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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.

563 Products showing for Toroidal Transformers

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In Stock RS PRO 2 x 115 V ac 2 x 40 V ac Toroidal Transformer 2 Output 300, IEC/BS/EN 61558-2-6, IEC/BS/EN 61558-1, UL506, AS/NZS RS Stock No. 117-6065 Subtotal (1 unit) TWD3,828.00(exc. GST) TWD3,828.00/unit Quantity	2 x 115 V ac	Toroidal Transformer	2 x 40 V ac	-	2	-	85mm	300	8.4kg	172mm	-	50Hz	60Hz	-	-	Dual Primary, Dual Secondary	105°C	Surface Mount	-	Termination Wire	-	IEC/BS/EN 61558-2-6, IEC/BS/EN 61558-1, UL506, AS/NZS 61558.1, AS/NZS 61558.2.6
Last RS stock RS PRO 2 x 115 V ac 2 x 12 V Toroidal Transformer 2 Output 7 VA, UL, RoHS RS Stock No. 124-3857 Subtotal (1 unit) TWD614.00(exc. GST) TWD614.00/unit Quantity	2 x 115 V ac	Toroidal Transformer	2 x 12 V	-	2	292mA	23.1mm	7VA	174g	-	-	-	50Hz	-	Potted	Dual Secondary	60°C	Through Hole	-	-	-	UL, RoHS
Last RS stock RS PRO 230 V ac 2 x 25 V ac Toroidal Transformer 2 Output 500, UL506, EN615581 Class II, EN60065 Class II, UL51 RS Stock No. 123-3992 Subtotal (1 unit) TWD5,180.00(exc. GST) TWD5,180.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 25 V ac	-	2	-	60mm	500	3.5kg	136mm	-	50Hz	60Hz	-	-	Dual Secondary	180°C	Surface	-	Wire	-	UL506, EN615581 Class II, EN60065 Class II, UL51
In Stock RS PRO 230 V ac 2 x 55 V ac Toroidal Transformer 2 Output 225 VA, VDE0570 Class II, Non-Short-Circuit Proof, EN61558 RS Stock No. 173-0074 Subtotal (1 box of 6 units) TWD12,310.80(exc. GST) TWD2,051.80/unit Quantity	230 V ac	Toroidal Transformer	2 x 55 V ac	-	2	2.045A	50mm	225VA	2.29kg	120mm	-	50Hz	60Hz	-	-	Primary Winding, Secondary Winding	-	-	-	Copper Conductor	-	VDE0570 Class II, Non-Short-Circuit Proof, EN61558 Class II, IEC61558 Class II, UL506
In Stock RS PRO 230 V ac 2 x 50 V ac Toroidal Transformer 2 Output 500, EN615581 Class II, UL506, EN60065 Class II, UL51 RS Stock No. 123-3996 Subtotal (1 unit) TWD3,318.00(exc. GST) TWD3,318.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 50 V ac	-	2	-	60mm	500	3.5kg	136mm	-	50Hz	60Hz	105°C	-	Dual Secondary	180°C	Surface	-	Wire	-	EN615581 Class II, UL506, EN60065 Class II, UL51
Last RS stock RS PRO 2 x 115 V ac 2 x 18 V Toroidal Transformer 10, REACH, RoHS RS Stock No. 124-3865 Subtotal (1 unit) TWD539.00(exc. GST) TWD539.00/unit Quantity	2 x 115 V ac	Toroidal Transformer	2 x 18 V	-	-	278mA	26mm	10	252g	-	-	-	50Hz	-	-	Dual Primary, Multiple Secondary	60°C	Through Hole	-	-	-	REACH, RoHS
Currently unavailable RS PRO 2 x 115 V ac 2 x 9 V Toroidal Transformer 1.6, REACH, RoHS RS Stock No. 173-0111 Subtotal (1 box of 42 units) TWD21,344.40(exc. GST) TWD508.20/unit Quantity	2 x 115 V ac	Toroidal Transformer	2 x 9 V	-	-	89mA	18.5mm	1.6	82g	-	-	-	50Hz	-	-	Dual Primary	60°C	Through Hole	-	-	-	REACH, RoHS
In Stock RS PRO 230 V ac 2 x 6 V ac Toroidal Transformer 2 Output 50 VA, RoHS, UL RS Stock No. 123-4016 Subtotal (1 unit) TWD2,028.00(exc. GST) TWD2,028.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 6 V ac	-	2	-	42mm	50VA	650g	87mm	-	50Hz	60Hz	-	Open	Dual Secondary	-	Surface	-	Wire	-	RoHS, UL
In Stock RS PRO 230 V ac 2 x 55 V ac Toroidal Transformer 2 Output 500, EN615581 Class II, UL506, EN60065 Class II, UL51 RS Stock No. 123-3997 Subtotal (1 unit) TWD5,180.00(exc. GST) TWD5,180.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 55 V ac	-	2	-	60mm	500	3.5kg	136mm	-	50Hz	60Hz	-	-	Dual Secondary	180°C	Surface	-	Wire	-	EN615581 Class II, UL506, EN60065 Class II, UL51
Currently unavailable RS PRO 2 x 115 V ac 2 x 7 V Toroidal Transformer 5, RoHS, REACH RS Stock No. 173-0119 Subtotal (1 box of 30 units) TWD16,593.00(exc. GST) TWD553.10/unit Quantity	2 x 115 V ac	Toroidal Transformer	2 x 7 V	-	-	357mA	19.5mm	5	144g	-	-	-	50Hz	-	-	-	60°C	Through Hole	-	-	-	RoHS, REACH
In Stock RS PRO 230 V ac 2 x 18 V ac Toroidal Transformer 2 Output 30 VA, UL 506, IEC 61558 Class II, VDE0570 Class II, RoHS, EN RS Stock No. 671-8946 Subtotal (1 unit) TWD1,278.00(exc. GST) TWD1,278.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 18 V ac	-	2	833mA	32mm	30VA	503g	70mm	-	50Hz	60Hz	-	-	-	-	-	-	Copper Conductor Termination Wire	-	UL 506, IEC 61558 Class II, VDE0570 Class II, RoHS, EN 61558 Class II
In Stock RS PRO 230 V ac 2 x 12 V ac Toroidal Transformer 2 Output 225 VA, IEC 61558 Class II, EN 61558 Class II, UL 506, VDE0570 RS Stock No. 671-9167 Subtotal (1 unit) TWD2,655.00(exc. GST) TWD2,655.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 12 V ac	-	2	9.375A	50mm	225VA	2.29kg	120mm	-	50Hz	60Hz	-	-	-	-	-	-	Copper Conductor	-	IEC 61558 Class II, EN 61558 Class II, UL 506, VDE0570 Class II, RoHS
In Stock RS PRO 2 x 115 V ac 2 x 35 V ac Toroidal Transformer 2 Output 300, UL51, UL506, EN615581 Class II, EN60065 Class II RS Stock No. 123-4038 Subtotal (1 unit) TWD4,159.00(exc. GST) TWD4,159.00/unit Quantity	2 x 115 V ac	Toroidal Transformer	2 x 35 V ac	-	2	-	58mm	300	2.3kg	115mm	-	50Hz	60Hz	-	-	Dual Primary, Dual Secondary	180°C	Surface	-	Wire	-	UL51, UL506, EN615581 Class II, EN60065 Class II
In Stock RS PRO 115 V ac, 230 V ac 2 x 12 V ac Toroidal Transformer 2 Output 30 VA, VDE0570 Class II, IEC61558 Class II, EN61558 RS Stock No. 671-9078 Subtotal (1 unit) TWD1,621.00(exc. GST) TWD1,621.00/unit Quantity	115 V ac, 230 V ac	Toroidal Transformer	2 x 12 V ac	-	2	1.25A	32mm	30VA	503g	70mm	-	50Hz	60Hz	-	-	Secondary Winding, Primary Winding	-	-	-	Copper Conductor Termination Wire	-	VDE0570 Class II, IEC61558 Class II, EN61558 Class II, UL506
In Stock RS PRO 230 V ac 2 x 25 V ac Toroidal Transformer 2 Output 120 VA RS Stock No. 173-0213 Subtotal (1 box of 12 units) TWD16,227.60(exc. GST) TWD1,352.30/unit Quantity	230 V ac	Toroidal Transformer	2 x 25 V ac	-	2	2.4A	48mm	120VA	1.4kg	96mm	-	50Hz	60Hz	-	-	-	-	-	-	Copper Conductor	-	No
Temporarily out of stock RS PRO 230 V ac 2 x 35 V ac Toroidal Transformer 2 Output 500 VA, UL506, EN615581 Class II, UL51, EN60065 Class II RS Stock No. 123-4033 Subtotal (1 unit) TWD5,572.00(exc. GST) TWD5,572.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 35 V ac	-	2	10A	65mm	500VA	3.5kg	148mm	-	50Hz	60Hz	105°C	-	Dual Secondary	180°C	Surface	-	Wire	-	UL506, EN615581 Class II, UL51, EN60065 Class II
In Stock RS PRO 230 V ac 2 x 6 V ac Toroidal Transformer 2 Output 15 VA RS Stock No. 671-9053 Subtotal (1 unit) TWD1,447.00(exc. GST) TWD1,447.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 6 V ac	-	2	1.25A	31mm	15VA	365g	60mm	-	50Hz	60Hz	-	-	-	-	-	-	Copper Conductor Termination Wire	-	No
In Stock RS PRO 2 x 115 V ac 2 x 115 V ac Toroidal Transformer 2 Output 200 VA, RoHS, CE RS Stock No. 117-6060 Subtotal (1 unit) TWD1,964.00(exc. GST) TWD1,964.00/unit Quantity	2 x 115 V ac	Toroidal Transformer	2 x 115 V ac	-	2	-	85mm	200VA	-	-	-	50Hz	60Hz	105°C	Open	Dual Primary	105°C	Surface	-	Termination Wire	-	RoHS, CE
In Stock RS PRO 230 V ac 2 x 12 V ac Toroidal Transformer 2 Output 160 VA, IEC 61558 Class II, RoHS, UL 506, EN 61558 Class II, RS Stock No. 671-9145 Subtotal (1 unit) TWD1,853.00(exc. GST) TWD1,853.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 12 V ac	-	2	6.667A	46mm	160VA	1.74kg	109mm	-	50Hz	60Hz	-	-	-	-	-	-	Copper Conductor	-	IEC 61558 Class II, RoHS, UL 506, EN 61558 Class II, VDE0570 Class II
Temporarily out of stock RS PRO 230 V ac 2 x 6 V ac Toroidal Transformer 2 Output 30, UL506 & UL51, EN615581 Class II, EN60065 Class II RS Stock No. 123-4011 Subtotal (1 unit) TWD1,805.00(exc. GST) TWD1,805.00/unit Quantity	230 V ac	Toroidal Transformer	2 x 6 V ac	-	2	10A	39mm	30	450g	82mm	-	50Hz	60Hz	105°C	-	-	180°C	Surface	-	Wire	-	UL506 & UL51, EN615581 Class II, EN60065 Class II

Toroidal Transformers

How do Toroidal Transformers they work?

Benefits of Toroidal Transformers

563 Products showing for Toroidal Transformers

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