Allegro Microsystems Through Hole Chopper Stabilised Precision Hall Effect Switch 3 V to 24V SIP 3-Pin A1120EUA-T

Allegro Microsystems A1120EUA-T is a Through Hole Chopper Stabilised Precision Hall Effect Switch designed for robust and temperature-stable operation in industrial and automotive environments. It includes integrated voltage regulation allowing operation from low 3 V supply up to 24 V, housed in a compact SIP package with 3 pins suitable for through-hole mounting on PCBs.

The sensor features chopper stabilization to dynamically cancel offset voltage caused by molding and temperature variations, enhancing accuracy and reliability. It also incorporates a Schmitt trigger and an open-drain output capable of sinking up to 25 mA, ensuring short circuit protection and dependable operation in embedded systems.

Its unipolar magnetic sensing allows the south pole to activate the output (for models A1120, A1121, A1122, and A1123), while the output is deactivated upon removal, enabling precise detection of magnetic fields. This sensor is compliant with automotive-grade AEC-Q100 standard, ensuring resilience under operational stress.

Key physical attributes include a small form factor with dimensions 4.09 mm by 1.52 mm by 3.02 mm, and operational temperature range from -40°C to 85°C, making it suitable for a wide variety of applications including automotive, industrial controls, and motion sensing in electronic devices.

Unipolar Hall effect sensor with temperature and stress resistance. Dynamic offset cancellation via chopper stabilisation technology. Supply voltage range from 3 V to 24 V supported by on-chip regulator. Short circuit protected open-drain output capable of 25 mA sink current.

Automotive-grade quality with AEC-Q100 certification. Fast switching response time of 25 microseconds for real-time detection. Compact SIP through-hole package for easy PCB integration. RoHS compliant, lead-free matte tin plated leadframe for environmental safety.

Maximum frequency response up to 800 kHz suitable for advanced applications.

This sensor is primarily used in industrial, automotive, and electronic manufacturing sectors where precise magnetic field detection is required for position sensing, motor control, and safety systems. Explore more Hall Effect Sensors from Allegro Microsystems and find related semiconductor solutions at EnvMart to enhance your electronics projects and production lines.