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0755-82798135Current Sense Transformers
Current Sense Transformers
Current Sense Transformers are magnetic components used to detect, monitor and measure current in electronic and electrical systems. They provide isolation between the primary current path and sensing circuitry, making them suitable for power monitoring, overload detection, feedback control and protection functions. They are widely used in power supplies, motor drives, industrial control equipment, energy meters, inverters, battery systems, communication equipment and embedded applications.
This category includes current transformers, current sensing transformers, AC current sense transformers, PCB current transformers, split-core current transformers and related magnetic sensing components. These products are commonly selected based on current range, turns ratio, frequency range, isolation voltage, accuracy, burden resistance, mounting type, package style and application requirements.
TomatoElec supplies original Current Sense Transformers from recognized manufacturers such as Pulse Electronics, Bourns, Würth Elektronik, TDK, Murata, Triad Magnetics, Coilcraft, Hammond Manufacturing and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CST206-1ACURR SENSE XFMR 110A T/H |
3,197 | - |
|
Datasheet |
CST | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 110 A | 14 mH | 2000VµS | - | 100:1 | 580mOhm Max | - | Through Hole | 1.075" L x 0.400" W (27.31mm x 10.16mm) | 1.225" (31.12mm) | PC Pin |
|
|
PE-63587NLCURR SENSE XFMR 20A T/H |
274 | - |
|
Datasheet |
THT | Tray | Active | 20kHz ~ 200kHz | Invasive | 20 A | 20 mH | - | - | 100:1 | 100Ohm Primary, 1.4Ohm Secondary | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
|
PE-67100NLCURR SENSE XFMR 37A T/H |
155 | - |
|
Datasheet |
- | Tray | Active | 10kHz ~ 200kHz | Invasive | 37 A | 20 mH | - | 1:100 | 100:1 | 56Ohm Primary, 1.4Ohm Secondary | - | Through Hole | 0.565" L x 0.750" W (14.35mm x 19.05mm) | 0.750" (19.05mm) | PC Pin |
|
CST306-1ACURR SENSE XFMR 35A T/H |
4,503 | - |
|
Datasheet |
CST | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 35 A | 3.5 mH | 500VµS | - | 50:1 | 340mOhm Max | - | Through Hole | 0.690" L x 0.385" W (17.53mm x 9.78mm) | 0.915" (23.24mm) | PC Pin |
|
CST306-3ACURR SENSE XFMR 25A T/H |
2,693 | - |
|
Datasheet |
CST | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 25 A | 55 mH | 2000VµS | - | 200:1 | 3.75Ohm Max | - | Through Hole | 0.690" L x 0.385" W (17.53mm x 9.78mm) | 0.915" (23.24mm) | PC Pin |
|
AC1030CURR SENSE XFMR 30A T/H |
2,175 | - |
|
Datasheet |
AC | Box | Active | 50/60Hz | Non-Invasive (Solid Core) | 30 A | - | - | - | 1000:1 | 48Ohm | - | Through Hole | 1.189" L x 0.563" W (30.20mm x 14.30mm) | 1.189" (30.20mm) | PC Pin |
|
PE-67200NLCURR SENSE XFMR 38A T/H |
986 | - |
|
Datasheet |
- | Tray | Active | 10kHz ~ 200kHz | Invasive | 38 A | 80 mH | - | - | 200:1 | 200Ohm Primary, 4.5Ohm Secondary | - | Through Hole | 0.565" L x 0.750" W (14.35mm x 19.05mm) | 0.750" (19.05mm) | PC Pin |
|
AC1050CURR SENSE XFMR 50A T/H |
3,920 | - |
|
Datasheet |
AC | Tray | Active | 50/60Hz | Non-Invasive (Solid Core) | 50 A | - | - | - | 1000:1 | 49.3Ohm | - | Through Hole | 1.374" L x 0.563" W (34.90mm x 14.30mm) | 1.374" (34.90mm) | PC Pin |
|
PA3209NLCURR SENSE XFMR ROGOWSKI 1000A |
4,257 | - |
|
Datasheet |
Sidewinder®, PA32XXNL | Tray | Active | 50/60Hz | Non-Invasive (Solid Core) | 1000 A | 3 mH | - | Rogowski Coil | - | 42Ohm Max | - | Chassis Mount | 2.240" L x 2.098" W (56.90mm x 53.30mm) | 0.580" (14.73mm) | Wire Leads |
|
CT-1020CURR SENSE XFMR 20A T/H |
1,348 | - |
|
Datasheet |
CT | Tray | Active | 50/60Hz | Non-Invasive (Solid Core) | 20 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 |
|
CST206-2ACURR SENSE XFMR 80A T/H |
1,768 | - |
|
Datasheet |
CST | Bulk | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 80 A | 56 mH | 4000VµS | - | 200:1 | 3.5Ohm Max | - | Through Hole | 1.075" L x 0.400" W (27.31mm x 10.16mm) | 1.225" (31.12mm) | PC Pin |
|
CST206-3ACURR SENSE XFMR 70A T/H |
1,133 | - |
|
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 |
|
T60404E4626X501CURR SENSE XFMR 1:2500 100A TH |
7,456 | - |
|
Datasheet |
- | Box | Active | 50Hz | Non-Invasive (Solid Core) | 100 A | 2.1 H | - | 1:2500 | 2500:1 | 44Ohm | - | Through Hole | 1.339" L x 0.551" W (34.00mm x 14.00mm) | 1.339" (34.00mm) | PC Pin |
|
AC1100CURR SENSE XFMR 100A T/H |
953 | - |
|
Datasheet |
AC | Box | Active | 50/60Hz | Non-Invasive (Solid Core) | 100 A | - | - | - | 1000:1 | 21.3Ohm | - | Through Hole | 1.752" L x 0.563" W (44.50mm x 14.30mm) | 1.752" (44.50mm) | PC Pin |
|
CR8320-1600CURR SENSE XFMR 10A T/H |
1,950 | - |
|
Datasheet |
CR8300 | Bulk | Active | 20Hz ~ 1kHz | Non-Invasive (Solid Core) | 10 A | - | - | - | 1600:1 | 95Ohm | - | Through Hole | 0.764" L x 0.323" W (19.40mm x 8.20mm) | 0.768" (19.50mm) | PC Pin |
|
CR8401-1000-GCURR SENSE XFMR 4A IN-LINE |
772 | - |
|
Datasheet |
CR8400 | Bulk | Active | 20Hz ~ 1kHz | Non-Invasive (Solid Core) | 10 A | - | - | - | 1000:1 | 49Ohm | - | Free Hanging (In-Line) | 0.880" L x 0.690" W (22.35mm x 17.53mm) | 0.325" (8.26mm) | Wire Leads |
|
CR8410-1000CURR SENSE XFMR 20A IN-LINE |
435 | - |
|
Datasheet |
CR8400 | Bulk | Active | 20Hz ~ 1kHz | Non-Invasive (Solid Core) | 20 A | - | - | - | 1000:1 | 41Ohm | - | Free Hanging (In-Line) | 1.094" L x 0.866" W (27.80mm x 22.00mm) | 0.323" (8.20mm) | Wire Leads |
|
101990029CURR SENSE XFMR 100A:0.05A 100A |
263 | - |
|
Datasheet |
SCT013 | Bulk | Active | - | Non-Invasive (Split Core) | 100 A | - | - | 1:1800 | - | - | - | Chassis Mount | - | - | Wire Leads with Connector |
|
CR8348-2000CURR SENSE XFMR 50A T/H |
337 | - |
|
Datasheet |
CR8300 | Bulk | Active | 20Hz ~ 1kHz | Non-Invasive (Solid Core) | 50 A | - | - | - | 2000:1 | 106Ohm | - | Through Hole | 0.925" L x 0.433" W (23.50mm x 11.00mm) | 0.984" (25.00mm) | PC Pin |
|
CR8349-1500CURR SENSE XFMR 75A T/H |
2,531 | - |
|
Datasheet |
CR8300 | Bulk | Active | 20Hz ~ 1kHz | Non-Invasive (Solid Core) | 75 A | - | - | - | 1500:1 | 80Ohm | - | Through Hole | 1.024" L x 0.670" W (26.00mm x 17.00mm) | 1.102" (28.00mm) | PC Pin |

