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 201-7094
製造零件編號FL 10/9
BrandBlock
HK$161.01
單位
9V ac 10VA 115V ac, 230V ac 2 68mm 22.8mm 57mm 68 x 22.8 x 57mm 280g Through Hole - - +40°C 50Hz
RS庫存編號 121-3839
BrandRS PRO
HK$56.32
單位
2 x 6V ac 6VA 115 → 230V ac 2 53mm 44mm 23mm 53 x 44 x 23mm 185g PCB Mount - - +130°C 50Hz
RS庫存編號 732-0415
製造零件編號VC 5,0/1/15
BrandBlock
HK$51.72
單位
15V ac 5VA 230V ac 1 44mm 37mm 33mm 44 x 37 x 33mm 190g Through Hole - - +50°C 50Hz
RS庫存編號 121-3837
BrandRS PRO
HK$55.40
單位
2 x 18V ac 4VA 115 → 230V ac 2 53mm 44mm 23mm 54 x 44 x 23mm 150g PCB Mount - - +130°C 50Hz
RS庫存編號 347-2571
製造零件編號VC 5/2/24
BrandBlock
HK$57.16
單位
24V ac 5VA 230V ac 2 44mm 33mm 37mm 44 x 33 x 37mm 190g Through Hole - - +50°C -
RS庫存編號 732-0483
製造零件編號VCM 25/1/15
BrandBlock
HK$112.46
單位
15V ac 25VA 230V ac 1 81.2mm 55mm 49.2mm 81.2 x 55 x 49.2mm 610g Through Hole - - +40°C 50Hz
RS庫存編號 347-3467
製造零件編號VB 2.3/2/9
BrandBlock
HK$54.71
單位
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庫存編號 201-7375
製造零件編號FL 24/24
BrandBlock
HK$169.03
單位
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庫存編號 106-6297
製造零件編號PT 30/2/15
BrandBlock
HK$236.55
單位
15V ac 30VA 230V ac 2 64mm 55mm 54mm 64 x 55 x 54mm - Through Hole - - +40°C -
RS庫存編號 182-8932
製造零件編號750313638
HK$44.30
單位
3.3V - 5V 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 504-717
BrandRS PRO
HK$60.61
單位
15V ac 6VA 230V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS庫存編號 161-7830
製造零件編號FL 4/9
BrandBlock
HK$70.86
Each (In a Tray of 35)
單位
9V ac 4VA 115 V ac, 230 V ac 2 53mm 19.6mm 44mm 53 x 19.6 x 44mm 145g Through Hole - - +40°C 50Hz
RS庫存編號 170-7408
製造零件編號VB 0.35/2/9
BrandBlock
HK$30.72
Each (In a Tray of 160)
單位
9V ac 0.35VA 230V ac 2 22mm 15mm 22.7mm 22 x 15 x 22.7mm 24g Through Hole - - +70°C -
RS庫存編號 170-7371
製造零件編號FL 18/24
BrandBlock
HK$138.14
Each (In a Tray of 20)
單位
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庫存編號 504-723
BrandRS PRO
HK$89.66
單位
9V ac 12VA 230V ac 2 54mm 45mm 41mm 54 x 45 x 41mm 400g Through Hole - - - 50Hz
RS庫存編號 170-7410
製造零件編號VB 0.35/2/12
BrandBlock
HK$33.57
Each (In a Tray of 160)
單位
12V ac 0.35VA 230V ac 2 22mm 15mm 22.7mm 22 x 15 x 22.7mm 24g Through Hole - - +70°C -
RS庫存編號 121-3823
BrandRS PRO
HK$40.57
單位
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庫存編號 170-7372
製造零件編號FL 24/6
BrandBlock
HK$134.96
Each (In a Tray of 20)
單位
6V 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庫存編號 174-0232
製造零件編號44383
BrandMyrra
HK$122.43
單位
18V ac 30VA 230V ac 2 70mm 59mm 48.75mm 70 x 59 x 48.75mm 700g Through Hole - - +50°C 50Hz
RS庫存編號 173-9591
製造零件編號44056
BrandMyrra
HK$34.43
單位
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