Current Sense Transformers
Use the filters and product table below to compare Current Sense Transformers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Packaging | Product Status | Frequency Range | Type | Current Rating (Amps) | Inductance | ET (Volt-Time) | Turns Ratio - Primary:Secondary | Current Ratio | DC Resistance (DCR) | Ratings | Mounting Type | Size / Dimension | Height - Seated (Max) | Termination Style |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
749251100CURR SENSE XFMR 1:100 10A SMD |
508 | - |
|
Datasheet | WE-CST | Tape & Reel (TR) | Active | - | Invasive | - | 2 mH | 50VµS | 1:100 | - | 6mOhm Primary, 5.5Ohm Secondary | - | Surface Mount | 0.303" L x 0.272" W (7.70mm x 6.90mm) | 0.210" (5.33mm) | Gull Wing |
|
7492540100CURR SENSE XFMR 1:100 40A SMD |
1,028 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 5.6 mH | 248Vµs | 1:100 | - | 0.28mOhm Primary, 805mOhm Secondary | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
|
749252100CURR SENSE XFMR 1:100 7A SMD |
1,726 | - |
|
Datasheet | WE-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 7 A | 820 µH | 45VµS | 1:100 | - | 3mOhm Primary, 9.5Ohm Secondary | - | Surface Mount | 0.185" L x 0.183" W (4.70mm x 4.65mm) | 0.140" (3.55mm) | Gull Wing |
|
749251070CURR SENSE XFMR 1:70 10A SMD |
1,549 | - |
|
Datasheet | WE-CST | Tape & Reel (TR) | Active | - | Invasive | - | 980 µH | 35VµS | 1:70 | - | 6mOhm Primary, 2.2Ohm Secondary | - | Surface Mount | 0.303" L x 0.272" W (7.70mm x 6.90mm) | 0.210" (5.33mm) | Gull Wing |
|
749251125CURR SENSE XFMR 1:125 10A SMD |
1,350 | - |
|
Datasheet | WE-CST | Tape & Reel (TR) | Active | - | Invasive | - | 3 mH | 68VµS | 1:125 | - | 6mOhm Primary, 6.5Ohm Secondary | - | Surface Mount | 0.303" L x 0.272" W (7.70mm x 6.90mm) | 0.210" (5.33mm) | Gull Wing |
|
749251020CURR SENSE XFMR 1:20 10A SMD |
479 | - |
|
Datasheet | WE-CST | Tape & Reel (TR) | Active | - | Invasive | - | 80 µH | 10VµS | 1:20 | - | 6mOhm Primary, 200mOhm Secondary | - | Surface Mount | 0.303" L x 0.272" W (7.70mm x 6.90mm) | 0.210" (5.33mm) | Gull Wing |
|
749251050CURR SENSE XFMR 1:50 10A SMD |
144 | - |
|
Datasheet | WE-CST | Tape & Reel (TR) | Active | - | Invasive | - | 500 µH | 25VµS | 1:50 | - | 6mOhm Primary, 1.4Ohm Secondary | - | Surface Mount | 0.303" L x 0.272" W (7.70mm x 6.90mm) | 0.210" (5.33mm) | Gull Wing |
|
7492540750CURR SENSE XFMR 1:750 40A SMD |
1,184 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 300 mH | 1860Vµs | 1:750 | - | 0.28mOhm Primary, 50.1Ohm Secondary | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
|
|
7492540050CURR SENSE XFMR 1:50 40A SMD |
1,004 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 1.4 mH | 124VµS | 1:50 | - | 0.28mOhm Primary, 202mOhm Secondary | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
|
|
7492540040CURR SENSE XFMR 1:40 40A SMD |
972 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 896 µH | 99Vµs | 1:40 | - | 0.28mOhm Primary, 130mOhm Secondary | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
Current Sense Transformers FAQ
Common questions about filtering, comparing and sourcing Current Sense Transformers components.
How can I narrow the Current Sense Transformers selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Current Sense Transformers part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
