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. 732-0348
Mfr. Part No.VB 1,5/1/12
BrandBlock
€4.05
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. 170-7355
Mfr. Part No.FL 6/12
BrandBlock
€8.135
Each (In a Tray of 35)
units
12V ac 6VA 115 V ac, 230 V ac 2 53mm 22.6mm 44mm 53 x 22.6 x 44mm 175g Through Hole - - +40°C 50Hz
RS Stock No. 732-0519
Mfr. Part No.VCM 50/1/18
BrandBlock
€19.06
Each
units
18V ac 50VA 230V ac 1 94mm 61mm 58.5mm 94 x 61 x 58.5mm 990g Through Hole - - +40°C 50Hz
RS Stock No. 173-9945
Mfr. Part No.44237
BrandMyrra
€7.89
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. 732-0437
Mfr. Part No.VC 10/1/18
BrandBlock
€9.89
Each
units
18V ac 10VA 230V ac 1 51mm 43mm 34.6mm 51 x 43 x 34.6mm 280g Through Hole - - +40°C 50Hz
RS Stock No. 173-9399
Mfr. Part No.45062
BrandMyrra
€12.77
Each
units
9V ac 30VA 230V ac 2 68mm 57mm 35mm 68 x 57 x 35mm 550g Through Hole - - +50°C 50Hz
RS Stock No. 732-0389
Mfr. Part No.VB 2,8/1/12
BrandBlock
€4.66
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. 504-470
BrandRS PRO
€7.54
Each
units
15V ac 3VA 230V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 173-9119
Mfr. Part No.45037
BrandMyrra
€9.63
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. 347-2638
Mfr. Part No.VC 10/2/18
BrandBlock
€6.29
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. 170-7356
Mfr. Part No.FL 6/24
BrandBlock
€7.685
Each (In a Tray of 35)
units
24V ac 6VA 115 V ac, 230 V ac 2 53mm 22.6mm 44mm 53 x 22.6 x 44mm 175g Through Hole - - +40°C 50Hz
RS Stock No. 347-3467
Mfr. Part No.VB 2.3/2/9
BrandBlock
€4.46
Each
units
9V ac 2.3VA 230V ac 2 32.3mm 29mm 27.3mm 32.3 x 29 x 27.3mm 139g Through Hole - - +70°C -
RS Stock No. 732-0411
Mfr. Part No.VC 5,0/1/12
BrandBlock
€7.64
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. 310-1257
Mfr. Part No.VB 0.5/2/8
BrandBlock
€3.37
Each
units
8V ac 0.5VA 230V ac 2 22mm 19mm 22.7mm 22 x 19 x 22.7mm 35g Through Hole - - +70°C -
RS Stock No. 347-3394
Mfr. Part No.VB 1.5/2/9
BrandBlock
€3.72
Each
units
9V ac 1.5VA 230V ac 2 32.3mm 21.8mm 27.3mm 32.3 x 21.8 x 27.3mm 84g Through Hole - - +70°C -
RS Stock No. 732-0342
Mfr. Part No.VB 1,5/1/9
BrandBlock
€3.97
Each
units
9V 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. 201-6956
Mfr. Part No.FL 4/12
BrandBlock
€8.86
Each
units
12V ac 4VA 115V ac, 230V ac 2 53mm 19.6mm 44mm 53 x 19.6 x 44mm 145g Through Hole - - +40°C 50Hz
RS Stock No. 173-9541
Mfr. Part No.45076
BrandMyrra
€33.60
Each
units
15V ac 60VA 230V ac 2 86mm 70mm 48.5mm 86 x 70 x 48.5mm 1.1kg Through Hole - - +50°C 50Hz
RS Stock No. 173-9478
Mfr. Part No.45069
BrandMyrra
€20.42
Each
units
12V ac 40VA 230V ac 2 83mm 70mm 38.5mm 83 x 70 x 38.5mm 760g Through Hole - - +50°C 50Hz
RS Stock No. 869-5025
Mfr. Part No.47200
BrandMyrra
€21.31
Each
units
5V dc 7.5W 85 → 265 V ac, 120 → 370 V dc 1 - - - - - Through Hole -25°C - +70°C 47Hz