A3144 Hall effect sensor 44E SMD SOT-23
The A3-144 Hall effect sensor 44E SMD SOT-23 is a solid-state device engineered for reliable and contactless magnetic field detection in electronic systems. Utilizing high-voltage resistance and enhanced sensitivity, this SMD component is appropriate for a wide range of switching and proximity sensing applications. Its miniature SOT-23 package enables seamless integration into modern PCBs where size and space constraints are critical.
Features:
- High-sensitivity unipolar Hall effect switching.
- Small footprint SOT-23 surface-mount package.
- Wide operating voltage range.
- Digital output (open collector).
Specifications:
| Parameter | Value |
|---|---|
| Model Number | A3144-E44 |
| Package | SOT-23 |
| Operating Voltage | 3.5V–24VDC |
| Output Type | Digital (open collector) |
| Output Current | 25mA (max sink) |
| Operating Temp. Range | -40°C to +85°C |
| Polarity | Unipolar |
| Switching Speed | 2μs (typical) |
Foot print:
Applications:
- Brushless DC motor commutation for efficient electronic speed control.
- Speed sensing in encoders and tachometers for rotational monitoring.
- Flow sensing in meters with magnetic impellers for fluid measurement.
- Position sensing in switches and actuators for non-contact detection.
- Distance sensing in proximity tools and robotic end-effectors.
- Current sensing in power management circuits via magnetic fields.
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