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庫存編號 136-1504
製造零件編號TLI4970D050T5XUMA1
BrandInfineon
HK$42.969
個 (在毎卷:2000)
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 3.5 % - -40°C TLI4970
RS庫存編號 136-1505
製造零件編號TLI4970D025T4XUMA1
BrandInfineon
HK$42.969
個 (在毎卷:2000)
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 1.6 % - -40°C TLI4970
RS庫存編號 136-2033
製造零件編號TLI4970D050T5XUMA1
BrandInfineon
HK$62.89
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 3.5 % - -40°C TLI4970
RS庫存編號 136-1503
製造零件編號TLI4970D025T5XUMA1
BrandInfineon
HK$36.532
個 (在毎卷:2000)
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 3.5 % - -40°C TLI4970
RS庫存編號 136-1506
製造零件編號TLI4970D050T4XUMA1
BrandInfineon
HK$50.533
個 (在毎卷:2000)
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 1.6 % - -40°C TLI4970
RS庫存編號 136-2031
製造零件編號TLI4970D025T5XUMA1
BrandInfineon
HK$52.61
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 3.5 % - -40°C TLI4970
RS庫存編號 136-2037
製造零件編號TLI4970D050T4XUMA1
BrandInfineon
HK$75.80
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 1.6 % - -40°C TLI4970
RS庫存編號 136-2046
製造零件編號TLV493DA1B6HTSA2
BrandInfineon
HK$7.364
/個 (每包:10個)
單位
- - 3.7 mA - 2.8 → 3.5 V - - Hall Effect Surface Mount - - - -40°C TLV493D
RS庫存編號 136-2035
製造零件編號TLI4970D025T4XUMA1
BrandInfineon
HK$61.23
單位
- - 20 - 3.1 → 3.5 V - - Hall Effect Surface Mount 18 kHz 1.6 % - -40°C TLI4970
RS庫存編號 136-1510
製造零件編號TLV493DA1B6HTSA2
BrandInfineon
HK$4.828
個 (在毎卷:3000)
單位
- - 3.7 mA - 2.8 → 3.5 V - - Hall Effect Surface Mount - - - -40°C TLV493D