OH37/ OH137 series unipolar hall IC
OH37 Series Hall-effect ICs response to S pole from a permanent magnet or an electromagnet. OH37, SOT23 package, 3000 pcs/reel. OH137, TO-92S package, 1000 pcs/bag.
Datasheet download
OH37 OH137 Unipolar Hall IC datasheet
Product description
OH37 Series Hall-effect ICs response to S pole from a permanent magnet or an electromagnet. They internally consist of a reverse voltage protection device, voltage regulator, Hall voltage generator, a differential amplifier, Schmitt trigger, and the open collector output level. While the magnetic flux density (B) is larger than the threshold Bop, the OUT pin turns on (low), when B < Brp, the OUT pin goes into “ off ” state. SIP and SMD types are available.
Features
- Respond to a South pole
- 4V to 24V DC operation voltage
- 25mA maximum sinking output current.
- Open-Collector pre-driver
- Reverse Polarity Protection
Applications
- Speed measurement
- Home appliances
- Position detection
- Flow measurement
Magnetic-electrical Transfer Characteristics
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