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. 671-9047
BrandRS PRO
$67.73
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. 173-0075
BrandRS PRO
$102.67
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. 671-9151
BrandRS PRO
$62.27
Each
units
115V ac, 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. 173-0149
BrandRS PRO
$50.759
Each (In a Box of 8)
units
115 V ac, 230 V ac 2 x 25V ac 160VA 2 3.2A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0152
BrandRS PRO
$48.25
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
$62.48
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. 173-0188
BrandRS PRO
$50.994
Each (In a Box of 16)
units
230V ac 2 x 25V ac 80VA 2 1.6A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-8984
BrandRS PRO
$51.06
Each
units
230V ac 2 x 25V ac 80VA 2 1.6A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 117-6061
BrandRS PRO
$91.10
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. 671-8974
BrandRS PRO
$42.16
Each
units
230V ac 2 x 9V ac 80VA 2 4.444A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 117-6060
BrandRS PRO
$78.37
Each
units
2 x 115V ac 2 x 115V ac 200VA - - - - - 115 (Dia.) x 45mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 173-0185
BrandRS PRO
$50.994
Each (In a Box of 16)
units
230V ac 2 x 9V ac 80VA 2 4.444A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0132
BrandRS PRO
$34.381
Each (In a Box of 16)
units
115 V ac, 230 V ac 2 x 25V ac 80VA 2 1.6A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9129
BrandRS PRO
$43.86
Each
units
115V ac, 230V ac 2 x 25V ac 80VA 2 1.6A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0147
BrandRS PRO
$27.905
Each (In a Box of 20)
units
2 x 115V 2 x 12V 10VA - 417mA 26mm 252g - 55 x 55 x 26mm - 50Hz Through Hole - -
RS Stock No. 671-9173
BrandRS PRO
$75.32
Each
units
115V ac, 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. 173-0251
BrandRS PRO
$92.43
Each (In a Box of 6)
units
115 V ac, 230 V ac 2 x 18V ac 225VA 2 6.25A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0102
BrandRS PRO
$26.133
Each (In a Box of 24)
units
115 V ac, 230 V 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. 173-0249
BrandRS PRO
$92.43
Each (In a Box of 6)
units
115 V ac, 230 V ac 2 x 25V ac 225VA 2 4.5A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 117-6062
BrandRS PRO
$94.33
Each
units
2 x 115V ac 2 x 24V ac 300VA - - - - - 117 (Dia.) x 60mm 50Hz 60Hz Surface Mount Termination Wire -