Current Transducers

Current transducers, or current sensors, are an electrical component that detects electric current in a wire and converts it into another type of electrical signal proportional to the current value. The generated signal could be analogue voltage, current or a digital output. This generated signal can be then used to display the measured current in an ammeter, or can be used for the purpose of controlling other circuits.

Current Transducer Types

Current sensors can be either open-loop or closed-loop.
•Open-Loop Sensor: This type measures AC and DC currents and provides electrical isolation between the circuit being measured and the output of the sensor. Open-loop current sensors are generally preferred in battery-powered circuits.


•Closed-Loop Sensor: The Closed-Loop sensor is sometimes called a ’Zero-Flux’ sensor because it features a Hall-Effect sensor that feeds back an opposing current into a secondary coil, wound on the magnetic core to zero the flux produced in the magnetic core by the primary current. Closed-loop sensors are often used when high accuracy is essential.

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Description Price Input Current Range Sensor Technology Nominal Current Output Current Range Supply Voltage Transformer Type Maximum Cable Diameter Sensor Type Mounting Type Frequency Bandwidth Accuracy Bore Size Minimum Operating Temperature Series
RS Stock No. 666-8172
Mfr. Part No.CAS 6-NP
BrandLEM
kr 124,36
Each
Units
- Closed Loop 6A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CAS
RS Stock No. 497-388
Mfr. Part No.AT 150 B420
BrandLEM
kr 1 020,03
Each
Units
- - 150A 4 20mA 20 30 V dc - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT
RS Stock No. 136-2035
Mfr. Part No.TLI4970D025T4XUMA1
BrandInfineon
kr 76,57
Each
Units
- - 20 - 3.1 3.5 V - - Hall Effect Surface Mount 18 kHz 1.6 % - -40°C TLI4970
RS Stock No. 499-5384
Mfr. Part No.HX 25-P
BrandLEM
kr 106,28
Each
Units
- Open Loop ±75A - 15 V - - Hall Effect PCB Mount 50 kHz ±1 % 1.6mm -25°C HX
RS Stock No. 321-6309
Mfr. Part No.LAH 100-P
BrandLEM
kr 194,61
Each
Units
- Closed Loop 100A 50mArms 12 15 V - - Hall Effect PCB Mount DC to 200 kHz ±0.25 % - -25°C LAH
RS Stock No. 136-5727
Mfr. Part No.TT25-78FH2DRZ00000
kr 1 186,68
Each
Units
- - - 4 20mA 24 60 V ac/dc, 60 300 V ac/dc - - - DIN Rail - 0.2 % - 0°C -
RS Stock No. 207-2984
Mfr. Part No.LA 205-S
BrandLEM
kr 822,23
Each
Units
- Closed Loop 0 300A 100mArms 12 15 V - - Hall Effect Panel Mount DC to 100 kHz ±0.8 % 22.7 x 17.4mm -10°C LA
RS Stock No. 793-4638
Mfr. Part No.LA 306-S
BrandLEM
kr 467,99
Each
Units
- Closed Loop 400A 200mA ±15 V - - Hall Effect Chassis Mount 50 kHz ±0.7 % 30 x 13mm -40°C LA
RS Stock No. 667-3455
Mfr. Part No.CSNE151-100
BrandHoneywell
kr 395,41
Each
Units
- Closed Loop 0 90A 25mA 12 15 V dc - - Hall Effect PCB Mount DC to 150 kHz ±0.5 % - -40°C CSN
RS Stock No. 793-4632
Mfr. Part No.ATO-75BILD10
BrandLEM
kr 438,78
Each
Units
- - 90A 90mA - - - - - 50 Hz, 60 Hz ±1 % 10mm -25°C CAS
RS Stock No. 446-0412
Mfr. Part No.AK 5 C420L
BrandLEM
kr 2 587,81
Each
Units
- - 5A 4 → 20mA 24 V dc, 150 V ac - - - Panel Mount 20 → 100 Hz ±1 % 19mm -20°C AK
RS Stock No. 177-4928
Mfr. Part No.ATO-63-B333-D16
BrandLEM
kr 541,67
Each
Units
- - 63A - - Split Core - - DIN Rail 1.5 kHz - 16mm -10°C ATO
RS Stock No. 666-8201
Mfr. Part No.CKSR 15-NP
BrandLEM
kr 131,95
Each
Units
- Closed Loop 15A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CKSR
New
RS Stock No. 200-3830
Mfr. Part No.LPSR 15-NP
BrandLEM
kr 113,43
Each
Units
-51 → 51 A Closed Loop 15A - +5 V - - - - - - - - LPSR
RS Stock No. 136-1504
Mfr. Part No.TLI4970D050T5XUMA1
BrandInfineon
kr 37,445
Each (On a Reel of 2000)
Units
- - 20 - 3.1 3.5 V - - Hall Effect Surface Mount 18 kHz 3.5 % - -40°C TLI4970
RS Stock No. 499-5362
Mfr. Part No.LTSR 15-NP
BrandLEM
kr 156,33
Each
Units
- Closed Loop 0 → ±48A - 5 V - - Hall Effect PCB Mount DC 100 to 200 kHz ±0.2 % 3.2mm -40°C LTSR
RS Stock No. 532-9255
Mfr. Part No.HTFS 800-P
BrandLEM
kr 200,00
Each
Units
- Open Loop ±1200A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 22mm -40°C HTFS
RS Stock No. 731-5267
Mfr. Part No.HTA 200-S
BrandLEM
kr 552,99
Each
Units
- Open Loop 200A - ±15 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 32mm -25°C HTA
RS Stock No. 446-0614
Mfr. Part No.DK 100 B420
BrandLEM
kr 3 969,75
Each
Units
- Open Loop 100A 4 → 20mA 20 → 50 V dc - - Hall Effect Panel Mount - ±2 % 21.7mm -20°C DK
New
RS Stock No. 200-3838
Mfr. Part No.LXSR 6-NPS
BrandLEM
kr 108,38
Each
Units
-20 → 20 A Closed Loop 6A - +5 V - 3.2mm - - - - - - LXSR
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