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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.

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In Stock RS PRO 230 V ac 2 x 35 V ac Toroidal Transformer 2 Output, UL506, UL51, EN60065 Class II, EN615581 Class II RS Stock No. 123-3990 Subtotal (1 unit) PHP9,009.23(exc. VAT) PHP9,009.23/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 35 V ac	-	-	2	-	58mm	-	2.3kg	115mm	-	50Hz	60Hz	105°C	-	Single Primary, Dual Secondary	180°C	Surface	-	-	Leadout	-	-	UL506, UL51, EN60065 Class II, EN615581 Class II
Temporarily out of stock RS PRO 230 V ac 2 x 18 V ac Toroidal Transformer 2 Output 15 VA RS Stock No. 671-9062 Subtotal (1 unit) PHP1,176.93(exc. VAT) PHP1,176.93/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 18 V ac	-	-	2	417mA	31mm	15VA	365g	60mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Copper Conductor Termination Wire	-	-	No
In Stock RS PRO 230 V ac 2 x 25 V ac Toroidal Transformer 2 Output 120 VA RS Stock No. 671-9006 Subtotal (1 unit) PHP3,717.98(exc. VAT) PHP3,717.98/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
In Stock RS PRO 230 V ac 2 x 12 V ac Toroidal Transformer 2 Output 120 VA, UL 506, IEC 61558 Class II, RoHS, VDE0570 Class II, EN RS Stock No. 671-8996 Subtotal (1 unit) PHP4,098.24(exc. VAT) PHP4,098.24/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 12 V ac	-	-	2	5A	48mm	120VA	1.37kg	96mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Copper Conductor	-	-	UL 506, IEC 61558 Class II, RoHS, VDE0570 Class II, EN 61558 Class II
In Stock RS PRO 230 V ac 2 x 9 V ac Toroidal Transformer 2 Output 15 VA RS Stock No. 671-9056 Subtotal (1 unit) PHP1,924.29(exc. VAT) PHP1,924.29/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 9 V ac	-	-	2	833mA	31mm	15VA	365g	60mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Copper Conductor Termination Wire	-	-	No
In Stock RS PRO 230 V ac 2 x 18 V ac Toroidal Transformer 2 Output 225 VA RS Stock No. 671-9179 Subtotal (1 unit) PHP6,352.63(exc. VAT) PHP6,352.63/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 18 V ac	-	-	2	6.25A	50mm	225VA	2.3kg	120mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Copper Conductor	-	-	No
In Stock RS PRO 230 V ac 2 x 40 V ac Toroidal Transformer 2 Output 500 VA, EN 60065, UL 506, EN 61558-1, UL 5085-1 RS Stock No. 123-4034 Subtotal (1 unit) PHP13,865.90(exc. VAT) PHP13,865.90/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 40 V ac	-	-	2	-	65mm	500VA	3.5kg	148mm	-	50Hz	60Hz	-	-	-	-	Surface	-	-	Wire	-	-	EN 60065, UL 506, EN 61558-1, UL 5085-1
In Stock RS PRO 230 V ac 2 x 25 V ac Toroidal Transformer 2 Output 120 VA, RoHS, UL RS Stock No. 671-9148 Subtotal (1 unit) PHP3,860.21(exc. VAT) PHP3,860.21/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 25 V ac	-	-	2	2.4A	48mm	120VA	1.4kg	96mm	-	50Hz	60Hz	-	Open	Dual Secondary	-	-	-	open-style toroidal	Copper Conductor	-	-	RoHS, UL
In Stock RS PRO 2 x 115 V ac 2 x 115 V ac Toroidal Transformer 2 Output 300 VA, CE, RoHS RS Stock No. 117-6068 Subtotal (1 unit) PHP9,750.56(exc. VAT) PHP9,750.56/unit Quantity	2 x 115 V ac	-	Toroidal Transformer	2 x 115 V ac	-	-	2	-	60mm	300VA	2.7kg	117mm	-	50Hz	60Hz	-	Open	Dual Primary	105°C	Surface	-	-	Termination Wire	-	-	CE, RoHS
Currently unavailable RS PRO 230 V ac 2 x 45 V ac Toroidal Transformer 2 Output 500 VA, EN60065 Class II, EN615581 Class II, UL506, UL51 RS Stock No. 123-4035 Subtotal (1 unit) PHP13,865.90(exc. VAT) PHP13,865.90/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 45 V ac	-	-	2	10A	65mm	500VA	0.3kg	148mm	-	50Hz	60Hz	-	-	-	180°C	Surface	-	-	Wire	-	-	EN60065 Class II, EN615581 Class II, UL506, UL51
In Stock RS PRO 230 V ac 2 x 12 V ac Toroidal Transformer 2 Output 30 VA, UL 506, EN 61558 Class II, VDE0570 Class II, RoHS, IEC RS Stock No. 671-8934 Subtotal (1 unit) PHP2,158.26(exc. VAT) PHP2,158.26/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 12 V ac	-	-	2	1.25A	32mm	30VA	503g	70mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Copper Conductor	-	-	UL 506, EN 61558 Class II, VDE0570 Class II, RoHS, IEC 61558 Class II
In Stock RS PRO 230 V ac 2 x 15 V ac Toroidal Transformer 2 Output 120 VA RS Stock No. 671-8990 Subtotal (1 unit) PHP2,967.91(exc. VAT) PHP2,967.91/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 15 V ac	-	-	2	4A	48mm	120VA	1.4kg	96mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Copper Conductor	-	-	No
Temporarily out of stock RS PRO 230 V ac 11.8 V ac Toroidal Transformer 1 Output 150 VA RS Stock No. 671-9191 Subtotal (1 unit) PHP2,960.95(exc. VAT) PHP2,960.95/unit Quantity	230 V ac	-	Toroidal Transformer	11.8 V ac	-	-	1	12.712A	43mm	150VA	1.7kg	106mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Termination Wire	-	-	No
In Stock RS PRO 230 V ac 11.8 V ac Toroidal Transformer 1 Output 50 VA, UL506, VDE0570 Class II, EN61558 Class II, IEC61558 Class RS Stock No. 671-9189 Subtotal (1 unit) PHP2,900.00(exc. VAT) PHP2,900.00/unit Quantity	230 V ac	-	Toroidal Transformer	11.8 V ac	-	-	1	4.237A	33mm	50VA	0.72kg	80mm	-	50Hz	60Hz	-	-	Insulated Winding	180°C	-	-	-	Lead	-	-	UL506, VDE0570 Class II, EN61558 Class II, IEC61558 Class II
In Stock RS PRO 230 V ac 2 x 30 V ac Toroidal Transformer 2 Output 225 VA, VDE0570 Class II, EN61558 Class II, IEC61558 Class II, RS Stock No. 671-9040 Subtotal (1 unit) PHP5,750.76(exc. VAT) PHP5,750.76/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 30 V ac	-	-	2	1.0408A	50mm	225VA	2.29kg	120mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Lead	-	-	VDE0570 Class II, EN61558 Class II, IEC61558 Class II, UL506
In Stock RS PRO 115 V ac, 230 V ac 2 x 9 V ac Toroidal Transformer 2 Output 30 VA, Non-Short-Circuit ProofUL506IEC61558 Class RS Stock No. 671-9075 Subtotal (1 unit) PHP2,457.06(exc. VAT) PHP2,457.06/unit Quantity	115 V ac, 230 V ac	-	Toroidal Transformer	2 x 9 V ac	-	-	2	1.667A	32mm	30VA	0.503kg	70mm	-	50Hz	60Hz	-	-	Insulated Winding	-	-	-	-	Copper Conductor Termination Wire	-	-	Non-Short-Circuit ProofUL506IEC61558 Class IIVDE0570 Class II, EN61558 Class II
In Stock RS PRO 230 V ac 2 x 25 V ac Toroidal Transformer 2 Output 50 VA, EN 61558 Class II, VDE0570 Class II, UL 506, IEC 61558 RS Stock No. 671-8962 Subtotal (1 unit) PHP2,440.35(exc. VAT) PHP2,440.35/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 25 V ac	-	-	2	1A	33mm	50VA	740g	80mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Copper Conductor	-	-	EN 61558 Class II, VDE0570 Class II, UL 506, IEC 61558 Class II, RoHS
In Stock RS PRO 230 V ac 2 x 6 V ac Toroidal Transformer 2 Output 15 VA, VDE0570 Class II, IEC61558 Class II, EN61558 Class II, RS Stock No. 671-8918 Subtotal (1 unit) PHP1,820.86(exc. VAT) PHP1,820.86/unit Quantity	230 V ac	-	Toroidal Transformer	2 x 6 V ac	-	-	2	1.25A	31mm	15VA	0.365kg	60mm	-	50Hz	60Hz	-	-	-	-	-	-	-	Lead	-	-	VDE0570 Class II, IEC61558 Class II, EN61558 Class II, UL506
In Stock RS PRO 115 V ac, 230 V ac 2 x 25 V ac Toroidal Transformer 2 Output 30 VA, IEC61558 Class II, UL506, EN61558 Class II, RS Stock No. 671-9084 Subtotal (1 unit) PHP2,457.06(exc. VAT) PHP2,457.06/unit Quantity	115 V ac, 230 V ac	-	Toroidal Transformer	2 x 25 V ac	-	-	2	1A	32mm	30VA	0.503kg	70mm	-	50Hz	60Hz	-	-	Insulated Winding	-	-	-	-	Lead	-	-	IEC61558 Class II, UL506, EN61558 Class II, VDE0570 Class II
In Stock RS PRO 2 x 115 V ac 2 x 50 V ac Toroidal Transformer 2 Output 300 VA, CE, RoHS RS Stock No. 117-6066 Subtotal (1 unit) PHP9,750.56(exc. VAT) PHP9,750.56/unit Quantity	2 x 115 V ac	-	Toroidal Transformer	2 x 50 V ac	-	-	2	-	60mm	300VA	2.7kg	117mm	-	50Hz	60Hz	-	Open	Dual Primary	105°C	Surface	-	-	Termination Wire	-	-	CE, RoHS