA 2 - 70mm 6.5kg 162mm 162 (Dia.) x 70mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 671-8918
BrandRS PRO
$22.14
Each
units
230V ac 2 x 6V ac 15VA 2 1.25A 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 117-6062
BrandRS PRO
$84.99
Each
units
2 x 115V ac 2 x 24V ac 300VA - - - - - 117 (Dia.) x 60mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 173-0211
BrandRS PRO
$35.458
Each (In a Box of 12)
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. 173-0085
BrandRS PRO
$17.388
Each (In a Box of 40)
units
115 V ac, 230 V ac 2 x 9V ac 15VA 2 833mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9056
BrandRS PRO
$21.03
Each
units
115 V ac, 230 V ac 2 x 9V ac 15VA 2 833mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0154
BrandRS PRO
$55.29
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. 671-9167
BrandRS PRO
$63.73
Each
units
115V ac, 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. 173-0086
BrandRS PRO
$18.292
Each (In a Box of 40)
units
115 V ac, 230 V ac 2 x 15V ac 15VA 2 500mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9069
BrandRS PRO
$21.56
Each
units
115 V ac, 230 V ac 2 x 15V ac 15VA 2 500mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9003
BrandRS PRO
$45.15
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. 123-4031
BrandRS PRO
$118.54
Each
units
230V ac 2 x 25V ac 500VA 2 - 65mm 3.5kg 148mm 148 (Dia.) x 65mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 671-9022
BrandRS PRO
$43.20
Each
units
230V ac 2 x 55V ac 160VA 2 1.455A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0229
BrandRS PRO
$42.938
Each (In a Box of 8)
units
230V ac 2 x 55V ac 160VA 2 1.455A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 117-6051
BrandRS PRO
$51.87
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. 173-0079
BrandRS PRO
$17.345
Each (In a Box of 40)
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. 173-0187
BrandRS PRO
$29.009
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
$39.70
Each
units
230V ac 2 x 15V ac 80VA 2 2.667A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
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