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. 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
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. 667-5307
Mfr. Part No.AVB2.3/2/6
BrandBlock
€4.23
Each
units
6V 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. 170-7410
Mfr. Part No.VB 0.35/2/12
BrandBlock
€3.993
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. 161-7824
Mfr. Part No.FL 6/15
BrandBlock
€8.427
Each (In a Tray of 35)
units
15V 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. 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. 201-7022
Mfr. Part No.FL 6/12
BrandBlock
€9.22
Each
units
12V ac 6VA 115V ac, 230V ac 2 53mm 22.6mm 44mm 53 x 22.6 x 44mm 175g Through Hole - - +40°C 50Hz
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. 173-9670
Mfr. Part No.44093
BrandMyrra
€3.39
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. 170-7407
Mfr. Part No.VB 0.35/2/6
BrandBlock
€3.993
Each (In a Tray of 160)
units
6V ac 0.35VA 230V ac 2 22mm 15mm 22.7mm 22 x 15 x 22.7mm 24g Through Hole - - +70°C -
RS Stock No. 121-3835
BrandRS PRO
€4.13
Each
units
2 x 6V ac 4VA 115 → 230V ac - 53mm 44mm 23mm 54 x 44 x 23mm - PCB Mount - - +130°C 50Hz
RS Stock No. 732-0427
Mfr. Part No.VC 5,0/1/24
BrandBlock
€7.50
Each
units
24V ac 5VA 230V ac 1 44mm 37mm 33mm 44 x 37 x 33mm 190g Through Hole - - +50°C 50Hz
RS Stock No. 170-7445
Mfr. Part No.VB 3.2/2/6
BrandBlock
€3.955
Each (In a Tray of 50)
units
6V ac 3.2VA 230V ac 2 41mm 30.8mm 35mm 41 x 30.8 x 35mm 173g 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. 732-0437
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. 173-9535
Mfr. Part No.45075
BrandMyrra
€32.21
Each
units
12V 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. 347-3518
Mfr. Part No.VB 3.2/2/6
BrandBlock
€7.09
Each
units
6V ac 3.2VA 230V ac 2 41mm 30.8mm 35mm 41 x 30.8 x 35mm 173g Through Hole - - +70°C -
RS Stock No. 504-454
BrandRS PRO
€8.37
Each
units
5V ac 3VA 230V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 170-7442
Mfr. Part No.VB 2.3/2/15
BrandBlock
€3.578
Each (In a Tray of 91)
units
15V 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. 174-0248
Mfr. Part No.44384
BrandMyrra
€13.06
Each
units
24V ac 30VA 230V ac 2 70mm 59mm 48.75mm 70 x 59 x 48.75mm 700g Through Hole - - +50°C 50Hz