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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Description Price Secondary Voltage Rating Power Rating Primary Voltage Rating Number of Outputs Length Width Depth Dimensions Weight Mounting Type Minimum Temperature Efficiency Maximum Temperature Minimum Operating Frequency
RS Stock No. 732-0461
Mfr. Part No.VCM 16/1/12
BrandBlock
£7.85
Each
Units
12V ac 16VA 230V ac 1 75.2mm 47.1mm 39mm 75.2 x 47.1 x 39mm 420g Through Hole - - +40°C 50Hz
RS Stock No. 732-0301
Mfr. Part No.VB 0,5/1/15
BrandBlock
£3.69
Each
Units
15V ac 0.5VA 230V ac 1 22mm 22.7mm 19mm 22 x 22.7 x 19mm 40g Through Hole - - +70°C 50Hz
RS Stock No. 201-7476
Mfr. Part No.FL 42/8
BrandBlock
£18.64
Each
Units
8V ac 42VA 115V ac, 230V ac 2 83.5mm 39mm 70mm 83.5 x 39 x 70mm 715g Through Hole - - +40°C 50Hz
RS Stock No. 161-7792
Mfr. Part No.PT 7.5/2/12
BrandBlock
£8.428
Each (In a Tray of 35)
Units
12V ac 7.5VA 230V ac 2 51mm 36mm 43mm 51 x 36 x 43mm 280g Through Hole - - +40°C -
RS Stock No. 170-7453
Mfr. Part No.AVB2.3/2/24
BrandBlock
£3.146
Each (In a Tray of 91)
Units
24V ac 2.3VA 115 V ac, 230 V ac 2 32.3mm 27.3mm 34mm 32.3 x 27.3 x 34mm 110g Through Hole - - +70°C 50Hz
RS Stock No. 170-7382
Mfr. Part No.FL 42/8
BrandBlock
£15.282
Each (In a Tray of 12)
Units
8V ac 42VA 115 V ac, 230 V ac 2 83.5mm 39mm 70mm 83.5 x 39 x 70mm 715g Through Hole - - +40°C 50Hz
RS Stock No. 667-5310
Mfr. Part No.AVB2.3/2/24
BrandBlock
£3.95
Each
Units
24V ac 2.3VA 115 V ac, 230 V ac 2 32.3mm 27.3mm 34mm 32.3 x 27.3 x 34mm 110g Through Hole - - +70°C 50Hz
RS Stock No. 173-4603
Mfr. Part No.44441
BrandMyrra
£10.77
Each
Units
15V ac 22VA 230V ac 2 63.5mm 53.5mm 45.5mm 63.5 x 53.5 x 45.5mm 550g Through Hole - - +50°C 50Hz
RS Stock No. 173-9636
Mfr. Part No.44059
BrandMyrra
£2.89
Each
Units
18V ac 1VA 230V ac 2 32.6mm 27.6mm 22.2mm 32.6 x 27.6 x 22.2mm 70g Through Hole - - +70°C 50Hz
RS Stock No. 310-1392
Mfr. Part No.VB 1.0/2/24
BrandBlock
£2.54
Each
Units
24V ac 1VA 230V ac 2 32.3mm 27.3mm 21.8mm 32.3 x 27.3 x 21.8mm 70g Through Hole - - +70°C 50Hz
RS Stock No. 732-0354
Mfr. Part No.VB 1,5/1/18
BrandBlock
£2.58
Each
Units
18V ac 1.5VA 230V ac 1 32.3mm 27.3mm 23.8mm 32.3 x 27.3 x 23.8mm 80g Through Hole - - +70°C 50Hz
RS Stock No. 173-9119
Mfr. Part No.45037
BrandMyrra
£8.52
Each
Units
6V ac 10VA 230V ac 2 68mm 57mm 22mm 68 x 57 x 22mm 285g Through Hole - - +50°C 50Hz
RS Stock No. 173-4580
Mfr. Part No.44439
BrandMyrra
£10.87
Each
Units
9V ac 22VA 230V ac 2 63.5mm 53.5mm 45.5mm 63.5 x 53.5 x 45.5mm 550g Through Hole - - +50°C 50Hz
RS Stock No. 170-7395
Mfr. Part No.PT 4.5/2/15
BrandBlock
£5.841
Each (In a Tray of 48)
Units
15V ac 4.5VA 230V ac 2 44mm 33mm 37mm 44 x 33 x 37mm 190g Through Hole - - +40°C -
RS Stock No. 347-2638
Mfr. Part No.VC 10/2/18
BrandBlock
£5.42
Each
Units
18V ac 10VA 230V ac 2 51mm 34.6mm 43mm 51 x 34.6 x 43mm 280g Through Hole - - +40°C -
RS Stock No. 732-0308
Mfr. Part No.VB 0,5/1/24
BrandBlock
£3.69
Each
Units
24V ac 0.5VA 230V ac 1 22mm 22.7mm 19mm 22 x 22.7 x 19mm 40g Through Hole - - +70°C 50Hz
RS Stock No. 183-8313
Mfr. Part No.48021
BrandMyrra
£5.20
Each
Units
120 → 370 V dc, 85 → 265 V ac 1 → 2.75W 100 → 240 V ac, 140 → 340 V dc 1 25mm 25mm 16mm 25 x 25 x 16mm 16g PCB Mount -25°C 63% +80°C 47Hz
RS Stock No. 182-8935
Mfr. Part No.750342878
£5.23
1 Tape of 1
Tape(s)
7V - 36V dc 1 9.5mm 10.54mm 9.78mm 9.5 x 10.54 x 9.78mm - Surface Mount -40°C - +125°C -
RS Stock No. 183-8322
Mfr. Part No.47210
BrandMyrra
£11.19
Each
Units
120 → 370 V dc, 85 → 265 V ac 10W 100 → 240 V ac, 140 → 340 V dc 1 48mm 40mm 26mm 48 x 40 x 26mm 80.2g PCB Mount -25°C 74% +60°C 47Hz
RS Stock No. 186-5530
Mfr. Part No.MTPL-2516-S12V
BrandVishay
£19.76
Each
Units
- 150 → 300W 12V 1 30mm 26mm 17mm 30 x 26 x 17mm - Through Hole -55°C - +130°C 100kHz
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