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. 170-7371
Mfr. Part No.FL 18/24
BrandBlock
€10.244
Each (In a Tray of 20)
units
24V ac 18VA 115 V ac, 230 V ac 2 68mm 27.6mm 57mm 68 x 27.6 x 57mm 375g Through Hole - - +40°C 50Hz
RS Stock No. 667-5326
Mfr. Part No.AVB3.2/2/12
BrandBlock
€4.83
Each
units
12V 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. 121-3857
BrandRS PRO
€20.65
Each
units
2 x 18V ac 30VA 115 → 230V ac 2 68mm 57mm 35mm 68 x 57 x 35mm 530g PCB Mount - - +130°C 50Hz
RS Stock No. 182-8761
Mfr. Part No.750316032
€3.815
Each (On a Reel of 275)
units
5V - 3.3V dc 1 10.41mm 11.89mm 12.32mm 10.41 x 11.89 x 12.32mm - Surface Mount -40°C - +85°C -
RS Stock No. 173-9771
Mfr. Part No.44163
BrandMyrra
€3.68
Each
units
6V ac 2.5VA 230V ac 2 32.6mm 27.6mm 29.8mm 32.6 x 27.6 x 29.8mm 70g Through Hole - - +70°C 50Hz
RS Stock No. 201-7268
Mfr. Part No.FL 18/12
BrandBlock
€13.90
Each
units
12V ac 18VA 115V ac, 230V ac 2 68mm 27.6mm 57mm 68 x 27.6 x 57mm 375g Through Hole - - +40°C 50Hz
RS Stock No. 310-1213
Mfr. Part No.VB 0.35/2/15
BrandBlock
€3.47
Each
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. 173-9377
Mfr. Part No.45060
BrandMyrra
€14.53
Each
units
24V ac 24VA 230V ac 2 68mm 57mm 31mm 68 x 57 x 31mm 480g Through Hole - - +50°C 50Hz
RS Stock No. 504-375
BrandRS PRO
€9.37
Each
units
15V ac 12VA 230V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS Stock No. 161-7822
Mfr. Part No.FL 10/15
BrandBlock
€11.691
Each (In a Tray of 20)
units
15V ac 10VA 115 V ac, 230 V ac 2 68mm 22.8mm 57mm 68 x 22.8 x 57mm 280g Through Hole - - +40°C 50Hz
RS Stock No. 201-7252
Mfr. Part No.FL 18/9
BrandBlock
€14.19
Each
units
9V ac 18VA 115V ac, 230V ac 2 68mm 27.6mm 57mm 68 x 27.6 x 57mm 375g Through Hole - - +40°C 50Hz
RS Stock No. 201-6978
Mfr. Part No.FL 4/18
BrandBlock
€10.30
Each
units
18V 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. 161-7797
Mfr. Part No.VC 5/2/12
BrandBlock
€2.997
Each (In a Tray of 48)
units
12V ac 5VA 230V ac 2 44mm 33mm 37mm 44 x 33 x 37mm 190g Through Hole - 68% +50°C -
RS Stock No. 170-7357
Mfr. Part No.FL 10/6
BrandBlock
€13.108
Each (In a Tray of 20)
units
6V ac 10VA 115 V ac, 230 V ac 2 68mm 22.8mm 57mm 68 x 22.8 x 57mm 280g Through Hole - - +40°C 50Hz
RS Stock No. 504-549
BrandRS PRO
€6.05
Each
units
9V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS Stock No. 201-6962
Mfr. Part No.FL 4/15
BrandBlock
€12.89
Each
units
15V 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. 173-9018
Mfr. Part No.45028
BrandMyrra
€9.67
Each
units
15V ac 6VA 230V ac 2 53mm 44mm 22mm 53 x 44 x 22mm 185g Through Hole - - +70°C 50Hz
RS Stock No. 732-0364
Mfr. Part No.VB 2,0/1/15
BrandBlock
€5.19
Each
units
15V 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