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. 173-9737
Mfr. Part No.44129
BrandMyrra
$5.67
Each
units
2 x 12V 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. 869-5022
Mfr. Part No.47206
BrandMyrra
$16.22
Each
units
3.3V dc 7.5W 85 → 265 V ac, 120 → 370 V dc 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 869-5044
Mfr. Part No.47205
BrandMyrra
$20.63
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. 173-9591
Mfr. Part No.44056
BrandMyrra
$5.26
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. 869-5025
Mfr. Part No.47200
BrandMyrra
$18.84
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. 173-9377
Mfr. Part No.45060
BrandMyrra
$19.01
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. 173-9254
Mfr. Part No.45050
BrandMyrra
$14.27
Each
units
9V ac 18VA 230V ac 2 68mm 57mm 27mm 68 x 57 x 27mm 405g Through Hole - - +50°C 50Hz
RS Stock No. 173-9866
Mfr. Part No.44200
BrandMyrra
$6.37
Each
units
9V ac 3.2VA 230V ac 2 41mm - 28mm 41 x 35 x 28mm 150g Through Hole - - +70°C 50Hz
RS Stock No. 173-9642
Mfr. Part No.44060
BrandMyrra
$4.41
Each
units
24V 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. 173-9670
Mfr. Part No.44093
BrandMyrra
$4.64
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. 173-9800
Mfr. Part No.44165
BrandMyrra
$6.02
Each
units
12V ac 2.3VA 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. 173-9822
Mfr. Part No.44167
BrandMyrra
$5.98
Each
units
18V 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. 173-9721
Mfr. Part No.44128
BrandMyrra
$5.50
Each
units
9V 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. 869-5038
Mfr. Part No.47202
BrandMyrra
$16.22
Each
units
12V dc 7.5W 85 → 265 V ac, 120 → 370 V dc 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS Stock No. 173-9793
Mfr. Part No.44164
BrandMyrra
$5.03
Each
units
9V 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. 173-9765
Mfr. Part No.44132
BrandMyrra
$5.97
Each
units
24V 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. 174-0103
Mfr. Part No.44312
BrandMyrra
$11.43
Each
units
24V ac 16VA 230V ac 2 56.5mm 47.25mm 38.75mm 56.5 x 47.25 x 38.75mm 400g Through Hole - - +50°C 50Hz
RS Stock No. 173-9383
Mfr. Part No.45061
BrandMyrra
$20.15
Each
units
6V ac 30VA 230V ac 2 68mm 57mm 35mm 68 x 57 x 35mm 550g Through Hole - - +50°C 50Hz
RS Stock No. 869-5029
Mfr. Part No.47201
BrandMyrra
$17.98
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. 174-0030
Mfr. Part No.44275
BrandMyrra
$10.92
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