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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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855-305/200-509CURR SENSE XFMR 200A CHAS MNT |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 200 A | - | - | - | - | - | - | Chassis Mount | 2.362" L x 1.378" W (60.00mm x 35.00mm) | 3.173" (80.60mm) | Terminal Block |
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855-305/150-209CURR SENSE XFMR 150A CHAS MNT |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 150 A | - | - | - | - | - | - | Chassis Mount | 2.362" L x 1.378" W (60.00mm x 35.00mm) | 3.173" (80.60mm) | Terminal Block |
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855-305/100-209CURR SENSE XFMR 100A CHAS MNT |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 100 A | - | - | - | - | - | - | Chassis Mount | 2.362" L x 1.378" W (60.00mm x 35.00mm) | 3.173" (80.60mm) | Terminal Block |
|
2438480000CMA-812-15-5A-7.5VA-0.5 |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz | Non-Invasive (Split Core) | 1.5 kA | - | - | - | - | - | - | Chassis Mount | 6.102" L x 2.283" W (154.99mm x 57.99mm) | 7.795" (197.99mm) | Terminal Block |
|
855-305/750-509CURR SENSE XFMR 750A CHAS MNT |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 750 A | - | - | - | - | - | - | Chassis Mount | 2.362" L x 1.378" W (60.00mm x 35.00mm) | 3.173" (80.60mm) | Terminal Block |
|
855-305/600-509CURR SENSE XFMR 600A CHAS MNT |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 600 A | - | - | - | - | - | - | Chassis Mount | 2.362" L x 1.378" W (60.00mm x 35.00mm) | 3.173" (80.60mm) | Terminal Block |
|
855-405/600-509CURR SENSE XFMR 600A CHAS MNT |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 600 A | - | - | - | - | - | - | Chassis Mount | 2.756" L x 1.378" W (70.00mm x 35.00mm) | 3.589" (91.15mm) | Terminal Block |
|
855-405/750-509CURR SENSE XFMR 750A CHAS MNT |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz ~ 60Hz | Non-Invasive (Solid Core) | 750 A | - | - | - | - | - | - | Chassis Mount | 2.756" L x 1.378" W (70.00mm x 35.00mm) | 3.589" (91.15mm) | Terminal Block |
|
2656290000KCMA-RCM-812D |
0 | - |
|
Datasheet |
- | Box | Active | 50Hz | Non-Invasive (Split Core) | 18 A | - | - | - | - | - | - | DIN Rail | 6.102" L x 2.283" W (154.99mm x 57.99mm) | 7.795" (197.99mm) | Terminal Block |
|
RA 2000-S/SP2TRANSDUCER |
0 | - |
|
- |
RA | Bulk | Active | 20Hz ~ 3kHz | Non-Invasive (Solid Core) | 4 A | - | - | Rogowski Coil | - | - | - | Chassis Mount | 5.512" L x 8.465" W (140.00mm x 215.00mm) | 8.780" (223.00mm) | Terminal Block |
|
RA 2000-S/SP4TRANSDUCER |
0 | - |
|
- |
RA | Bulk | Active | 20Hz ~ 3kHz | Non-Invasive (Solid Core) | 4 A | - | - | Rogowski Coil | - | - | - | Chassis Mount | 5.512" L x 8.465" W (140.00mm x 215.00mm) | 8.780" (223.00mm) | Terminal Block |
|
RA 2000-S/SP3TRANSDUCER |
0 | - |
|
- |
RA | Bulk | Active | 20Hz ~ 3kHz | Non-Invasive (Solid Core) | 4 A | - | - | Rogowski Coil | - | - | - | Chassis Mount | 5.512" L x 8.465" W (140.00mm x 215.00mm) | 8.780" (223.00mm) | Terminal Block |
|
RA 2000-T/SP2TRANSDUCER |
0 | - |
|
- |
RA | Bulk | Active | 20Hz ~ 3kHz | Non-Invasive (Solid Core) | 4 A | - | - | Rogowski Coil | - | - | - | Chassis Mount | 5.512" L x 8.465" W (140.00mm x 215.00mm) | 8.780" (223.00mm) | Terminal Block |
|
7201CURR SENSE XFMR 10A UNI TH |
0 | - |
|
Datasheet |
7200 | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | 0.748" L x 0.433" W (19.00mm x 11.00mm) | 0.791" (20.10mm) | - |
|
7202CURR SENSE XFMR 20A UNI TH |
0 | - |
|
Datasheet |
7200 | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | 0.748" L x 0.433" W (19.00mm x 11.00mm) | 0.791" (20.10mm) | - |
|
7203CURR SENSE XFMR 35A UNI TH |
0 | - |
|
Datasheet |
7200 | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | 0.748" L x 0.433" W (19.00mm x 11.00mm) | 0.791" (20.10mm) | - |
|
CTX16-18294-RCURR SENSE XFMR T/H |
0 | - |
|
- |
- | Bulk | Active | - | - | - | 8.25 mH | - | - | - | - | - | Through Hole | - | - | PC Pin |
|
55050CCURR SENSE XFMR 1:1:50 15A SMD |
0 | - |
|
Datasheet |
5500 | Tube | Obsolete | 50kHz ~ 500kHz | Invasive | - | 3.8 mH | - | 1:1:50 | - | 2.3mOhm Primary, 350mOhm Secondary | - | Surface Mount | 0.496" L x 0.575" W (12.60mm x 14.60mm) | 0.280" (7.10mm) | - |
|
55100CCURR SENSE XFMR 1:1:100 15A SMD |
0 | - |
|
Datasheet |
5500 | Tube | Obsolete | 50kHz ~ 500kHz | Invasive | - | 14.8 mH | - | 1:1:100 | - | 2.3mOhm Primary, 850mOhm Secondary | - | Surface Mount | 0.496" L x 0.575" W (12.60mm x 14.60mm) | 0.280" (7.10mm) | - |
|
55200CCURR SENSE XFMR 1:1:200 15A SMD |
0 | - |
|
Datasheet |
5500 | Tube | Obsolete | 50kHz ~ 500kHz | Invasive | - | 60 mH | - | 1:1:200 | - | 2.3mOhm Primary, 3.6Ohm Secondary | - | Surface Mount | 0.496" L x 0.575" W (12.60mm x 14.60mm) | 0.280" (7.10mm) | - |

