DiodesZetex Surface Hall Effect Sensor 1.6 V to 3.6 V Omnipolar 4-Pin X1-DFN Package AH1903-FA-7

DiodesZetex AH1903-FA-7 is a surface-mount Hall Effect sensor IC designed for omnipolar magnetic field detection. Functioning within a supply voltage range from 1.6 V to 3.6 V, this sensor employs chopper stabilised Hall Effect technology to minimise offset and improve signal stability. The device comes housed in a compact X1-DFN package with a small footprint measuring 1.65mm in length, 1.25mm in width, and a height of 480 micrometers, ideal for space-constrained applications.

The AH1903-FA-7 is engineered to operate efficiently with a low supply current of 4.3 microamperes, making it suitable for low-power electronic circuits. It is ruggedized to function across a temperature range of -40°C to 85°C, ensuring reliable performance in industrial, automotive, and consumer electronics environments. As an omnipolar sensor, it detects magnetic fields of either polarity, providing versatility in design.

This sensor IC outputs a digital switch signal triggered by magnetic field proximity, enabling non-contact switching and precise motion sensing. Its swift response time of 50 microseconds supports fast control and detection systems. The 4-pin configuration allows easy integration into printed circuit boards via surface mounting techniques.

Manufactured to meet Pb-Free and RoHS standards, the AH1903-FA-7 supports green manufacturing processes. It is primarily used in electronic component assemblies for motion detection, position sensing, and speed measurement applications.

The sensor uses chopper stabilised Hall Effect technology for stable sensing. Compact surface mount X1-DFN package eases PCB integration. Omnipolar magnetic type works with north or south magnetic fields. Wide operational temperature range -40°C to 85°C suits varied environments.

Low power consumption ensures energy-efficient device operation. Fast 50μs response time enables timely sensing outputs. 4-pin design simplifies electrical connections. Compliant with Pb-Free and RoHS environmental standards.

This Hall Effect sensor series from DiodesZetex is widely used in industrial, automotive, consumer electronics, and manufacturing applications requiring reliable magnetic sensing and switching. Suitable for integration in motion sensor ICs configurations, it offers a robust solution for precision magnetic field detection.

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