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. 173-9917
Mfr. Part No.44204
BrandMyrra
€3.07
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. 121-3834
BrandRS PRO
€7.14
Each
units
2 x 15V ac 3.2VA 230V ac 2 41mm 35mm 28mm 41 x 35 x 28mm 150g PCB Mount - - +130°C 50Hz
RS Stock No. 201-7347
Mfr. Part No.FL 24/15
BrandBlock
€15.40
Each
units
15V ac 24VA 115V ac, 230V ac 2 68mm 31.4mm 57mm 68 x 31.4 x 57mm 445g Through Hole - - +40°C 50Hz
RS Stock No. 869-5029
Mfr. Part No.47201
BrandMyrra
€21.53
Each
units
9V dc 7.5W 85 → 265 V ac, 120 → 370 V dc 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 173-9591
Mfr. Part No.44056
BrandMyrra
€3.32
Each
units
9V 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. 347-2688
Mfr. Part No.VC 16/2/12
BrandBlock
€11.81
Each
units
12V ac 16VA 230V ac 2 57mm 39mm 48mm 57 x 39 x 48mm 420g Through Hole - - +40°C -
RS Stock No. 732-0367
Mfr. Part No.VB 2,0/1/9
BrandBlock
€4.32
Each
units
9V ac 2VA 230V ac 1 32.3mm 27.3mm 26.8mm 32.3 x 27.3 x 26.8mm 100g Through Hole - - +70°C 50Hz
RS Stock No. 504-486
BrandRS PRO
€6.17
Each
units
6V ac 3VA 230V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 170-7375
Mfr. Part No.FL 24/15
BrandBlock
€13.864
Each (In a Tray of 20)
units
15V ac 24VA 115 V ac, 230 V ac 2 68mm 31.4mm 57mm 68 x 31.4 x 57mm 445g Through Hole - - +40°C 50Hz
RS Stock No. 170-7423
Mfr. Part No.VC 16/2/12
BrandBlock
€8.334
Each (In a Tray of 28)
units
12V ac 16VA 230V ac 2 57mm 39mm 48mm 57 x 39 x 48mm 420g Through Hole - 76% +40°C -
RS Stock No. 504-565
BrandRS PRO
€9.30
Each
units
15V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS Stock No. 173-9715
Mfr. Part No.44127
BrandMyrra
€2.85
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. 667-5332
Mfr. Part No.AVB3.2/2/24
BrandBlock
€6.70
Each
units
24V 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. 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. 504-717
BrandRS PRO
€5.19
Each
units
15V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS Stock No. 161-7803
Mfr. Part No.FL 42/18
BrandBlock
€15.249
Each (In a Tray of 12)
units
18V 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. 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. 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. 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. 174-0030
Mfr. Part No.44275
BrandMyrra
€7.59
Each
units
18V 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