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. 257-5203
Mfr. Part No.91964-P2S2
MYR503.81
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. 223-8207
Mfr. Part No.0300P1-2-025
MYR461.72
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. 223-9266
Mfr. Part No.70041K
MYR101.86
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. 420-9201
Mfr. Part No.92435-P2S2
MYR676.84
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. 361-6260
Mfr. Part No.58-0100-024-D
MYR376.67
Each
units
230V ac 24V ac 100VA 1 4.167A 52mm 1kg 93mm 93 (Dia.) x 52mm - - DIN Rail - -
RS Stock No. 422-5326
Mfr. Part No.92428-P2S2
MYR424.83
Each
units
115V ac, 230V ac 2 x 18V ac 225VA 2 6.3A 47mm 1.9kg 112mm 112 (Dia.) x 47mm 50Hz 60Hz - Leads -
RS Stock No. 223-7894
Mfr. Part No.0050P1-2-012
MYR143.81
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. 223-8257
Mfr. Part No.0500P1-2-025
MYR671.63
Each
units
230V ac 2 x 25V ac 500VA 2 10A 60mm 3.5kg 136mm 136 (Dia.) x 60mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 223-8487
Mfr. Part No.0015P1-2-015K
MYR201.51
Each
units
230V ac 2 x 15V ac 15VA 2 500mA 31mm 350g 60mm 62.4 (Dia.) x 34.5mm - - - - M5
RS Stock No. 223-9395
Mfr. Part No.70061K
MYR114.59
Each
units
115V ac, 230V ac 2 x 9V ac 25VA 2 1.377A - 435g - 60 x 60 x 37.5mm 50Hz 60Hz PCB Pin M4
RS Stock No. 223-7822
Mfr. Part No.0030P1-2-012
MYR133.66
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. 223-8049
Mfr. Part No.0120P1-2-025
MYR214.18
Each
units
230V ac 2 x 25V ac 120VA 2 2.4A 46mm 1.2kg 93mm 93 (Dia.) x 46mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 223-9288
Mfr. Part No.70043K
MYR101.86
Each
units
115V ac, 230V ac 2 x 15V ac 10VA 2 333mA - 252g - 55 x 55 x 26mm 50Hz 60Hz PCB Pin M4
RS Stock No. 223-9200
Mfr. Part No.70032K
MYR92.78
Each
units
115V ac, 230V ac 2 x 12V ac 7VA 2 292mA - 174g - 49.7 x 49.7 x 23.1mm 50Hz 60Hz PCB Pin M4
RS Stock No. 223-8601
Mfr. Part No.0050P1-2-012K
MYR256.47
Each
units
230V ac 2 x 12V ac 50VA 2 2.08A 33mm 800g 80mm 87.3 (Dia.) x 41.7mm - - - - M5
RS Stock No. 223-8285
Mfr. Part No.0500P1-2-040
MYR671.63
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 -
RS Stock No. 422-5253
Mfr. Part No.92421-P2S2
MYR209.91
Each
units
115 V ac, 230 V ac 2 x 12V ac 80VA 2 3.33A 38mm 900g 93mm 93 (Dia.) x 38mm 50Hz 60Hz - Leads -
RS Stock No. 223-8112
Mfr. Part No.0160P1-2-030
MYR354.66
Each
units
230V ac 2 x 30V ac 160VA 2 2.67A 42mm 1.5kg 105mm 105 (Dia.) x 42mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 223-9323
Mfr. Part No.70051K
MYR107.53
Each
units
115V ac, 230V ac 2 x 9V ac 15VA 2 833mA - 304g - 60 x 60 x 26.3mm 50Hz 60Hz PCB Pin M4
RS Stock No. 223-8178
Mfr. Part No.0225P1-2-025
MYR416.75
Each
units
230V ac 2 x 25V ac 225VA 2 4.5A 47mm 1.9kg 112mm 112 (Dia.) x 47mm - 450Hz - Copper Conductor Termination Wire -