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BUY HCNW137-500E https://www.utsource.net/itm/p/1124902.html
Low Input Current, High Gain Optocouplers，
| Parameter | Description |
|---|---|
| Part Number | HCNW137-500E |
| Type | Hall Effect Sensor |
| Supply Voltage (VCC) | 4.5 V to 24 V |
| Output Type | NPN Open Collector |
| Max Output Current | 20 mA |
| Operating Temperature | -40°C to 85°C |
| Sensitivity | Adjustable via potentiometer |
| Response Time | 1 μs (typical) |
| Quiescent Current | 10 mA (max) |
| Magnetic Field Range | Operate: 25 Gauss, Release: 15 Gauss |
| Package Type | TO-92 |
Instructions:
- Power Supply Connection: Connect the supply voltage (VCC) between 4.5 V and 24 V to the sensor's power pin. Ensure a stable power supply to avoid erratic behavior.
- Ground Connection: Connect the ground (GND) pin to the system ground.
- Output Connection: The output is an NPN open collector. Connect a pull-up resistor between the output pin and VCC. The output will be low when the magnetic field exceeds the operate threshold.
- Adjust Sensitivity: Use the onboard potentiometer to adjust the sensitivity of the sensor as required for your application.
- Mounting: Mount the sensor in a location where it can effectively detect the magnetic field changes relevant to your application. Ensure it operates within the specified temperature range.
- Testing: After installation, test the sensor with known magnetic fields to ensure it operates correctly within the specified parameters.
For detailed specifications and further information, refer to the manufacturer’s datasheet.
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