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.

636 Products showing for PCB Transformers

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In Stock
RS PRO 2 x 18 V ac 2 Output PCB PCB Transformer, IECBSEN 615581, ASNZS 61558..6, ASNZS 61558.1, IECBSEN 615586, RoHS, CE
  • RS Stock No. 121-3851
Subtotal (1 unit)
HK$246.40
HK$246.40/unit
In Stock
RS PRO 1 x 12 V ac 2 Output PCB PCB Transformer, IECBSEN 615581, ASNZS 61558..6, ASNZS 61558.1, CE, IECBSEN 615586, RoHS
  • RS Stock No. 121-3824
Subtotal (1 unit)
HK$67.40
HK$67.40/unit
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)
HK$174.50
HK$174.50/unit
In Stock
RS PRO 2 x 9 V ac 2 Output PCB PCB Transformer, RoHS, CE, IECBSEN 615586, IECBSEN 615581, ASNZS 61558.1, ASNZS 61558..6
  • RS Stock No. 121-3858
Subtotal (1 unit)
HK$246.70
HK$246.70/unit
Currently unavailable
RS PRO PCB Transformer 4 VA
  • RS Stock No. 121-3835
Subtotal (1 unit)
HK$156.20
HK$156.20/unit
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)
HK$65.80
HK$65.80/unit
In Stock
RS PRO 5 → 24 V ac 2 Output Through Hole PCB Transformer, AS/NZS 61558.2.6, IEC/BS/EN 61558-2-6, RoHS, AS/NZS
  • RS Stock No. 504-559
Subtotal (1 unit)
HK$200.10
HK$200.10/unit
In Stock
RS PRO 5 → 24 V ac 2 Output Through Hole PCB Transformer, AS/NZS 61558.2.6, CE, IEC/BS/EN 61558-1, AS/NZS
  • RS Stock No. 504-476
Subtotal (1 unit)
HK$236.70
HK$236.70/unit
In Stock
RS PRO 2 x 15 V ac 2 Output PCB PCB Transformer, ASNZS 61558.1, RoHS, ASNZS 61558..6, IECBSEN 615586, CE, IECBSEN 615581
  • RS Stock No. 121-3842
Subtotal (1 unit)
HK$161.70
HK$161.70/unit
In Stock
RS PRO 1 x 9 V ac 2 Output PCB PCB Transformer, IECBSEN 615586, ASNZS 61558..6, RoHS, IECBSEN 615581, CE, ASNZS 61558.1
  • RS Stock No. 121-3832
Subtotal (1 unit)
HK$85.90
HK$85.90/unit
In Stock
RS PRO 2 x 6 V ac 2 Output PCB PCB Transformer, CE, ASNZS 61558.1, ASNZS 61558..6, RoHS, IECBSEN 615586, IECBSEN 615581
  • RS Stock No. 121-3827
Subtotal (1 unit)
HK$72.70
HK$72.70/unit
In Stock
RS PRO 24 V ac 2 Output Through Hole PCB Transformer, IEC/BS/EN 61558-1, AS/NZS 61558.1, IEC/BS/EN 61558-2-6, AS/NZS
  • RS Stock No. 504-442
Subtotal (1 unit)
HK$216.80
HK$216.80/unit
Currently unavailable
RS PRO 2 x 6 V ac 2 Output PCB PCB Transformer, IECBSEN 615586, ASNZS 61558..6, IECBSEN 615581, ASNZS 61558.1, RoHS, CE
  • RS Stock No. 121-3839
Subtotal (1 unit)
HK$177.90
HK$177.90/unit
In Stock
RS PRO 2 x 12 V ac 2 Output PCB PCB Transformer, CE, IECBSEN 615586, IECBSEN 615581, ASNZS 61558..6, ASNZS 61558.1, RoHS
  • RS Stock No. 121-3841
Subtotal (1 unit)
HK$161.70
HK$161.70/unit
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)
HK$264.60
HK$264.60/unit
In Stock
RS PRO 5 → 24 V ac 2 Output Through Hole PCB Transformer, ASNZS 61558..6, CE, ASNZS 61558.1, RoHS, IECBSEN
  • RS Stock No. 504-537
Subtotal (1 unit)
HK$223.40
HK$223.40/unit
In Stock
RS PRO 6 → 15 V ac 2 Output Through Hole PCB Transformer, ASNZS 61558.1, IECBSEN 615581, CE, RoHS, ASNZS
  • RS Stock No. 504-729
Subtotal (1 unit)
HK$228.90
HK$228.90/unit
Limited stock
Myrra 6 V ac 2 Output Through Hole PCB Transformer, EN 61558-2-6, EN 60950, UL 1585 14 VA
  • RS Stock No. 173-9181
  • Mfr. Part No. 45043
Subtotal (1 unit)
HK$175.60
HK$175.60/unit
In Stock
RS PRO 12 V ac 2 Output Through Hole PCB Transformer, UKCA, RoHS, CE 12 VA
  • RS Stock No. 504-527
Subtotal (1 unit)
HK$223.10
HK$223.10/unit
In Stock
RS PRO 5 → 24 V ac 2 Output Through Hole PCB Transformer, RoHS, CE, IEC/BS/EN 61558-2-6, AS/NZS 61558.1,
  • RS Stock No. 504-521
Subtotal (1 unit)
HK$223.00
HK$223.00/unit
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