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PCB Transformers

Transformers function as current regulators to reduce or increase the voltage of alternating currents in a variety of machinery. PCB (printed circuit board) transformers are designed to work with printed circuit boards, which offer a compact and convenient way to connect electric components.

The PCB transformer sits above the surface of the board, where it controls the voltage or current transitioning through the board.

What are PCB transformers used for?

PCB transformers are used mainly in manufacturing processes where current regulation is needed. They're also used in computer hardware applications and consumer devices to protect them from power surges.

Types of PCB transformers

PCB transformers can be recognised by their mounting capabilities. They are surface mounted or through-hole mounted.

Through-hole mounted transformers have connectors or pins that can pierce through the board. They are generally used in multilayered printed circuit boards. Surface mounted transformers do not penetrate into the board itself and are therefore very compact, which makes them a popular choice for many applications.

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In Stock RS PRO 2 x 15 V ac 2 Output PCB PCB Transformer, IECBSEN 615586, RoHS, ASNZS 61558.1, CE, IECBSEN 615581, ASNZS 61558..6 RS Stock No. 121-3834 Subtotal (1 unit) €16.25(exc. VAT) €16.25/unit Quantity	PCB Transformer	2 x 15 V ac	-	-	230 V ac	-	2	41mm	35mm	28mm	7.5VA	-	150g	PCB	-	4kVrms	-	-	-	889mA	Independent Secondary, Single Primary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615586, RoHS, ASNZS 61558.1, CE, IECBSEN 615581, ASNZS 61558..6
In Stock RS PRO 2 x 9 V ac 2 Output PCB PCB Transformer, CE, IECBSEN 615586, ASNZS 61558.1, RoHS, ASNZS 61558..6, IECBSEN 615581 RS Stock No. 121-3845 Subtotal (1 unit) €25.68(exc. VAT) €25.68/unit Quantity	PCB Transformer	2 x 9 V ac	-	-	230 V ac	-	2	51mm	43mm	35mm	10VA	-	440g	PCB	-	4kVrms	-	-	-	-	-	-	130°C	-	50Hz	-	60Hz	-	CE, IECBSEN 615586, ASNZS 61558.1, RoHS, ASNZS 61558..6, IECBSEN 615581
In Stock RS PRO 2 x 12 V ac 2 Output PCB PCB Transformer, IECBSEN 615581, ASNZS 61558..6, IECBSEN 615586, CE, ASNZS 61558.1, RoHS RS Stock No. 121-3852 Subtotal (1 unit) €45.47(exc. VAT) €45.47/unit Quantity	PCB Transformer	2 x 12 V ac	-	-	230 V ac, 115 V	-	2	68mm	57mm	31mm	24VA	-	450g	PCB	-	3.75kVrms	-	-	20	1666.6mA	Independent Secondary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615581, ASNZS 61558..6, IECBSEN 615586, CE, ASNZS 61558.1, RoHS
In Stock RS PRO 2 x 18 V ac 2 Output PCB PCB Transformer, IECBSEN 615586, ASNZS 61558..6, CE, RoHS, ASNZS 61558.1, IECBSEN 615581 RS Stock No. 121-3857 Subtotal (1 unit) €36.38(exc. VAT) €36.38/unit Quantity	PCB Transformer	2 x 18 V ac	-	-	115 V, 230 V ac	-	2	68mm	57mm	35mm	30VA	-	530g	PCB	-	3.75kVrms	-	-	10	1666.6mA	Independent Secondary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615586, ASNZS 61558..6, CE, RoHS, ASNZS 61558.1, IECBSEN 615581
In Stock RS PRO 2 x 9 V ac 2 Output PCB PCB Transformer, IECBSEN 615581, CE, IECBSEN 615586, ASNZS 61558.1, ASNZS 61558..6, RoHS RS Stock No. 121-3822 Subtotal (1 unit) €9.69(exc. VAT) €9.69/unit Quantity	PCB Transformer	2 x 9 V ac	-	-	230 V ac	-	2	32.5mm	27.5mm	24mm	1.5VA	-	440g	PCB	-	4kVrms	-	-	14	-	Single Primary, Independent Secondary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615581, CE, IECBSEN 615586, ASNZS 61558.1, ASNZS 61558..6, RoHS
In Stock RS PRO 2 x 15 V ac 2 Output PCB PCB Transformer, ASNZS 61558.1, ASNZS 61558..6, CE, IECBSEN 615586, RoHS, IECBSEN 615581 RS Stock No. 121-3856 Subtotal (1 unit) €40.22(exc. VAT) €40.22/unit Quantity	PCB Transformer	2 x 15 V ac	-	-	230 V ac, 115 V	-	2	68mm	57mm	35mm	30VA	-	530g	PCB	-	3.75kVrms	-	-	20	1666.6mA	Independent Secondary	-	130°C	-	50Hz	-	60Hz	-	ASNZS 61558.1, ASNZS 61558..6, CE, IECBSEN 615586, RoHS, IECBSEN 615581
Being discontinued RS PRO 2 x 9 V ac 2 Output PCB PCB Transformer, AS/NZS 61558.2.6, IEC/BS/EN 61558-1, AS/NZS 61558.1, CE, IEC/BS/EN RS Stock No. 121-3840 Subtotal (1 unit) €23.79(exc. VAT) €23.79/unit Quantity	PCB Transformer	2 x 9 V ac	-	-	115 V, 230 V ac	-	2	53mm	44mm	23mm	6VA	-	185g	PCB	-	3.75kVrms	-	-	20	1666.6mA	Independent Secondary, Dual Primary	-	130°C	-	50Hz	-	60Hz	-	AS/NZS 61558.2.6, IEC/BS/EN 61558-1, AS/NZS 61558.1, CE, IEC/BS/EN 61558-2-6, RoHS
In Stock RS PRO 2 x 12 V ac 2 Output PCB PCB Transformer, IECBSEN 615586, CE, ASNZS 61558.1, ASNZS 61558..6, IECBSEN 615581, RoHS RS Stock No. 121-3855 Subtotal (1 unit) €45.47(exc. VAT) €45.47/unit Quantity	PCB Transformer	2 x 12 V ac	-	-	115 V, 230 V ac	-	2	68mm	57mm	35mm	30VA	-	530g	PCB	-	3.75kVrms	-	-	10	1666.6mA	Independent Secondary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615586, CE, ASNZS 61558.1, ASNZS 61558..6, IECBSEN 615581, RoHS
In Stock RS PRO 2 x 6 V ac 2 Output PCB PCB Transformer, UKCA, RoHS, CE 0.5 VA RS Stock No. 121-3821 Subtotal (1 unit) €9.08(exc. VAT) €9.08/unit Quantity	PCB Transformer	2 x 6 V ac	-	-	230 V ac	-	2	22mm	23mm	20mm	0.5VA	-	35g	PCB	-	4kVrms	-	-	-	41.6mA	Dual Secondary, Single Primary	-	130°C	-	50Hz	-	60Hz	-	UKCA, RoHS, CE
In Stock RS PRO 2 x 9 V ac 2 Output PCB PCB Transformer, IECBSEN 615581, RoHS, IECBSEN 615586, ASNZS 61558.1, CE, ASNZS 61558..6 RS Stock No. 121-3836 Subtotal (1 unit) €17.76(exc. VAT) €17.76/unit Quantity	PCB Transformer	2 x 9 V ac	-	-	115 V, 230 V ac	-	2	53mm	44mm	23mm	4VA	-	150g	PCB	-	3.75kVrms	-	-	20	-	Independent Secondary, Dual Primary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615581, RoHS, IECBSEN 615586, ASNZS 61558.1, CE, ASNZS 61558..6
In Stock RS PRO 5 to 24 V ac 2 Output Through Hole PCB Transformer, CE, ASNZS 61558.1, RoHS, IECBSEN 615581, IECBSEN 615586, RS Stock No. 504-464 Subtotal (1 unit) €26.80(exc. VAT) €26.80/unit Quantity	PCB Transformer	5 to 24 V ac	-	-	230 V ac	-	2	38mm	35mm	30mm	12VA	-	400g	Through Hole	-	4kVrms	-	-	-	-	-	-	130°C	-	50Hz	-	60Hz	-	CE, ASNZS 61558.1, RoHS, IECBSEN 615581, IECBSEN 615586, ASNZS 61558..6
In Stock RS PRO 6 to 15 V ac 2 Output Through Hole PCB Transformer, AS/NZS 61558.1, RoHS, AS/NZS 61558.2.6, IEC/BS/EN 61558-1, RS Stock No. 504-408 Subtotal (1 unit) €26.71(exc. VAT) €26.71/unit Quantity	PCB Transformer	6 to 15 V ac	-	-	230 V ac	-	2	38mm	35mm	30mm	20VA	-	500g	Through Hole	-	4kVrms	-	-	-	-	-	-	130°C	-	50Hz	-	60Hz	-	AS/NZS 61558.1, RoHS, AS/NZS 61558.2.6, IEC/BS/EN 61558-1, CE, IEC/BS/EN 61558-2-6, UL94-V0
Temporarily out of stock RS PRO 24 V ac 2 Output Through Hole PCB Transformer, IECBSEN 615581, ASNZS 61558.1, IECBSEN 615586, RoHS, CE, ASNZS RS Stock No. 504-426 Subtotal (1 unit) €31.95(exc. VAT) €31.95/unit Quantity	PCB Transformer	24 V ac	-	-	2 x 115 V ac	-	2	54mm	45mm	30.41mm	12VA	-	400g	Through Hole	-	4kVrms	-	-	-	-	Dual Primary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615581, ASNZS 61558.1, IECBSEN 615586, RoHS, CE, ASNZS 61558..6
In Stock RS PRO 2 x 12 V ac 2 Output PCB PCB Transformer, CE, RoHS, IEC/BS/EN 61558-1, AS/NZS 61558.1, AS/NZS 61558.2.6, RS Stock No. 121-3829 Subtotal (1 unit) €10.70(exc. VAT) €10.70/unit Quantity	PCB Transformer	2 x 12 V ac	-	-	230 V ac	-	2	32.5mm	27.5mm	29.5mm	2.3VA	-	440g	PCB	-	4kVrms	-	-	-	-	Independent Secondary, Single Primary	-	130°C	-	50Hz	-	60Hz	-	CE, RoHS, IEC/BS/EN 61558-1, AS/NZS 61558.1, AS/NZS 61558.2.6, IEC/BS/EN 61558-2-6
In Stock RS PRO 24 V ac 2 Output Through Hole PCB Transformer, IECBSEN 615586, IECBSEN 615581, RoHS, ASNZS 61558..6, ASNZS RS Stock No. 504-397 Subtotal (1 unit) €27.51(exc. VAT) €27.51/unit Quantity	PCB Transformer	24 V ac	-	-	2 x 115 V ac	-	2	38mm	35mm	30mm	12VA	-	400g	Through Hole	-	4kVrms	-	-	-	-	-	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615586, IECBSEN 615581, RoHS, ASNZS 61558..6, ASNZS 61558.1, CE
In Stock RS PRO 5 to 24 V ac 2 Output Through Hole PCB Transformer, CE, AS/NZS 61558.2.6, IEC/BS/EN 61558-1, RoHS, IEC/BS/EN RS Stock No. 504-454 Subtotal (1 unit) €27.16(exc. VAT) €27.16/unit Quantity	PCB Transformer	5 to 24 V ac	-	-	230 V ac	-	2	38mm	35mm	30mm	12VA	-	400g	Through Hole	-	4kVrms	-	-	-	-	-	-	130°C	-	50Hz	-	60Hz	-	CE, AS/NZS 61558.2.6, IEC/BS/EN 61558-1, RoHS, IEC/BS/EN 61558-2-6, AS/NZS 61558.1
Currently unavailable RS PRO 15 V ac 2 Output Through Hole PCB Transformer, RoHS, UKCA, CE 20 VA RS Stock No. 504-763 Subtotal (1 unit) €10.49(exc. VAT) €10.49/unit Quantity	PCB Transformer	15 V ac	-	-	230 V ac	-	2	60mm	54mm	42mm	20VA	-	500g	Through Hole	-	4kVrms	-	-	-	-	Single Primary, Dual Secondary	80%	130°C	-	50Hz	-	60Hz	-	RoHS, UKCA, CE
Currently unavailable RS PRO 2 x 12 V ac 2 Output PCB PCB Transformer, UKCA, CE, RoHS 10 VA RS Stock No. 121-3849 Subtotal (1 unit) €31.85(exc. VAT) €31.85/unit Quantity	PCB Transformer	2 x 12 V ac	-	-	115/230 V ac	-	2	68mm	57mm	25mm	10VA	-	260g	PCB	-	3.75kVrms	-	-	-	416.6mA	Dual Primary, Dual Secondary	-	130°C	-	50Hz	-	60Hz	-	UKCA, CE, RoHS
In Stock RS PRO 24 V ac 2 Output Through Hole PCB Transformer, ASNZS 61558.1, CE, IECBSEN 615581, ASNZS 61558..6, RoHS, IECBSEN RS Stock No. 504-357 Subtotal (1 unit) €31.50(exc. VAT) €31.50/unit Quantity	PCB Transformer	24 V ac	-	-	2 x 115 V ac	-	2	43mm	36mm	33mm	12VA	-	400g	Through Hole	-	4kVrms	-	-	-	-	-	-	130°C	-	50Hz	-	60Hz	-	ASNZS 61558.1, CE, IECBSEN 615581, ASNZS 61558..6, RoHS, IECBSEN 615586
In Stock RS PRO 24 V ac 2 Output Through Hole PCB Transformer, IECBSEN 615581, ASNZS 61558..6, ASNZS 61558.1, RoHS, CE, IECBSEN RS Stock No. 504-381 Subtotal (1 unit) €27.43(exc. VAT) €27.43/unit Quantity	PCB Transformer	24 V ac	-	-	2 x 115 V ac	-	2	38mm	35mm	30mm	12VA	-	400g	Through Hole	-	4kVrms	-	-	-	-	Dual Secondary, Dual Primary	-	130°C	-	50Hz	-	60Hz	-	IECBSEN 615581, ASNZS 61558..6, ASNZS 61558.1, RoHS, CE, IECBSEN 615586

PCB Transformers

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