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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
AS-103CURR SENSE XFMR 1:300 T/H |
225 |
1+：$4.25000 10+：$3.84300 25+：$3.68880 50+：$3.57560 100+：$3.46540 250+：$3.32396 500+：$3.22024 1000+：$3.11931 |
|
Datasheet | AS | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | - | 250 mH | 900VµS | 1:300 | - | 10Ohm Max | - | Through Hole | 0.677" L x 0.375" W (17.20mm x 9.53mm) | 0.803" (20.40mm) | PC Pin |
|
PE-68210NLTCURR SENSE XFMR 1:1:50 SMD |
393 | - |
|
Datasheet | PE-68XXXNL | Tape & Reel (TR) | Active | 50kHz ~ 500kHz | Invasive | - | 3.8 mH | - | 1:1:50 | - | 1.15mOhm Primary, 380mOhm Secondary | - | Surface Mount | 0.495" L x 0.490" W (12.57mm x 12.45mm) | 0.280" (7.11mm) | - |
|
RL-11385CURRENT SENSE XFMR 100:1 1.75MH |
1,000 | - |
|
Datasheet | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
B82801A1333A020CURR SENSE XFMR 1:20 SMD |
509 | - |
|
Datasheet | B82801A | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | - | 33 µH | - | 1:20 | - | 2.5mOhm Primary, 320mOhm Secondary | - | Surface Mount | 0.138" L x 0.185" W (3.50mm x 4.70mm) | 0.138" (3.50mm) | J Lead |
|
AS-112CURR SENSE XFMR 1:200CT 15A T/H |
500 | - |
|
Datasheet | AS | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | - | 100 mH | 700VµS | 1:200CT | - | 2.25Ohm Max | - | Through Hole | 0.677" L x 0.375" W (17.20mm x 9.53mm) | 0.803" (20.40mm) | PC Pin |
|
|
055650TRANSF CRNT SENSE 50:1 6MH |
120 | - |
|
Datasheet | 0556xx, Kaschke | Tray | Active | 10kHz ~ 300kHz | Invasive | - | 6 mH | 180VµS | - | - | 140Ohm | - | Through Hole | 1.063" L x 0.709" W (27.00mm x 18.00mm) | 0.689" (17.50mm) | PC Pin |
|
|
XZM-CT50A01CURRENT SENSE TRANSFORMER |
347 |
1+：$4.96000 10+：$4.47800 25+：$4.29800 60+：$4.13183 120+：$4.00375 300+：$3.83973 540+：$3.73756 1020+：$3.62966 |
|
Datasheet | XZM | Tray | Active | 50Hz ~ 60Hz | Invasive | 50 A | - | - | 1000:1 | - | - | - | Through Hole | 0.906" L x 0.906" W (23.00mm x 23.00mm) | 0.787" (20.00mm) | PC Pin |
|
|
055653TRANSF CRNT SENSE 300:1 216MH |
0 | - |
|
Datasheet | 0556xx, Kaschke | Tray | Active | 10kHz ~ 300kHz | Invasive | - | 216 mH | 1070VµS | - | - | 3.4Ohm | - | Through Hole | 1.063" L x 0.709" W (27.00mm x 18.00mm) | 0.689" (17.50mm) | PC Pin |
|
ASM-010CURR SENSE XFMR 10A T/H |
270 | - |
|
Datasheet | ASM | Tray | Active | 50/60Hz | Non-Invasive (Solid Core) | - | - | - | - | - | - | - | Through Hole | 0.677" L x 0.375" W (17.20mm x 9.53mm) | 0.803" (20.40mm) | PC Pin |
|
|
RL-7747-500CURRENT SENSE XFMR 500:1 TH |
1,422 |
1+：$3.49000 10+：$3.15200 25+：$3.02640 50+：$2.93400 100+：$2.84380 250+：$2.72816 500+：$2.64330 1000+：$2.56069 |
|
Datasheet | - | Bulk | Active | 47Hz ~ 400Hz | Invasive | 40 A | - | - | 500:1 | 1:500 | 0.3mOhm Primary, 21mOhm Secondary | - | Through Hole | 0.860" L x 0.850" W (21.84mm x 21.59mm) | 0.710" (18.03mm) | PC Pin |
|
|
SCS-4-4-40T-TRSMD CURRENT TRANSFORMER 132H-TR |
1,997 | - |
|
Datasheet | SCS | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | 7 A | 132 µH | - | 40:1 | - | 3mOhm Primary, 1.6Ohm Secondary Max | - | Surface Mount | 0.185" L x 0.144" W (4.70mm x 3.65mm) | 0.140" (3.55mm) | J Lead |
|
|
SCS-4-4-30T-TRSMD CURRENT TRANSFORMER 74H-TR |
1,995 | - |
|
Datasheet | SCS | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | 7 A | 74 µH | - | 30:1 | - | 3mOhm Primary, 800mOhm Secondary Max | - | Surface Mount | 0.185" L x 0.144" W (4.70mm x 3.65mm) | 0.140" (3.55mm) | J Lead |
|
|
SCS-4-4-20T-TRSMD CURRENT TRANSFORMER 33H-TR |
1,989 | - |
|
Datasheet | SCS | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | 7 A | 33 µH | - | 20:1 | - | 3mOhm Primary, 350mOhm Secondary Max | - | Surface Mount | 0.185" L x 0.144" W (4.70mm x 3.65mm) | 0.140" (3.55mm) | J Lead |
|
|
SCS-4-4-150T-TRSMD CURRENT TRANSFORMER 1800H-TR |
1,991 | - |
|
Datasheet | SCS | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | 7 A | 1.8 mH | - | 150:1 | - | 3mOhm Primary, 21Ohm Secondary Max | - | Surface Mount | 0.185" L x 0.144" W (4.70mm x 3.65mm) | 0.140" (3.55mm) | J Lead |
|
|
SCS-4-4-125T-TRSMD CURRENT TRANSFORMER 1280H-TR |
1,978 | - |
|
Datasheet | SCS | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | 7 A | 1.28 mH | - | 125:1 | - | 3mOhm Primary, 13Ohm Secondary Max | - | Surface Mount | 0.185" L x 0.144" W (4.70mm x 3.65mm) | 0.140" (3.55mm) | J Lead |
|
|
SCS-4-4-100T-TRSMD CURRENT TRANSFORMER 820H-TR |
1,448 | - |
|
Datasheet | SCS | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | 7 A | 820 µH | - | 100:1 | - | 3mOhm Primary, 9.5Ohm Secondary Max | - | Surface Mount | 0.185" L x 0.144" W (4.70mm x 3.65mm) | 0.140" (3.55mm) | J Lead |
|
|
SCS-4-4-50T-TRSMD CURRENT TRANSFORMER 205H-TR |
1,992 | - |
|
Datasheet | SCS | Tape & Reel (TR) | Active | 50kHz ~ 1MHz | Invasive | 7 A | 205 µH | - | 50:1 | - | 3mOhm Primary, 2.5Ohm Secondary Max | - | Surface Mount | 0.185" L x 0.144" W (4.70mm x 3.65mm) | 0.140" (3.55mm) | J Lead |
|
|
055663TRANSF CRNT SENSE 100:1 3.1MH |
97 |
1+：$4.72000 10+：$4.26800 25+：$4.09600 50+：$3.97020 |
|
Datasheet | 0556xx, Kaschke | Tray | Active | 200kHz ~ 3MHz | Invasive | - | 3.1 mH | 360VµS | - | - | 470Ohm | - | Through Hole | 1.063" L x 0.709" W (27.00mm x 18.00mm) | 0.689" (17.50mm) | PC Pin |
|
|
055662TRANSF CRNT SENSE 50:1 0.77MH |
0 | - |
|
Datasheet | 0556xx, Kaschke | Tray | Active | 200kHz ~ 3MHz | Invasive | - | 770 µH | 180VµS | - | - | 140Ohm | - | Through Hole | 1.063" L x 0.709" W (27.00mm x 18.00mm) | 0.689" (17.50mm) | PC Pin |
|
|
AS-111CURR SENSE XFMR 1:100CT 15A T/H |
500 | - |
|
Datasheet | AS | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | - | 25 mH | 350VµS | 1:100CT | - | 550mOhm Max | - | Through Hole | 0.677" L x 0.375" W (17.20mm x 9.53mm) | 0.803" (20.40mm) | PC Pin |
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.
