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 161-7799
製造零件編號FL 24/9
BrandBlock
HK$123.66
Each (In a Tray of 20)
單位
9V 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 504-363
BrandRS PRO
HK$89.39
單位
15V ac 6VA 115 V ac, 230 V ac 2 43mm 36mm 33mm 43 x 36 x 33mm 180g Through Hole - - - 50Hz
RS庫存編號 173-9793
製造零件編號44164
BrandMyrra
HK$39.78
單位
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庫存編號 347-2688
製造零件編號VC 16/2/12
BrandBlock
HK$80.12
單位
12V ac 16VA 230V ac 2 57mm 39mm 48mm 57 x 39 x 48mm 420g Through Hole - - +40°C -
RS庫存編號 170-7441
製造零件編號VB 2.3/2/12
BrandBlock
HK$45.86
Each (In a Tray of 91)
單位
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庫存編號 732-0389
製造零件編號VB 2,8/1/12
BrandBlock
HK$41.15
單位
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庫存編號 201-7432
製造零件編號FL 30/15
BrandBlock
HK$236.29
單位
15V ac 30VA 115V ac, 230V ac 2 68mm 35.8mm 57mm 68 x 35.8 x 57mm 530g Through Hole - - +40°C 50Hz
RS庫存編號 732-0386
製造零件編號VB 2,8/1/18
BrandBlock
HK$41.15
單位
18V 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庫存編號 170-7454
製造零件編號AVB3.2/2/12
BrandBlock
HK$59.22
Each (In a Tray of 50)
單位
12V ac 3.2VA 115 V ac, 230 V ac 2 41mm 35mm 30.8mm 41 x 35 x 30.8mm 170g Through Hole - - +50°C 50Hz
RS庫存編號 667-5326
製造零件編號AVB3.2/2/12
BrandBlock
HK$60.26
單位
12V ac 3.2VA 115 V ac, 230 V ac 2 41mm 35mm 30.8mm 41 x 35 x 30.8mm 170g Through Hole - - +50°C 50Hz
RS庫存編號 121-3834
BrandRS PRO
HK$70.46
單位
2 x 15V ac 3.2VA 230V ac 2 41mm 35mm 28mm 41 x 35 x 28mm 150g PCB Mount - - +130°C 50Hz
RS庫存編號 161-7829
製造零件編號FL 4/8
BrandBlock
HK$75.967
Each (In a Tray of 35)
單位
8V 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 173-9800
製造零件編號44165
BrandMyrra
HK$37.47
單位
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庫存編號 347-3473
製造零件編號VB 2.3/2/12
BrandBlock
HK$54.51
單位
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庫存編號 667-5335
製造零件編號AVB3.2/2/15
BrandBlock
HK$55.17
單位
15V ac 3.2VA 115 V ac, 230 V ac 2 41mm 35mm 30.8mm 41 x 35 x 30.8mm 170g Through Hole - - +50°C 50Hz
RS庫存編號 161-7801
製造零件編號VB 3.2/2/15
BrandBlock
HK$41.67
Each (In a Tray of 50)
單位
15V 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 173-8908
製造零件編號45018
BrandMyrra
HK$87.59
單位
24V ac 3VA 230V ac 2 53mm 44mm 17mm 53 x 44 x 17mm 125g Through Hole - - +70°C 50Hz
RS庫存編號 161-7795
製造零件編號AVB2.3/2/9
BrandBlock
HK$61.84
Each (In a Tray of 91)
單位
9V ac 2.3VA 115 V ac, 230 V ac 2 32.3mm 27.3mm 34mm 32.3 x 27.3 x 34mm 110g Through Hole - - +70°C 50Hz
RS庫存編號 504-511
BrandRS PRO
HK$102.87
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$29.52
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