* 4V to 24V DC operation voltage
* Open-Collector pre-driver
* 25mA maximum sinking output current.
* Reverse Polarity Protection
* Respond to a singl.

* Speed measurement
* Home appliances
* Position detection
* Flow measurement 4. Functional Block Diagr.

OH34 Series Hall switches IC are small digital unipolar Hall-effect sensor ICs，which are designed to response S pole or N pole from a permanent magnet or an electromagnet. They internally consist of a reverse voltage protection device, voltage regula.

OH34

OH3020

OH3141L

OH3144

OH3172X

OH360U

OH37

OH-DG-01

OH-DG-02

OH-DY-01

OH017

OH023

OH090U