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Current Sensors(ac) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
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Current Sensors Product List

1～15 item / All 45 items

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Analog AC current sensor

Analog AC current sensor

For measuring AC current in AC motors, lighting fixtures, air compressors, etc.

This product is a sensor used for measuring AC current. When you want to measure AC current, cutting the actual wiring can be dangerous, but the analog AC current sensor developed by DFRobot solves this problem. Place the AC wire inside the unit, use a 3.5mm jack connector to connect the unit to the sensor board, and then connect the sensor board to the analog input of the microcontroller. This sensor can be used to measure AC motors, lighting fixtures, air compressors, or other devices that use AC current. 【Features】 ■ Measurement possible without cutting the wiring ■ Supports Gravity 3-pin interface ■ Analog output *For more details, please refer to the external link or feel free to contact us.

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Analog 50A current sensor (AC / DC)

Analog 50A current sensor (AC / DC)

It is possible to monitor the current of the project every second for energy saving and circuit protection.

This product is a breakout board for the fully integrated Hall effect-based linear ACS758 current sensor. It provides accurate current measurements for both AC and DC signals, and the thickness of the copper conductors allows the device to survive in high overcurrent conditions. The ACS758 outputs an analog voltage signal that varies linearly with the detected current. 【Features】 ■ Arduino interface compatible ■ Standard bandwidth of 120 kHz ■ 3μs output rise time in response to step input current ■ Output voltage proportional to AC or DC current ■ Factory calibrated for accuracy, etc. *For more details, please refer to the external link or feel free to contact us.

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AC/DC Dual-Use Universal Effective Value Conversion Module "CTD-20"

AC/DC Dual-Use Universal Effective Value Conversion Module "CTD-20"

Data conversion device, true RMS rectifier current converter

It is an effective value calculation type current converter that supports any waveform from DC to 20KHz.

  • Converters and Transducers

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AC waveform dedicated RMS conversion module "CTD-10"

AC waveform dedicated RMS conversion module "CTD-10"

Data conversion device, true RMS rectifier current converter

This is a current converter that rectifies the effective value of distorted waveforms of 50/60Hz alternating current to output accurate direct current voltage and current.

  • Converters and Transducers

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High-precision current sensor "SR-3700 Series"

High-precision current sensor "SR-3700 Series"

High-precision current sensor with significantly improved characteristic variation.

The "SR-3700 Series (Split Type φ10)" is a high-precision current sensor equipped with a lead pull-out prevention mechanism. The phase angle is 65±20 minutes, and the withstand voltage is AC 2000V. It significantly improves the variation in characteristics while maintaining a low phase angle despite being a split type. We have achieved low prices through consistent production at the Sebu factory. 【Features】 ■Significantly improved variation in characteristics ■Low phase angle despite being a split type ■Lead pull-out prevention mechanism ■Low prices achieved through consistent production at the Sebu factory *For more details, please refer to the PDF document or feel free to contact us.

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HO-S series AC/DC current sensor with selectable installation methods.

HO-S series AC/DC current sensor with selectable installation methods.

Three installation methods can be selected for the through-type ASIC-equipped high-precision current sensor (current detector).

AC/DC Current Sensor (Current Detector) HO-S. S/SP33 Series Open-loop type current sensor with ASIC and voltage output ■ High performance and cost-effective product ■ Low offset drift ■ Fast response performance ■ Overcurrent detection function included (2.93 x Ipn (peak value)) ■ Low power consumption ■ EEPROM control ■ Insulation distance of 8mm between primary and secondary sides

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Coreless Hall current sensor product "ACHL-724x"

Coreless Hall current sensor product "ACHL-724x"

It is designed for AC or DC current detection in industrial, commercial, and communication systems.

The 8mm surface-mount coreless hole current sensor product ACHL series is designed for AC or DC current detection in industrial, commercial, and communication systems. It features a copper conductive path near the surface of the internal IC die, equipped with an accurate, low-offset linear Hall circuit. The Hall sensor converts the magnetic field generated by the current flowing through this copper conductive path into a proportional voltage. The accuracy of the device is optimized by bringing the magnetic signal close to the Hall sensor. The precise proportional voltage is provided by a programmed accuracy and low-offset chopper-stabilized CMOS Hall IC after packaging. 【Features】 ■ Internal resistance of 0.6mΩ (typ) for low power loss ■ Maximum total output error of ±5.5% across all temperatures ■ The device's bandwidth is set via the FILTER pin. - 80 kHz (typ) bandwidth with 1nF ■ 8mm surface distance, stretch SO12 package ■ Compliance with international safety standards - UL/cUL, IEC/EN62368-1 insulation voltage: 5 kVrms, 1 minute *Please feel free to contact us for more details.

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Optical Probe Current Sensor (OpECS)

Optical Probe Current Sensor (OpECS)

We have developed a light probe current sensor.

<Product Features and Strengths> - Measurement possible without circulating around the current line with a very small sensor head - Capable of measuring both AC and DC - Relative sensor (depends on the distance between the wire and the sensor) <Advantages of Optical Measurement> - No superimposed electromagnetic noise - High electrical insulation and safety - No insertion impedance - No frequency derating required

  • Optical Measuring Instruments

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Dedicated external sensor type overcurrent alarm "CRY-15/25-A"

Dedicated external sensor type overcurrent alarm "CRY-15/25-A"

Alarm device: Overcurrent alarm device

It is an overcurrent alarm device with communication relay support and SSR output type.

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On-board current sensor

On-board current sensor

There are many mass production adoption results for drive inverters for EVs, HEVs, FCVs, and for battery charge and discharge monitoring. Custom solutions are the main focus.

This is a current sensor with extensive in-vehicle experience in applications such as drive inverters (AC) and lithium-ion battery charge/discharge monitoring (DC), and it can also be fully customized. It uses an original Hall element developed specifically for current sensors, and by adopting a unique compensation circuit, it achieves high precision and high reliability. Due to its small temperature drift, it can be used under harsh conditions across a wide temperature range. *In terms of specifications for each product, supply voltage and various specification tolerances can also be customized according to your requirements.

  • is-02.gif
  • Other semiconductors
  • Other electronic parts
  • Electrical equipment parts

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TDK Clamp Sensor

TDK Clamp Sensor

Energy management system for HEMS/BEMS/FEMS/CEMS. TDK manufactured current sensor. (Sample stock available)

By uniquely shaping TDK's newly developed high-performance ferrite material, we optimized it for current sensor applications and adapted to the automation of the production process, achieving high quality and stable supply. - Clamp type allows for one-touch installation - Built-in open protection element suppresses high voltage during open conditions - Automation of winding, soldering, and other processes enables high quality and stable supply

  • Solar power generator
  • Sensors
  • Power Monitoring Equipment

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High-precision vehicle-mounted current sensor (inverter and battery charge/discharge monitoring)

High-precision vehicle-mounted current sensor (inverter and battery charge/discharge monitoring)

Mass production adoption of inverters for EVs and HEVs and battery management systems at a scale of 1 million units per year. Full custom support is the focus.

This is a current sensor with extensive in-vehicle experience for applications such as drive inverters (AC) and lithium-ion battery charge/discharge monitoring (DC), and it can be fully customized. It uses an original Hall element developed specifically for current sensors, and by adopting a unique compensation circuit, it achieves high precision and high reliability. Due to its low temperature drift, it can be used under harsh conditions across a wide temperature range. *In terms of specifications for each product, customizations for supply voltage and various specification tolerances can be accommodated according to your requests.

  • is-02.gif
  • Other semiconductors
  • Other electronic parts
  • Electrical equipment parts

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DC current sensor

DC current sensor

DC current sensor

The flux gate sensor manufactured by Premo is a current sensor that uses a high-permeability magnetic material (core) and employs technology to detect magnetic fields with high sensitivity. It has a higher magnetic field strength detection sensitivity than Hall effect sensors and maintains high resolution. The main specifications are: sensitivity: less than 0.1%, linear error: less than 5ppm, offset current: up to 5uA, measurement bandwidth: DC to 100KHz (-3dB).

  • Other processing machines
  • Other Auto Parts
  • DC Motor

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Closed-loop multi-range DC current sensor LKSR series

Closed-loop multi-range DC current sensor LKSR series

ASIC-equipped board-mounted closed-loop (magnetic balance type) high-precision multi-range DC current sensor (Ipn=6A~50A)

■ Small DC current sensor (current detector) with voltage output and ASIC-equipped closed-loop (magnetic balance type) ■ Low offset temperature coefficient ■ Compact design possible for substrate area ■ Low-profile shape ■ Large creepage and clearance distances ■ Two modes of reference pins (Ref IN and Ref OUT)

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