CST25 Current Sense Transformers

Triad Magnetics CST25 Current Sense Transformers are ideal for monitoring currents in high-frequency applications such as switch-mode power supplies, LED lighting, etc. The CST25 components are offered with a built-in sense winding, allowing for ease of use. These fully encapsulated current sense transformers allow for a high isolation voltage of 4000VAC between primary and secondary windings. There are five different popular turn ratios available.

Results: 5
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Inductance
Current Rating
Turns Ratio
Secondary Resistance
Termination Style
Length
Width
Height
Frequency Range
Triad Magnetics Current Transformers - Board Mount PCB Curr Sense Xfmr 1:50,50-500KHz
Datasheet
44In Stock
Min.: 1
Mult.: 1

Through Hole 4.7 mH 25 A 1:50 500 mOhms Solder Pin 17 mm 15 mm 11.8 mm 50 kHz to 500 kHz
Triad Magnetics Current Transformers - Board Mount PCB Curr Sense Xfmr 1:100,50-500KHz
Datasheet
52In Stock
50Expected 25/5/2026
Min.: 1
Mult.: 1
Through Hole 18 mH 25 A 1:100 2 Ohms Solder Pin 17 mm 15 mm 11.8 mm 50 kHz to 500 kHz
Triad Magnetics Current Transformers - Board Mount PCB Curr Sense Xfmr 1:200,50-500KHz
Datasheet
10In Stock
Min.: 1
Mult.: 1

Through Hole 76 mH 25 A 1:200 4.5 Ohms Solder Pin 17 mm 15 mm 11.8 mm 50 kHz to 500 kHz
Triad Magnetics Current Transformers - Board Mount PCB Curr Sense Xfmr 1:500,50-500KHz
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Through Hole 470 mH 25 A 1:500 16 Ohms Solder Pin 17 mm 15 mm 11.8 mm 50 kHz to 500 kHz
Triad Magnetics Current Transformers - Board Mount PCB Curr Sense Xfmr 1:1K,50-500KHz
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Through Hole 1.9 H 25 A 1:1000 50 Ohms Solder Pin 17 mm 15 mm 11.8 mm 50 kHz to 500 kHz