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. 667-5300
Mfr. Part No.AVB2.3/2/9
BrandBlock
TWD254.00
Each
units
9V 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. 161-7795
Mfr. Part No.AVB2.3/2/9
BrandBlock
TWD246.10
Each (In a Tray of 91)
units
9V 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. 347-2616
Mfr. Part No.VC 10/2/12
BrandBlock
TWD369.00
Each
units
12V ac 10VA 230V ac 2 51mm 34.6mm 43mm 51 x 34.6 x 43mm 280g Through Hole - - +40°C -
RS Stock No. 170-7420
Mfr. Part No.VC 10/2/12
BrandBlock
TWD189.20
Each (In a Tray of 35)
units
12V ac 10VA 230V ac 2 51mm 34.6mm 43mm 51 x 34.6 x 43mm 280g Through Hole - 74% +40°C -
RS Stock No. 504-385
BrandRS PRO
TWD353.00
Each
units
9V ac 3VA 115 V ac, 230 V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 121-3844
BrandRS PRO
TWD307.00
Each
units
2 x 15V ac 7.5VA 230V ac 2 51mm 43mm 35mm 51 x 43 x 35mm 295g PCB Mount - - +130°C 50Hz
RS Stock No. 732-0411
Mfr. Part No.VC 5,0/1/12
BrandBlock
TWD202.00
Each
units
12V ac 5VA 230V ac 1 44mm 37mm 33mm 44 x 37 x 33mm 190g Through Hole - - +50°C 50Hz
RS Stock No. 732-0389
Mfr. Part No.VB 2,8/1/12
BrandBlock
TWD162.00
Each
units
12V ac 2.8VA 230V ac 1 32.3mm 27.3mm 34mm 32.3 x 27.3 x 34mm 140g Through Hole - - +70°C 50Hz
RS Stock No. 667-5322
Mfr. Part No.AVB3.2/2/9
BrandBlock
TWD227.00
Each
units
9V ac 3.2VA 115 V ac, 230 V ac 2 41mm 35mm 30.8mm 41 x 35 x 30.8mm 170g Through Hole - - +50°C 50Hz
RS Stock No. 667-5287
Mfr. Part No.AVB1.5/2/9
BrandBlock
TWD224.00
Each
units
9V ac 1.5VA 115 V ac, 230 V ac 2 32.3mm 27.3mm 23.8mm 32.3 x 27.3 x 23.8mm 80g Through Hole - - +70°C 50Hz
RS Stock No. 732-0348
Mfr. Part No.VB 1,5/1/12
BrandBlock
TWD117.00
Each
units
12V 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. 732-0279
Mfr. Part No.VB 0,35/1/9
BrandBlock
TWD169.00
Each
units
9V ac 0.35VA 230V ac 1 22mm 22.7mm 15mm 22 x 22.7 x 15mm 20g Through Hole - - +70°C 50Hz
RS Stock No. 170-7427
Mfr. Part No.VCM 25/2/15
BrandBlock
TWD360.60
Each (In a Tray of 12)
units
15V ac 25VA 230V ac 2 81.2mm 49.2mm 55mm 81.2 x 49.2 x 55mm 610g Through Hole - 82% +40°C -
RS Stock No. 504-432
BrandRS PRO
TWD407.00
Each
units
9V ac 12VA 115 V ac, 230 V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS Stock No. 161-7819
Mfr. Part No.AVB1.5/2/9
BrandBlock
TWD196.70
Each (In a Tray of 91)
units
9V ac 1.5VA 115 V ac, 230 V ac 2 32.3mm 27.3mm 23.8mm 32.3 x 27.3 x 23.8mm 80g Through Hole - - +70°C 50Hz
RS Stock No. 170-7382
Mfr. Part No.FL 42/8
BrandBlock
TWD677.80
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. 347-2767
Mfr. Part No.VCM 25/2/15
BrandBlock
TWD466.00
Each
units
15V ac 25VA 230V ac 2 81.2mm 49.2mm 55mm 81.2 x 49.2 x 55mm 610g Through Hole - - +40°C -
RS Stock No. 201-7476
Mfr. Part No.FL 42/8
BrandBlock
TWD827.00
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. 173-9490
Mfr. Part No.45071
BrandMyrra
TWD968.00
Each
units
18V ac 40VA 230V ac 2 83mm 70mm 38.5mm 83 x 70 x 38.5mm 760g Through Hole - - +50°C 50Hz
RS Stock No. 732-0317
Mfr. Part No.VB 1,0/1/9
BrandBlock
TWD126.00
Each
units
9V ac 1VA 230V ac 1 32.3mm 27.3mm 21.8mm 32.3 x 27.3 x 21.8mm 70g Through Hole - - +70°C 50Hz