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庫存編號 347-2789
製造零件編號VCM 25/2/24
BrandBlock
HK$111.15
單位
24V ac 25VA 230V ac 2 81.2mm 49.2mm 55mm 81.2 x 49.2 x 55mm 610g Through Hole - - +40°C -
RS庫存編號 347-3552
製造零件編號VB 3.2/2/18
BrandBlock
HK$47.39
單位
18V ac 3.2VA 230V ac 2 41mm 30.8mm 35mm 41 x 30.8 x 35mm 173g Through Hole - - +70°C -
RS庫存編號 504-559
BrandRS PRO
HK$83.05
單位
12V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS庫存編號 869-5022
製造零件編號47206
BrandMyrra
HK$115.60
單位
3.3V dc 7.5W 85 265 V ac, 120 370 V dc 1 - - - - - Through Hole -25°C - +70°C 47Hz
RS庫存編號 161-7828
製造零件編號VB 0.5/2/24
BrandBlock
HK$35.605
Each (In a Tray of 160)
單位
24V ac 0.5VA 230V ac 2 22mm 19mm 22.7mm 22 x 19 x 22.7mm 35g Through Hole - - +70°C -
RS庫存編號 504-511
BrandRS PRO
HK$77.91
單位
20V ac 12VA 230V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS庫存編號 732-0348
製造零件編號VB 1,5/1/12
BrandBlock
HK$27.95
單位
12V 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庫存編號 201-7476
製造零件編號FL 42/8
BrandBlock
HK$244.68
單位
8V ac 42VA 115V ac, 230V ac 2 83.5mm 39mm 70mm 83.5 x 39 x 70mm 715g Through Hole - - +40°C 50Hz
RS庫存編號 732-0345
製造零件編號VB 1,2/1/24
BrandBlock
HK$33.33
單位
24V 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庫存編號 173-9872
製造零件編號44201
BrandMyrra
HK$37.76
單位
12V ac 3.2VA 230V ac 2 41mm - 28mm 41 x 35 x 28mm 150g Through Hole - - +70°C 50Hz
RS庫存編號 182-8951
製造零件編號750316028
HK$39.88
Each (On a Tape of 5)
單位
3.3V - 3.3V dc 1 9.25mm 4.1mm 8.3mm 9.25 x 4.1 x 8.3mm - Surface Mount -40°C - +125°C -
RS庫存編號 182-8939
製造零件編號750313769
HK$44.30
單位
5V - 3.3V dc 1 8mm 7.62mm 9.14mm 8 x 7.62 x 9.14mm - Surface Mount -40°C - +125°C 250kHz
RS庫存編號 173-9197
製造零件編號45044
BrandMyrra
HK$108.00
單位
9V ac 14VA 230V ac 2 68mm 57mm 22mm 68 x 57 x 22mm 335g Through Hole - - +50°C 50Hz
RS庫存編號 732-0512
製造零件編號VCM 50/1/24
BrandBlock
HK$182.24
單位
24V ac 50VA 230V ac 1 94mm 61mm 58.5mm 94 x 61 x 58.5mm 990g Through Hole - - +40°C 50Hz
RS庫存編號 732-0376
製造零件編號VB 2,0/1/24
BrandBlock
HK$42.08
單位
24V 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庫存編號 173-9759
製造零件編號44131
BrandMyrra
HK$41.50
單位
18V 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庫存編號 732-0398
製造零件編號VB 3,2/1/9
BrandBlock
HK$42.33
單位
9V ac 3.2VA 230V ac 1 41mm 35mm 30.8mm 41 x 35 x 30.8mm 170g Through Hole - - +70°C 50Hz
RS庫存編號 170-7434
製造零件編號VCM 36/2/24
BrandBlock
HK$144.237
Each (In a Tray of 12)
單位
24V ac 36VA 230V ac 2 87.2mm 48.5mm 60mm 87.2 x 48.5 x 60mm 750g Through Hole - 83% +40°C -
RS庫存編號 732-0516
製造零件編號VB 0,5/1/6
BrandBlock
HK$44.16
單位
6V ac 0.5VA 230V ac 1 22mm 22.7mm 19mm 22 x 22.7 x 19mm 40g Through Hole - - +70°C 50Hz
RS庫存編號 161-7833
製造零件編號VB 0.35/2/15
BrandBlock
HK$24.949
Each (In a Tray of 160)
單位
15V ac 0.35VA 230V ac 2 22mm 15mm 22.7mm 22 x 15 x 22.7mm 24g Through Hole - - +70°C -