Unipolar Hall switch PIC H501

Unipolar-Hall-Switch-PIC-H501-U58-HAL506PA-p-ON-when-exposed-to-a-sufficiently-strong-magnetic-south-pole-OFF-when-the-magnetic-field-strength-is-reduced-Sensitivity-is-at-its-highest-when-the-magnetic-field-lines-act-at-a-right-angle-to-the-middle-of-the-sensor-chip-p-Unipolar-Hall-switch-PIC-H501

Price: 1.97 from Rapid Online Rapid Electronics Ltd.