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. 671-8990
BrandRS PRO
$44.21
Each
units
230V ac 2 x 15V ac 120VA 2 4A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0134
BrandRS PRO
$36.614
Each (In a Box of 12)
units
115 V ac, 230 V ac 2 x 15V ac 120VA 2 4A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0210
BrandRS PRO
$53.893
Each (In a Box of 12)
units
230V ac 2 x 15V ac 120VA 2 4A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9132
BrandRS PRO
$45.89
Each
units
115V ac, 230V ac 2 x 12V ac 120VA 2 5A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0133
BrandRS PRO
$36.614
Each (In a Box of 12)
units
115 V ac, 230 V ac 2 x 12V ac 120VA 2 5A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9072
BrandRS PRO
$30.66
Each
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. 671-9135
BrandRS PRO
$42.17
Each
units
115V ac, 230V ac 2 x 15V ac 120VA 2 4A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 117-6068
BrandRS PRO
$89.09
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. 117-6061
BrandRS PRO
$81.59
Each
units
2 x 115V ac 2 x 24V ac 250VA 2 - 52mm 2.4kg 115mm 115 (Dia.) x 52mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 671-9050
BrandRS PRO
$22.22
Each
units
115 V ac, 230 V ac 2 x 12V ac 15VA 2 625mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0080
BrandRS PRO
$26.367
Each (In a Box of 40)
units
230V ac 2 x 15V ac 15VA 2 500mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 173-0168
BrandRS PRO
$37.087
Each (In a Box of 24)
units
230V ac 2 x 9V ac 50VA 2 2.778A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0072
BrandRS PRO
$21.815
Each (In a Box of 40)
units
115 V ac, 230 V ac 2 x 12V ac 15VA 2 625mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 671-8924
BrandRS PRO
$28.41
Each
units
230V ac 2 x 15V ac 15VA 2 500mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 123-4038
BrandRS PRO
$103.61
Each
units
2 x 115V ac 2 x 35V ac 300VA 2 - 58mm 2.3kg 115mm 115 (Dia.) x 58mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 117-6069
BrandRS PRO
$118.62
Each
units
2 x 115V ac 2 x 24V ac 400VA 2 - 55mm - 130mm 130 (Dia.) x 55mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 671-9066
BrandRS PRO
$28.67
Each
units
115 V ac, 230 V ac 2 x 6V ac 30VA 2 2.5A 32mm 503g 70mm 70 (Dia.) x 32mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0098
BrandRS PRO
$23.757
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. 671-9090
BrandRS PRO
$31.44
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. 173-0083
BrandRS PRO
$22.762
Each (In a Box of 30)
units
115 V ac, 230 V ac 2 x 6V ac 30VA 2 2.5A 32mm 503g 70mm 70 (Dia.) x 32mm 50Hz 60Hz - Copper Conductor Termination Wire -
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