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. 173-9737
Mfr. Part No.44129
BrandMyrra
£3.14
Each
Units
2 x 12V ac 2VA 230V ac 2 32.6mm 27.6mm 27.3mm 32.6 x 27.6 x 27.3mm 100g Through Hole - - +70°C 50Hz
RS Stock No. 869-5044
Mfr. Part No.47205
BrandMyrra
£18.56
Each
Units
24V dc 7.5W 120 → 370 V dc, 85 → 265 V ac 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 174-0103
Mfr. Part No.44312
BrandMyrra
£5.40
Each
Units
24V ac 16VA 230V ac 2 56.5mm 47.25mm 38.75mm 56.5 x 47.25 x 38.75mm 400g Through Hole - - +50°C 50Hz
RS Stock No. 869-5038
Mfr. Part No.47202
BrandMyrra
£18.85
Each
Units
12V dc 7.5W 120 → 370 V dc, 85 → 265 V ac 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 869-5025
Mfr. Part No.47200
BrandMyrra
£18.86
Each
Units
5V dc 7.5W 120 → 370 V dc, 85 → 265 V ac 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 174-0018
Mfr. Part No.44273
BrandMyrra
£5.70
Each
Units
12V ac 10VA 230V ac 2 50.5mm 42.5mm 34.75mm 50.5 x 42.5 x 34.75mm 300g Through Hole - - +50°C 50Hz
RS Stock No. 173-9967
Mfr. Part No.44239
BrandMyrra
£4.76
Each
Units
18V ac 5VA 230V ac 2 44.25mm - 32.25mm 44.25 x 37 x 32.25mm 200g Through Hole - - +50°C 50Hz
RS Stock No. 173-9670
Mfr. Part No.44093
BrandMyrra
£3.00
Each
Units
12V ac 1.5VA 230V ac 2 32.6mm 27.6mm 24.3mm 32.6 x 27.6 x 24.3mm 80g Through Hole - - +70°C 50Hz
RS Stock No. 173-9800
Mfr. Part No.44165
BrandMyrra
£3.26
Each
Units
12V ac 2.3VA 230V ac 2 32.6mm 27.6mm 29.8mm 32.6 x 27.6 x 29.8mm 70g Through Hole - - +70°C 50Hz
RS Stock No. 173-9664
Mfr. Part No.44092
BrandMyrra
£3.00
Each
Units
9V ac 1.5VA 230V ac 2 32.6mm 27.6mm 24.3mm 32.6 x 27.6 x 24.3mm 80g Through Hole - - +70°C 50Hz
RS Stock No. 869-5031
Mfr. Part No.47203
BrandMyrra
£19.05
Each
Units
15V dc 7.5W 120 → 370 V dc, 85 → 265 V ac 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 173-9715
Mfr. Part No.44127
BrandMyrra
£2.52
Each
Units
6V ac 2VA 230V ac 2 32.6mm 27.6mm 27.3mm 32.6 x 27.6 x 27.3mm 100g Through Hole - - +70°C 50Hz
RS Stock No. 173-9951
Mfr. Part No.44238
BrandMyrra
£3.52
Each
Units
15V ac 5VA 230V ac 2 44.25mm - 32.25mm 44.25 x 37 x 32.25mm 200g Through Hole - - +50°C 50Hz
RS Stock No. 174-0024
Mfr. Part No.44274
BrandMyrra
£5.75
Each
Units
15V ac 10VA 230V ac - 70mm 59mm 48.75mm 70 x 59 x 48.75mm 700g Through Hole - - +50°C 50Hz
RS Stock No. 173-9917
Mfr. Part No.44204
BrandMyrra
£2.62
Each
Units
2 x 24V ac 3.2VA 230V ac 2 41mm - 28mm 41 x 35 x 28mm 150g Through Hole - - +70°C 50Hz
RS Stock No. 869-5022
Mfr. Part No.47206
BrandMyrra
£7.76
Each
Units
3.3V dc 7.5W 120 → 370 V dc, 85 → 265 V ac 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 173-9945
Mfr. Part No.44237
BrandMyrra
£4.76
Each
Units
12V ac 5VA 230V ac 2 44.25mm - 32.25mm 44.25 x 37 x 32.25mm 200g Through Hole - - +50°C 50Hz
RS Stock No. 173-8857
Mfr. Part No.45013
BrandMyrra
£5.14
Each
Units
6V ac 3VA 230V ac 2 53mm 44mm 17mm 53 x 44 x 17mm 125g Through Hole - - +70°C 50Hz
RS Stock No. 173-9793
Mfr. Part No.44164
BrandMyrra
£3.26
Each
Units
9V ac 2.5VA 230V ac 2 32.6mm 27.6mm 29.8mm 32.6 x 27.6 x 29.8mm 70g Through Hole - - +70°C 50Hz
RS Stock No. 869-5029
Mfr. Part No.47201
BrandMyrra
£19.05
Each
Units
9V dc 7.5W 120 → 370 V dc, 85 → 265 V ac 1 - - - - - Through Hole -25°C - +70°C 47Hz