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. 121-3842
BrandRS PRO
$11.07
Each
units
2 x 15V ac 6VA 115 → 230V ac 2 53mm 44mm 23mm 54 x 44 x 23mm 185g PCB Mount - - +130°C 50Hz
RS Stock No. 504-404
BrandRS PRO
$11.73
Each
units
15V ac 3VA 230V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 504-448
BrandRS PRO
$23.86
Each
units
12V ac 12VA 115 V ac, 230 V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS Stock No. 121-3837
BrandRS PRO
$11.07
Each
units
2 x 18V ac 4VA 115 → 230V ac 2 53mm 44mm 23mm 54 x 44 x 23mm 150g PCB Mount - - +130°C 50Hz
RS Stock No. 504-543
BrandRS PRO
$14.33
Each
units
6V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS Stock No. 504-492
BrandRS PRO
$9.29
Each
units
9V ac 3VA 230V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 121-3823
BrandRS PRO
$4.57
Each
units
2 x 9V ac 1.5VA 230V dc 2 32.5mm 27.5mm 24mm 32.5 x 27.5 x 24mm 85g PCB Mount - - +130°C 50Hz
RS Stock No. 504-357
BrandRS PRO
$18.73
Each
units
9V ac 6VA 115 V ac, 230 V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS Stock No. 121-3819
BrandRS PRO
$5.29
Each
units
1 x 6V ac 0.35VA 230V ac 1 22mm 23mm 15mm 22 x 23 x 15mm 25g PCB Mount - - +130°C 50Hz
RS Stock No. 121-3852
BrandRS PRO
$22.55
Each
units
2 x 12V ac 24VA 115 → 230V ac 2 68mm 57mm 31mm 68 x 57 x 31mm 450g PCB Mount - - +130°C 50Hz
RS Stock No. 121-3856
BrandRS PRO
$30.75
Each
units
2 x 15V ac 30VA 115 → 230V ac 2 68mm 57mm 35mm 68 x 57 x 35mm 530g PCB Mount - - +130°C 50Hz
RS Stock No. 504-521
BrandRS PRO
$10.90
Each
units
9V ac 12VA 230V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS Stock No. 121-3820
BrandRS PRO
$5.39
Each
units
2 x 6V ac 0.35VA 230V ac 2 22mm 23mm 15mm 22 x 23 x 15mm 25g PCB Mount - - +130°C 50Hz
RS Stock No. 121-3826
BrandRS PRO
$4.75
Each
units
2 x 15V ac 1.5VA 230V ac 2 32.5mm 27.5mm 24mm 32.5 x 27.5 x 24mm 85g PCB Mount - - +130°C 50Hz
RS Stock No. 121-3858
BrandRS PRO
$24.21
Each
units
2 x 9V ac 30VA 115 → 230V ac 2 68mm 57mm 35mm 68 x 57 x 35mm 530g PCB Mount - - +130°C 50Hz
RS Stock No. 121-3854
BrandRS PRO
$19.52
Each
units
2 x 9V ac 24VA 115 → 230V ac 2 68mm 57mm 31mm 68 x 57 x 31mm 450g PCB Mount - - +130°C 50Hz
RS Stock No. 504-391
BrandRS PRO
$12.78
Each
units
15V ac 3VA 115 V ac, 230 V ac 2 38mm 35mm 30mm 38 x 35 x 30mm 140g Through Hole - - - 50Hz
RS Stock No. 504-432
BrandRS PRO
$9.26
Each
units
9V ac 12VA 115 V ac, 230 V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS Stock No. 121-3839
BrandRS PRO
$10.99
Each
units
2 x 6V ac 6VA 115 → 230V ac 2 53mm 44mm 23mm 53 x 44 x 23mm 185g PCB Mount - - +130°C 50Hz
RS Stock No. 504-436
BrandRS PRO
$14.77
Each
units
6V ac 12VA 115 V ac, 230 V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
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