Current Sense Transformers
Browse available Current Sense Transformers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
7492540500CURR SENSE XFMR 1:500 40A SMD |
922 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 135 mH | 1240Vµs | 1:500 | - | 0.28mOhm Primary, 21.2Ohm Secondary | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
|
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7492541000CURR SENSE XFMR 1:1000 40A SMD |
861 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 540 mH | 2480Vµs | 1:1000 | - | 0.28mOhm Primary, 87.64Ohm Secondary | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
|
|
7492540200CURR SENSE XFMR 1:200 40A SMD |
430 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 22.4 mH | 496Vµs | 1:200 | - | 0.28mOhm | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
|
|
7492540020CURR SENSE XFMR 1:20 40A SMD |
236 | - |
|
Datasheet | MID-CST | Tape & Reel (TR) | Active | 1MHz | Invasive | 40 A | 224 µH | 49Vµs | 1:20 | - | 0.28mOhm Primary, 33mOhm Secondary | AEC-Q200 | Surface Mount | 0.570" L x 0.524" W (14.48mm x 13.30mm) | 0.413" (10.50mm) | Gull Wing |
|
CT-05CURR SENSE XFMR 500:1 10A TH |
1,051 | - |
|
Datasheet | CT | Bulk | Active | 50/60Hz | Non-Invasive (Solid Core) | 10 A | - | - | 500:1 | 500:1 | - | - | Through Hole | 0.689" L x 0.689" W (17.50mm x 17.50mm) | 0.394" (10.00mm) | PC Pin |
|
CST306-1TCURR SENSE XFMR 35A T/H |
912 | - |
|
Datasheet | CST | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 35 A | 3.5 mH | 500VµS | - | 50CT:1 | 340mOhm Max | - | Through Hole | 0.690" L x 0.385" W (17.53mm x 9.78mm) | 0.915" (23.24mm) | PC Pin |
|
PE-64488NLCURR SENSE XFMR 20A T/H |
658 | - |
|
Datasheet | THT | Tray | Active | 20kHz ~ 200kHz | Invasive | 20 A | 80 mH | - | - | 200:1 | 200Ohm Primary, 4.5Ohm Secondary | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
|
B78417A2287A003CURR SENSE XFMR 1:125 SMD |
2,211 | - |
|
Datasheet | B78417 | Tape & Reel (TR) | Active | 50kHz ~ 250kHz | Invasive | - | 11 mH | - | 1:125 | - | 1.9mOhm Primary, 5.3Ohm Secondary | - | Surface Mount | 0.417" L x 0.480" W (10.60mm x 12.20mm) | 0.433" (11.00mm) | Gull Wing |
|
|
B78417A2285A003CURR SENSE XFMR 1:50 SMD |
1,924 | - |
|
Datasheet | B78417 | Tape & Reel (TR) | Active | 50kHz ~ 250kHz | Invasive | - | 1.7 mH | - | 1:50 | - | 1.9mOhm Primary, 2.1Ohm Secondary | - | Surface Mount | 0.417" L x 0.480" W (10.60mm x 12.20mm) | 0.433" (11.00mm) | Gull Wing |
|
CT-1010CURR SENSE XFMR 10A T/H |
1,202 | - |
|
Datasheet | CT | Tray | Active | 50/60Hz | Non-Invasive (Solid Core) | 10 A | - | - | - | 1000:1 | 41.8Ohm | - | Through Hole | 0.937" L x 0.438" W (23.80mm x 11.12mm) | 0.937" (23.80mm) | PC Pin |
|
CT-1015CURR SENSE XFMR 15A T/H |
427 | - |
|
Datasheet | CT | Tray | Active | 50/60Hz | Non-Invasive (Solid Core) | 15 A | - | - | - | 1000:1 | 41.8Ohm | - | Through Hole | 0.937" L x 0.438" W (23.80mm x 11.12mm) | 0.937" (23.80mm) | PC Pin |
|
CST-1010CURR SENSE XFMR 10A TH |
166 | - |
|
Datasheet | CST | Bulk | Active | 50/60Hz | Non-Invasive (Solid Core) | 10 A | - | - | - | 1000:1 | 40Ohm | - | Through Hole | 0.925" L x 0.472" W (23.50mm x 12.00mm) | 0.976" (24.80mm) | PC Pin |
|
CST206-3TCURR SENSE XFMR 70A T/H |
180 | - |
|
Datasheet | CST | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 70 A | 130 mH | 6000VµS | - | 300:1 | 12.4Ohm Max | - | Through Hole | 1.075" L x 0.400" W (27.31mm x 10.16mm) | 1.225" (31.12mm) | PC Pin |
|
CT-06-100CURR SENSE XFMR 1000:1 10A TH |
108 | - |
|
Datasheet | CT | Bulk | Active | 50/60Hz | Non-Invasive (Solid Core) | 10 A | - | - | 1000:1 | 1000:1 | - | - | Through Hole | 0.709" L x 0.280" W (18.00mm x 7.10mm) | 0.882" (22.40mm) | Wire Leads |
|
CST-1030CURR SENSE XFMR 30A T/H |
2,302 | - |
|
Datasheet | CST | Bulk | Active | 50/60Hz | Non-Invasive (Solid Core) | 30 A | - | - | - | 1000:1 | 46Ohm | - | Through Hole | 1.189" L x 0.563" W (30.20mm x 14.30mm) | 1.189" (30.20mm) | PC Pin |
|
PA3828NLCURR SENSE XFMR 100A |
465 | - |
|
Datasheet | - | Tray | Active | - | Non-Invasive (Split Core) | 100 A | - | - | - | - | - | - | - | 1.280" L x 1.280" W (32.50mm x 32.50mm) | 0.532" (13.50mm) | - |
|
SPCT 62/40 250/5 A VA 2.5 CL 0.5-CU-ROHSCURR SENSE XFMR 250A DIN RAIL |
676 | - |
|
Datasheet | SPCT | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 250 A | - | - | - | 250:5 | - | - | DIN Rail | 2.441" L x 1.811" W (62.00mm x 46.00mm) | 3.169" (80.50mm) | Terminal Block |
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SPCT 62/40 200/5 A VA 2.5 CL 0.5-CU-ROHSCURR SENSE XFMR 200A DIN RAIL |
147 | - |
|
Datasheet | SPCT | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 200 A | - | - | - | 200:5 | - | - | DIN Rail | 2.441" L x 1.811" W (62.00mm x 46.00mm) | 3.169" (80.50mm) | Terminal Block |
|
MR-4CURR SENSE XFMR 125A CHAS MNT |
385 | - |
|
Datasheet | MR | Bulk | Active | 60Hz | Non-Invasive (Solid Core) | 125 A | - | - | - | - | 30Ohm | - | Chassis Mount | 1.358" L x 1.260" W (34.50mm x 32.00mm) | 0.425" (10.80mm) | Wire Leads |
|
C/CT-1216CURR SENSE XFMR 120A CHAS MNT |
513 | - |
|
Datasheet | C/CT | Bulk | Active | 50/60Hz | Non-Invasive (Split Core) | 120 A | - | - | 3000:1 | 3000:1 | - | - | Chassis Mount | 1.445" L x 0.906" W (36.70mm x 23.00mm) | 1.693" (43.00mm) | Wire Leads with Connector |
Current Sense Transformers FAQ
Common questions about selecting, comparing and sourcing Current Sense Transformers components through Winsun (HK) Electronics.
What should I check when selecting Current Sense Transformers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
