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Product overview
OUZHUO TECHNOLOGY specializes in providing a comprehensive range of Hall-effect and magnetic sensors tailored for effective control systems. We also offer various sensor packages designed to enhance versatility and compatibility with different interfaces. Furthermore, the company is known for its ability to create customized sensor products and services to meet specific and unique requirements.
DIGITAL HALL EFFECT LATCHES AND SWITCHES
- Unipolar Hall effect IC
- Bipolar Hall effect IC
- Latch Hall effect IC
- Omnipolar Hall effect IC
- Micropower Hall IC
- Hall effect proximity sensor
- Hall effect Gear-tooth Sensor
- Magnetic pickup
- Magnetic heads
- Hall effect linear IC
- InSb Hall elements
- GaAs Hall elements
- Programming Hall sensor
PRODUCTS descrption
Unipolar Hall effect IC
Unipolar Hall effect IC responds to only one magnetic field pole (North or South)and turns on/off according to the magnetic flux density, outputting a high or low-level signal. This type is primarily used for position detection of a magnet.
PRODUCTS Package

PRODUCT line-up
Part number | Type | Operating Voltage | Operating Temp | Output Current | Operating Point (Bop) | Release Point (Brp) | Average supply current | Available packages |
OH34/ OH34N/ OH44 | Unipolar | 4~24V | -40~125℃ | 25mA | <16mT >-16mT | >2mT <-2mT | 5mA | SOT23, TO-92S |
OH37/ OH137 | Unipolar | 4.5~ 24V | -40~ 85℃ | 25mA | <18mT | >2mT | 5mA | SOT23, TO-92S |
OH4S/OH4N/OH401 | Unipolar | 4~ 30V | -40~125℃ | 50mA | <20mT >-20mT | >2mT <-2mT | 3mA | SOT23 |
OH543/OH443/OH443R | Unipolar | 3.8~ 30V | -40~150℃ | 50mA | <20mT | >2mT | 5mA | SOT89, TO-92S |
OH44EW/OH44E | Unipolar | 4.5~ 24V | -40~150℃ | 50mA | <20mT | >2mT | 5mA | SOT89, TO-92S |
OH3141L /OH44L | Unipolar | 4~ 30V | -40~150℃ | 50mA | <15mT | >3mT | 5mA | TO-92S |
OH3144 | Unipolar | 4~ 24V | -40~125℃ | 25mA | <16mT | >2mT | <6mA | TO-92S |
OH3020 | Unipolar | 4.5~ 24V | -40~125℃ | 25mA | <16mT | >3mT | 5mA | TO-92S |
OH9432 | Unipolar | 2.8–24V | -40~125℃ | 30mA | <6.5mT | >1mT | 1.5mA | TO-92S |
OH137A0/ OH17 | Bipolar | 4.5~24V | -20~ 85℃ | 25mA | <10mT | >-10mT | 5mA | TO-92S |
OH41/ OH41A | Latch | 4.5~ 24V | -40~150℃ | 25mA | >3mT | <-3mT | 4mA | TO-92S |
OH513/ OH413/ OH13 | Latch | 4~30V | -40~150℃ | 50mA | <8mT | >-8mT | 5mA | SOT23-3, SOT89, TO-92S |
OH41F | Latch | 4~ 30V | -40~150℃ | 50mA | <7mT | >-7mT | 5mA | TO-92S |
OH920 | Latch | 3.5~ 20V | -40~125℃ | 25mA | <4mT | >-4mT | 3mA | SOT23 |
OH921 | Latch | 3.5~20V | -40~125℃ | 25mA | <4mT | >-4mT | 3mA | TO-92S |
OH3172X, OH1881 | Latch | 4.5~ 24V | -40~125℃ | 25mA | <6mT | >-6mT | 5mA | TO-92S |
OH4913 | Omnipolar | 2.4-6V | -40~ 85℃ | <2mA | +/-3.5mT | +/-2.6mT | Awake:2mA, Sleep:1.9μA | TO-92S |
OH9213 | Omnipolar | 1.65-6V | -40~125℃ | <2mA | +/-3.5mT | +/-2.6mT | Awake(typ):2mA, Sleep( typ):1.9μA | DFN2*2-3, SOT23, T-SOT-23-3 |
OH9245 | Omnipolar | 3.5-24V | -40~150℃ | 25mA | +/-3.5mT | +/-2mT | No sleep, typ:2mA | SOT23, TO-92 |
OH9253 | Omnipolar, No Sleep | 2.5-6V | -40~125℃ | 25mA | +/-3mT | +/-2.5mT | No sleep, typ:2.6mA | TO-92 |
OH9218 | Micropower | 1.8-4.5V | -40~150℃ | <2mA | +/-6mT | +/-4.5mT | Max:2.0mA | SOT23, TO-92 |