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. 752-9378
Mfr. Part No.RKD 300/2x24
BrandBlock
MYR442.45
Each
units
115V ac, 230V ac 2 x 24V ac 300VA 2 - - 3kg 125mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9375
Mfr. Part No.RKD 330/2x18
BrandBlock
MYR457.97
Each
units
115V ac, 230V ac 2 x 18V ac 330VA 2 - - 3.3kg 124mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9441
Mfr. Part No.RKD 625/2x115
BrandBlock
MYR1,033.08
Each
units
115V ac, 230V ac 2 x 115V ac 625VA 2 - - 6.1kg 152mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9249
Mfr. Part No.RKD 100/2x24
BrandBlock
MYR215.13
Each
units
115V ac, 230V ac 2 x 24V ac 100VA 2 - - 1.2kg 92mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9454
Mfr. Part No.RKD 80/2x24
BrandBlock
MYR232.44
Each
units
115V ac, 230V ac 2 x 24V ac 80VA 2 - - 1.1kg 88mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9393
Mfr. Part No.RKD 400/2x18
BrandBlock
MYR526.26
Each
units
115V ac, 230V ac 2 x 18V ac 400VA 2 - - 4.1kg 128mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9369
Mfr. Part No.RKD 300/2x18
BrandBlock
MYR442.45
Each
units
115V ac, 230V ac 2 x 18V ac 300VA 2 - - 3kg 125mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9432
Mfr. Part No.RKD 60/2x24
BrandBlock
MYR189.39
Each
units
115 V ac, 230 V ac 2 x 24V ac 60VA 2 - - 750g 80mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9246
Mfr. Part No.RKD 1000/2x50
BrandBlock
MYR1,035.58
Each
units
115 V ac, 230 V ac 2 x 50V ac 1000VA 2 - - 8.3kg 168mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9319
Mfr. Part No.RKD 200/2x24
BrandBlock
MYR341.75
Each
units
115V ac, 230V ac 2 x 24V ac 200VA 2 - - 2.2kg 114mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9390
Mfr. Part No.RKD 40/2x24
BrandBlock
MYR177.21
Each
units
115 V ac, 230 V ac 2 x 24V ac 40VA 2 - - 560g 75mm - 50Hz 60Hz - Leads -
RS Stock No. 758-1042
Mfr. Part No.RKD 100/2x30
BrandBlock
MYR261.31
Each
units
2 x 115V ac 2 x 30V ac 100VA 2 - 45mm 1.2kg 94mm 94 (Dia.) x 45mm 50Hz 60Hz Screw Mount Leads 92mm
RS Stock No. 752-9416
Mfr. Part No.RKD 50/2x24
BrandBlock
MYR216.56
Each
units
115 V ac, 230 V ac 2 x 24V ac 50VA 2 - - 700g 77mm - 50Hz 60Hz - Leads -
RS Stock No. 123-3098
Mfr. Part No.RKD 60/2x30
BrandBlock
MYR218.69
Each
units
2 x 115V ac 2 x 30V ac 60VA - - - - - 83 (Dia) x 38mm 50Hz 60Hz Surface Mount Lead Wire -
RS Stock No. 752-9242
Mfr. Part No.RKD 1000/2x115
BrandBlock
MYR1,035.58
Each
units
115 V ac, 230 V ac 2 x 115V ac 1000VA 2 - - 8.3kg 168mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9264
Mfr. Part No.RKD 1200/2x115
BrandBlock
MYR1,188.47
Each
units
115 V ac, 230 V ac 2 x 115V ac 1200VA 2 - - 9.8kg 167mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9328
Mfr. Part No.RKD 2000/2x115
BrandBlock
MYR1,662.96
Each
units
115 V ac, 230 V ac 2 x 115V ac 2000VA 2 - - 15kg 206mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9410
Mfr. Part No.RKD 500/2x24
BrandBlock
MYR524.14
Each
units
115V ac, 230V ac 2 x 24V ac 500VA 2 - - 4.8kg 140mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9280
Mfr. Part No.RKD 160/2x24
BrandBlock
MYR234.55
Each
units
115V ac, 230V ac 2 x 24V ac 160VA 2 - - 1.7kg 105mm - 50Hz 60Hz - Leads -
RS Stock No. 752-9230
Mfr. Part No.RKD 100/2x18
BrandBlock
MYR238.75
Each
units
115V ac, 230V ac 2 x 18V ac 100VA 2 - - 1.2kg 92mm - 50Hz 60Hz - Leads -