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. 347-3467
Mfr. Part No.VB 2.3/2/9
BrandBlock
$12.12
Each
units
9V 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. 170-7440
Mfr. Part No.VB 2.3/2/9
BrandBlock
$7.125
Each (In a Tray of 91)
units
9V 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. 347-3473
Mfr. Part No.VB 2.3/2/12
BrandBlock
$14.35
Each
units
12V 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. 170-7441
Mfr. Part No.VB 2.3/2/12
BrandBlock
$7.125
Each (In a Tray of 91)
units
12V 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. 732-0389
Mfr. Part No.VB 2,8/1/12
BrandBlock
$12.42
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. 732-0342
Mfr. Part No.VB 1,5/1/9
BrandBlock
$7.74
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. 732-0370
Mfr. Part No.VB 2,8/1/9
BrandBlock
$18.02
Each
units
9V 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. 732-0339
Mfr. Part No.VB 1,2/1/12
BrandBlock
$6.84
Each
units
12V ac 1.2VA 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. 347-3546
Mfr. Part No.VB 3.2/2/15
BrandBlock
$6.51
Each
units
15V ac 3.2VA 230V ac 2 41mm 30.8mm 35mm 41 x 30.8 x 35mm 173g Through Hole - - +70°C -
RS Stock No. 161-7801
Mfr. Part No.VB 3.2/2/15
BrandBlock
$4.30
Each (In a Tray of 50)
units
15V ac 3.2VA 230V ac 2 41mm 30.8mm 35mm 41 x 30.8 x 35mm 173g Through Hole - - +70°C -
RS Stock No. 161-7798
Mfr. Part No.VC 5/2/24
BrandBlock
$5.47
Each (In a Tray of 48)
units
24V ac 5VA 230V ac 2 44mm 33mm 37mm 44 x 33 x 37mm 190g Through Hole - 68% +50°C -
RS Stock No. 347-2571
Mfr. Part No.VC 5/2/24
BrandBlock
$7.59
Each
units
24V ac 5VA 230V ac 2 44mm 33mm 37mm 44 x 33 x 37mm 190g Through Hole - - +50°C -
RS Stock No. 170-7447
Mfr. Part No.VB 3.2/2/12
BrandBlock
$7.875
Each (In a Tray of 50)
units
12V ac 3.2VA 230V ac 2 41mm 30.8mm 35mm 41 x 30.8 x 35mm 173g Through Hole - - +70°C -
RS Stock No. 732-0360
Mfr. Part No.VB 2,0/1/12
BrandBlock
$10.96
Each
units
12V 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
RS Stock No. 347-3530
Mfr. Part No.VB 3.2/2/12
BrandBlock
$9.34
Each
units
12V ac 3.2VA 230V ac 2 41mm 30.8mm 35mm 41 x 30.8 x 35mm 173g Through Hole - - +70°C -
RS Stock No. 732-0496
Mfr. Part No.VCM 25/1/24
BrandBlock
$20.52
Each
units
24V ac 25VA 230V ac 1 81.2mm 55mm 49.2mm 81.2 x 55 x 49.2mm 610g Through Hole - - +40°C 50Hz
RS Stock No. 201-7375
Mfr. Part No.FL 24/24
BrandBlock
$22.25
Each
units
24V ac 24VA 115V ac, 230V ac 2 68mm 31.4mm 57mm 68 x 31.4 x 57mm 445g Through Hole - - +40°C 50Hz
RS Stock No. 732-0487
Mfr. Part No.VCM 25/1/18
BrandBlock
$24.80
Each
units
18V ac 25VA 230V ac 1 81.2mm 55mm 49.2mm 81.2 x 55 x 49.2mm 610g Through Hole - - +40°C 50Hz
RS Stock No. 161-7800
Mfr. Part No.FL 24/24
BrandBlock
$18.211
Each (In a Tray of 20)
units
24V ac 24VA 115 V ac, 230 V ac 2 68mm 31.4mm 57mm 68 x 31.4 x 57mm 445g Through Hole - - +40°C 50Hz
RS Stock No. 170-7381
Mfr. Part No.FL 30/24
BrandBlock
$21.10
Each (In a Tray of 20)
units
24V ac 30VA 115 V ac, 230 V ac 2 68mm 35.8mm 57mm 68 x 35.8 x 57mm 530g Through Hole - - +40°C 50Hz