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Compact current sensor based on TMR technology, enabling precise measurements up to 30 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5305
CT432-HSWF30DR TMR Current Sensor is a compact current sensor module based on Allegro's TMR (Tunneling Magnetoresistance) technology. It is designed for precise current measurements in the range of 0 A to 30 A, offering electrical isolation and high resistance to interference. With a wide 1 MHz bandwidth, the sensor is ideal for applications requiring a fast response to current changes. The device has an extremely low conduction path resistance of just 1 mΩ, minimizing energy losses. Its analog voltage output, proportional to current intensity, enables accurate monitoring of both DC (direct current) and AC (alternating current). Due to its resistance to magnetic fields, the sensor’s orientation relative to external fields does not affect the measurements. The sensor operates with a supply voltage range of 4.75 V to 5.5 V, and its output is non-ratiometric, meaning that the zero-point and sensitivity are independent of the actual supply voltage. An optional overcurrent protection function (FLT) signals when 110% of the maximum measurement range is exceeded, allowing for rapid fault detection.
The compact PCB is made of two-layer copper, ensuring durability and reliability, while the 2.54 mm pin spacing allows for easy use with prototype boards and development modules. Connection points are clearly labeled on the silkscreen layer, and an additional arrow indicates the direction of positive current flow. The sensor can be inserted anywhere in the circuit, providing galvanic isolation and eliminating the need for complex measurement circuits. With its high accuracy, small size, and strong resistance to interference, the CT432-HSWF30DR is an excellent choice for power systems, power converters, and motor control applications. Its versatility and ease of implementation make it a great solution for both engineers and hobbyists.
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
ACS724LLCTR-20AU current sensor module with a current measurement range from 0 to 20 A. It communicates via an analog interface. Pololu 4044
Current-to-voltage converter module designed for devices with a current signal output. It allows linear conversion of current signals from 0 to 25 mA into voltage signals from 0 to 3 V. DFRrobot SEN0262
This module provides precise, galvanically isolated current measurement within a range of ±30 A and voltage up to 480 VRMS, providing RMS, instantaneous, and active, reactive, and apparent power readings. Equipped with an I²C interface, 4-pin JST SH connectors, and 2.54 mm pins, it allows for easy integration with Qwiic, STEMMA QT, and standard microcontrollers. Configuration stored in EEPROM allows for defining address and overload thresholds. The sensor offers three voltage measurement ranges (120 V - default, 240 V, 480 V RMS) and the ability to detect overvoltages. Built-in protection and low conduction resistance ensure safe and accurate measurements. The version comes with soldered screw terminals. Pololu 5411
No product available!
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The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5244
The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5241
HSTS08L 10A 2.5V Current Sensor. Enables measurement of high currents. modHSTS08L
The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5245
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No product available!
Precision Hall effect current sensor offering galvanic isolation, wide bandwidth of 150 kHz and the ability to measure AC and DC current with very low power loss. Thanks to differential measurement and immunity to magnetic interference, it is perfect for applications requiring accurate current monitoring, such as power supplies, converters or motor control systems. Pololu 5295
Bidirectional current sensor module based on the ACS724 circuit. It allows you to measure current in the range -50A to + 50A. It operates with a voltage of 4.5V to 5.5V and is intended for use in 5V systems. Pololu 4049
No product available!
The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5246
ACS724LLCTR-30AB current sensor module with a DC and AC measurement range from -30 to +30 A. It communicates via an analog interface. Pololu 4047
A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features an analog VOUT output with a sensitivity of 200 mV/A and a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5442
No product available!
Compact current sensor based on TMR technology, enabling precise measurements up to 30 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5305