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. 504-404
BrandRS PRO
MYR56.31
Each
units
15V ac 3VA 230V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 504-543
BrandRS PRO
MYR56.45
Each
units
6V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS Stock No. 170-7439
Mfr. Part No.VB 2.3/2/6
BrandBlock
MYR23.698
Each (In a Tray of 91)
units
6V 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. 732-0540
Mfr. Part No.VC 5,0/1/6
BrandBlock
MYR32.70
Each
units
6V ac 5VA 230V ac 1 44mm 37mm 33mm 44 x 37 x 33mm 190g Through Hole - - +50°C 50Hz
RS Stock No. 504-729
BrandRS PRO
MYR60.69
Each
units
12V ac 12VA 230V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS Stock No. 173-8784
Mfr. Part No.45001
BrandMyrra
MYR35.04
Each
units
6V ac 1VA 230V ac 1 34mm 31mm 15mm 34 x 31 x 15mm 50g Through Hole - - +70°C 50Hz
RS Stock No. 121-3841
BrandRS PRO
MYR35.60
Each
units
2 x 12V ac 6VA 115 → 230V ac 2 53mm 44mm 23mm 53 x 44 x 23mm 185g PCB Mount - - +130°C 50Hz
RS Stock No. 174-0232
Mfr. Part No.44383
BrandMyrra
MYR68.58
Each
units
18V ac 30VA 230V ac 2 70mm 59mm 48.75mm 70 x 59 x 48.75mm 700g Through Hole - - +50°C 50Hz
RS Stock No. 732-0411
Mfr. Part No.VC 5,0/1/12
BrandBlock
MYR32.70
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. 732-0351
Mfr. Part No.VB 1,5/1/15
BrandBlock
MYR18.75
Each
units
15V 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. 732-0389
Mfr. Part No.VB 2,8/1/12
BrandBlock
MYR26.01
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. 504-549
BrandRS PRO
MYR37.72
Each
units
9V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS Stock No. 161-7833
Mfr. Part No.VB 0.35/2/15
BrandBlock
MYR16.695
Each (In a Tray of 160)
units
15V ac 0.35VA 230V ac 2 22mm 15mm 22.7mm 22 x 15 x 22.7mm 24g Through Hole - - +70°C -
RS Stock No. 121-3833
BrandRS PRO
MYR39.45
Each
units
2 x 9V ac 3.2VA 230V ac 2 41mm 35mm 28mm 41 x 35 x 28mm 150g PCB Mount - - +130°C 50Hz
RS Stock No. 170-7410
Mfr. Part No.VB 0.35/2/12
BrandBlock
MYR22.952
Each (In a Tray of 160)
units
12V ac 0.35VA 230V ac 2 22mm 15mm 22.7mm 22 x 15 x 22.7mm 24g Through Hole - - +70°C -
RS Stock No. 869-5044
Mfr. Part No.47205
BrandMyrra
MYR56.23
Each
units
24V dc 7.5W 85 → 265 V ac, 120 → 370 V dc 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 121-3845
BrandRS PRO
MYR81.41
Each
units
2 x 9V ac 10VA 230V ac 2 51mm 43mm 35mm 51 x 43 x 35mm 300g PCB Mount - - +130°C 50Hz
RS Stock No. 121-3829
BrandRS PRO
MYR28.13
Each
units
2 x 12V ac 2.3VA 230V ac 2 32.5mm 27.5mm 29.5mm 32.5 x 27.5 x 29.5mm 110g PCB Mount - - +130°C 50Hz
RS Stock No. 347-2723
Mfr. Part No.VC 16/2/24
BrandBlock
MYR50.64
Each
units
24V ac 16VA 230V ac 2 57mm 39mm 48mm 57 x 39 x 48mm 420g Through Hole - - +40°C -
RS Stock No. 732-0474
Mfr. Part No.VCM 16/1/18
BrandBlock
MYR57.04
Each
units
18V ac 16VA 230V ac 1 75.2mm 47.1mm 39mm 75.2 x 47.1 x 39mm 420g Through Hole - - +40°C 50Hz