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. 223-8235
Mfr. Part No.0300P1-2-035
$157.62
Each
units
230V ac 2 x 35V ac 300VA 2 4.28A 58mm 2.3kg 115mm 115 (Dia.) x 58mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 223-7838
Mfr. Part No.0030P1-2-015
$45.16
Each
units
230V ac 2 x 15V ac 30VA 2 1A 32mm 450g 70mm 70 (Dia.) x 32mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 671-9047
BrandRS PRO
$66.73
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
$103.603
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. 257-5174
Mfr. Part No.91961-P2S2
$125.37
Each
units
115V ac, 230V ac 2 x 25V ac 160VA 2 3.2A 42mm 1.5kg 105mm 105 (Dia.) x 42mm 50Hz 60Hz - Leads -
RS Stock No. 671-9151
BrandRS PRO
$61.35
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. 223-8106
Mfr. Part No.0160P1-2-025
$122.17
Each
units
230V ac 2 x 25V ac 160VA 2 3.2A 42mm 1.5kg 105mm 105 (Dia.) x 42mm - 450Hz - Copper Conductor Termination Wire -
RS Stock No. 173-0149
BrandRS PRO
$49.51
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
$36.456
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
$62.12
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
$51.458
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
$48.64
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. 422-5332
Mfr. Part No.92429-P2S2
$145.02
Each
units
115V ac, 230V ac 2 x 25V ac 225VA 2 4.5A 47mm 1.9kg 112mm 112 (Dia.) x 47mm 50Hz 60Hz - Leads -
RS Stock No. 278-6879
Mfr. Part No.60015
$38.67
Each
units
115V ac, 230V ac 2 x 22V ac 3.2VA 2 73mA 18mm 102g 42.5mm 42.5 (Dia.) x 18mm - - - - -
RS Stock No. 173-0185
BrandRS PRO
$51.458
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. 117-6060
BrandRS PRO
$74.63
Each
units
2 x 115V ac 2 x 115V ac 200VA - - - - - 115 (Dia.) x 45mm 50Hz 60Hz Surface Mount Termination Wire -
RS Stock No. 117-6061
BrandRS PRO
$87.55
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
$41.13
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. 671-9129
BrandRS PRO
$42.14
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. 223-7765
Mfr. Part No.0015P1-2-009
$36.56
Each
units
230V ac 2 x 9V ac 15VA 2 830mA 31mm 300g 60mm 60 (Dia.) x 31mm - 450Hz - Copper Conductor Termination Wire -
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