Honeywell Technologies Surface Hall Effect Sensor 3.8 V dc 30V dc, Digital, SOT-89, 3-Pin

Honeywell SS500 Series Hall Effect Sensor, 3mm Height, 3.8V Minimum Supply Voltage - SS543AT

This Hall effect sensor is a compact, surface-mounted device that detects magnetic fields and provides a digital output for position sensing in electronic systems. It is designed for board-level integration and works across a wide supply range, making it suitable for control and sensing functions in industrial and electronic equipment.

Features and Benefits:

• Operates from 3.8V to 30V for versatile supply compatibility
  Withstands temperatures up to 150 °C for high-temperature installations
  Draws 20 mA supply current for predictable power budgeting
  Unipolar magnetic response for single-polarity detection applications
  Digital Interface in a 3-pin SOT-89 package for straightforward mounting

Applications

• Suitable for rotary position sensing in automation systems
  Ideal for proximity detection in electrical panels and enclosures
  Used with motor control circuits for non-contact commutation feedback
  Can be used for limit-switch replacement in mechanical assemblies

What mounting approach does the device require?

It is designed for surface-mount placement on a PCB using a 3-pin footprint compatible with SOT-89 components.

How does the sensor handle varying magnetic inputs?

The device responds to a single polarity of magnetic field, providing a stable digital change when the field exceeds its operating threshold.

What package dimensions influence board layout considerations?

The SOT-89 package presents a Compact footprint with a low profile suitable for constrained board spaces.

What temperature extremes can the sensor survive during operation?

It remains operational down to -40 °C and up to 150 °C, enabling use in both cold and high-heat environments.