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 Sensor Technology Nominal Current Output Current Range Supply Voltage Transformer Type Sensor Type Mounting Type Frequency Bandwidth Accuracy Bore Size Minimum Operating Temperature Series Maximum Operating Temperature Depth
RS庫存編號 301-9473
製造零件編號LTS 25NP
BrandLEM
HK$125.45
單位
Closed Loop 0 → ±80A - 5 V - Hall Effect PCB Mount DC 100 to 200 kHz ±0.2 % 3.2mm -40°C LTS +85°C 10mm
RS庫存編號 321-6286
製造零件編號LAH25-NP
BrandLEM
HK$183.66
單位
Closed Loop 25A 25mArms 12 → 15 V - Hall Effect PCB Mount DC to 200 kHz ±0.3 % - -25°C LAH +85°C 14.93mm
RS庫存編號 499-5586
製造零件編號AP 200 B420L
BrandLEM
HK$1,240.00
單位
- 200A 4 → 20mA 12 → 24 V dc - - DIN Rail 30 → 2000 Hz ±1 % 18mm -20°C AP +60°C 55mm
RS庫存編號 301-9495
製造零件編號HAS 100S
BrandLEM
HK$214.27
單位
Open Loop ±300A - 15 V - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -10°C HAS +80°C 30mm
RS庫存編號 666-8205
製造零件編號CKSR 25-NP
BrandLEM
HK$142.41
單位
Closed Loop 25A - 5.25 V - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CKSR +105°C 13.4mm
RS庫存編號 650-554
製造零件編號CSLA1CD
BrandHoneywell
HK$208.54
單位
Open Loop 0 → 57A - 8 → 16 V dc - Hall Effect PCB Mount - - 10.9mm -25°C CSL +85°C 10.4mm
RS庫存編號 532-9160
製造零件編號HAIS 200-P
BrandLEM
HK$233.47
單位
Open Loop ±600A - 5 V - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS +85°C 14mm
RS庫存編號 527-8595
製造零件編號DHR 1000 C10
BrandLEM
HK$2,140.00
單位
Open Loop 1800A - 20 → 50 V dc - Hall Effect Panel Mount DC 20 to 6000 Hz ±1 % 32mm -40°C DHR +70°C 25mm
RS庫存編號 532-9126
製造零件編號HXS 50-NP
BrandLEM
HK$107.50
單位
Open Loop ±150A - 5 V - Hall Effect PCB Mount DC to 50 kHz ±1 % - -40°C HXS +105°C 18.7mm
RS庫存編號 446-0412
製造零件編號AK 5 C420L
BrandLEM
HK$1,820.00
單位
- 5A 4 → 20mA 24 V dc, 150 V ac - - Panel Mount 20 → 100 Hz ±1 % 19mm -20°C AK +50°C 23.7mm
RS庫存編號 793-4629
製造零件編號CTSR 0.3-P
BrandLEM
HK$303.87
單位
- 16 → 21.6 300mA 4.75 → 5.25 V - Fluxgate PCB Mount 3.5 kHz 1.9 % 20.3mm -40°C CTSR +105°C 17.9mm
RS庫存編號 477-4711
製造零件編號CSNS300M
BrandHoneywell
HK$820.49
單位
Closed Loop 0 → 600A 150mA 15 V - Hall Effect Busbar, PCB Mount DC to 150 kHz ±0.5 % 26mm -40°C CSN +85°C 19mm
RS庫存編號 793-4584
製造零件編號HLSR 10-P
BrandLEM
HK$78.61
單位
Open Loop 25A 10A 4.5 → 5.5 V - Hall Effect PCB Mount 400 kHz ±1 % - -40°C HLSR +105°C 21mm
RS庫存編號 499-5485
製造零件編號HTB 100-P
BrandLEM
HK$139.99
單位
Open Loop ±300A - 12 → 15 V - Hall Effect PCB Mount DC to 50 kHz ±1 % 16mm -20°C HTB +80°C 14mm
RS庫存編號 667-3459
製造零件編號CSNE151-104
BrandHoneywell
HK$153.69
單位
Closed Loop 0 → 56A 12.5mA 15 V dc - Hall Effect PCB Mount DC to 150 kHz ±1 % - -40°C CSN +75°C 12.7mm
RS庫存編號 532-9198
製造零件編號HAIS 50-P
BrandLEM
HK$179.45
單位
Open Loop ±150A - 5 V - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS +85°C 14mm
RS庫存編號 206-2381
製造零件編號HAL 50-S
BrandLEM
HK$388.50
單位
Open Loop ±150A - 15 V - Hall Effect Panel Mount DC to 50 kHz ±1 % 20 x 15mm -25°C HAL +85°C 31.3mm
RS庫存編號 919-4707
製造零件編號LF 2010-S
BrandLEM
HK$2,076.04
單位
Closed Loop ±3000A ±0.6A ±14.25 → ±25.2 V - - Panel Mount 150 kHz ±0.3 % - -40°C LF +85°C 52mm
RS庫存編號 667-3437
製造零件編號CSDA1DA
BrandHoneywell
HK$244.54
單位
Open Loop 0.25 → 1A 20mA 6 → 16 V dc - - PCB Mount - ±0.5 % 10.9mm -25°C CSDA +85°C 25.4mm
RS庫存編號 793-4581
製造零件編號HLSR 32-P
BrandLEM
HK$58.31
單位
Open Loop 80A 32A 4.5 → 5.5 V - Hall Effect PCB Mount 400 kHz ±1 % - -40°C HLSR +105°C 21mm