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. 173-0233
BrandRS PRO
MYR202.873
Each (In a Box of 8)
units
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. 671-9028
BrandRS PRO
MYR157.46
Each
units
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. 671-9126
BrandRS PRO
MYR135.89
Each
units
115V ac, 230V ac 2 x 18V ac 80VA 2 2.222A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0131
BrandRS PRO
MYR76.806
Each (In a Box of 16)
units
115 V ac, 230 V ac 2 x 18V ac 80VA 2 2.222A 38mm 1kg 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0251
BrandRS PRO
MYR248.24
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. 671-9179
BrandRS PRO
MYR148.28
Each
units
115V ac, 230V ac 2 x 18V ac 225VA 2 6.25A 50mm 2.3kg 120mm 120 (Dia.) x 50mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 671-9104
BrandRS PRO
MYR83.17
Each
units
115 V ac, 230 V ac 2 x 18V ac 50VA 2 1.389A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0101
BrandRS PRO
MYR70.188
Each (In a Box of 24)
units
115 V ac, 230 V ac 2 x 18V ac 50VA 2 1.389A 33mm 740g 80mm 80 (Dia.) x 33mm 50Hz 60Hz - Copper Conductor Termination Wire -
RS Stock No. 257-5203
Mfr. Part No.91964-P2S2
MYR236.74
Each
units
115V ac, 230V ac 2 x 25V ac 300VA 2 6A 58mm 2.3kg 115mm 115 (Dia.) x 58mm 50Hz 60Hz - Leads -
RS Stock No. 671-9139
BrandRS PRO
MYR131.81
Each
units
115V ac, 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. 173-0135
BrandRS PRO
MYR81.516
Each (In a Box of 12)
units
115 V ac, 230 V ac 2 x 18V ac 120VA 2 3.333A 48mm 1.4kg 96mm 96 (Dia.) x 48mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 173-0151
BrandRS PRO
MYR117.291
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. 671-9157
BrandRS PRO
MYR145.67
Each
units
115V ac, 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. 223-8207
Mfr. Part No.0300P1-2-025
MYR248.88
Each
units
230V ac 2 x 25V ac 300VA 2 6A 58mm 2.3kg 115mm 115 (Dia.) x 58mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0230
BrandRS PRO
MYR202.873
Each (In a Box of 8)
units
230V ac 2 x 15V ac 160VA 2 5.333A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 420-9201
Mfr. Part No.92435-P2S2
MYR347.55
Each
units
115V ac, 230V ac 2 x 40V ac 500VA 2 6.25A 60mm 3.5kg 136mm 136 (Dia.) x 60mm 50Hz 60Hz - Leads -
RS Stock No. 671-9012
BrandRS PRO
MYR114.58
Each
units
230V ac 2 x 15V ac 160VA 2 5.333A 46mm 1.7kg 109mm 109 (Dia.) x 46mm 50Hz 60Hz - Copper Conductor -
RS Stock No. 223-9266
Mfr. Part No.70041K
MYR63.14
Each
units
115V ac, 230V ac 2 x 9V ac 10VA 2 556mA - 252g - 55 x 55 x 26mm 50Hz 60Hz PCB Pin M4
RS Stock No. 752-9378
Mfr. Part No.RKD 300/2x24
BrandBlock
MYR367.92
Each
units
115V ac, 230V ac 2 x 24V ac 300VA 2 - - 3kg 125mm - 50Hz 60Hz - Leads -
RS Stock No. 173-0169
BrandRS PRO
MYR109.568
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 -
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