This Hall-effect switch is a monolithic integrated circuit designed to operate continuously over extended temperatures to +85°C. The unipolar switching characteristic makes this device ideal for use with a simple bar or rod magnet. The A3161ELT and A3161EUA are identical except for package.

FEATURES and BENEFITS
■ Internal Current Regulator for 2-Wire Operation
■ Output Slew Rate Controlled
■ 3.5 V to 25 V Operation … Needs Only An Unregulated Supply
■ Reverse Battery Protection
■ Excellent Temp. Stability
■ Activate with Small, Commercially Available Permanent Magnets
■ Small Size
■ Solid-State Reliability … No Moving Parts
■ Resistant to Physical Stress