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. 223-8910
Mfr. Part No.0500P1-2-035K
$158.41
Each
units
230V ac 2 x 35V ac 500VA 2 7.14A 60mm 4kg 136mm 147.1 (Dia.) x 64.7mm - - - - M8
RS Stock No. 173-0081
BrandRS PRO
$25.85
Each (In a Box of 40)
units
230V ac 2 x 18V ac 15VA 2 417mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 671-8928
BrandRS PRO
$19.13
Each
units
230V ac 2 x 18V ac 15VA 2 417mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 671-8956
BrandRS PRO
$33.45
Each
units
230V 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. 173-0169
BrandRS PRO
$36.36
Each (In a Box of 24)
units
230V 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. 671-9148
BrandRS PRO
$44.58
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
$27.05
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. 223-7894
Mfr. Part No.0050P1-2-012
$28.20
Each
units
230V ac 2 x 12V ac 50VA 2 2.08A 33mm 650g 80mm 80 (Dia.) x 33mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 671-8912
BrandRS PRO
$22.07
Each
units
230V ac 2 x 9V ac 15VA 2 833mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 173-0082
BrandRS PRO
$25.85
Each (In a Box of 40)
units
230V ac 2 x 9V ac 15VA 2 833mA 31mm 365g 60mm 60 (Dia.) x 31mm 50Hz 60Hz - Copper Conductor Termination Wire 6mm
RS Stock No. 223-7822
Mfr. Part No.0030P1-2-012
$30.63
Each
units
230V ac 2 x 12V ac 30VA 2 1.25A 32mm 450g 70mm 70 (Dia.) x 32mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 123-3991
BrandRS PRO
$89.54
Each
units
230V ac 2 x 55V ac 300VA 2 - 58mm 2.3kg 115mm 115 (Dia.) x 58mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 173-0228
BrandRS PRO
$67.323
Each (In a Box of 8)
units
230V ac 2 x 18V ac 160VA 2 4.444A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9016
BrandRS PRO
$50.95
Each
units
230V ac 2 x 18V ac 160VA 2 4.444A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9047
BrandRS PRO
$59.47
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
$91.507
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. 420-9368
Mfr. Part No.92450-P2S2
$224.15
Each
units
115 V ac, 230 V ac 2 x 55V ac 1000VA 2 9.09A 70mm 6.5kg 162mm 162 (Dia.) x 70mm 50Hz 60Hz - Leads -
RS Stock No. 752-9393
Mfr. Part No.RKD 400/2x18
BrandBlock
$111.86
Each
units
115V ac, 230V ac 2 x 18V ac 400VA 2 - - 4.1kg 128mm - 50Hz 60Hz - Leads -
RS Stock No. 361-6260
Mfr. Part No.58-0100-024-D
$76.92
Each
units
230V ac 24V ac 100VA 1 4.167A 52mm 1kg 93mm 93 (Dia.) x 52mm - - DIN Rail - -
RS Stock No. 223-8285
Mfr. Part No.0500P1-2-040
$139.82
Each
units
230V ac 2 x 40V ac 500VA 2 6.25A 60mm 3.5kg 136mm 136 (Dia.) x 60mm - 450Hz - Copper Conductor Termination Wire -
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