The SS495A1 is a high-performance linear Hall-effect sensor from Honeywell, designed for industrial, automotive, and consumer electronics applications. Its core feature is delivering an analog voltage output proportional to magnetic field strength, combined with high sensitivity, low noise, and exceptional temperature stability. With a wide operating voltage range and outstanding precision, reliability, and ease of integration, this sensor is a top choice for demanding measurement applications.
Key Specifications
- Supply Voltage: 4.5V to 10.5V
- Output Signal: Analog voltage
- Quiescent Output: 50% of supply voltage (zero-field condition)
- Operating Temperature: -40°C to +150°C
- Packages: TO-92 (3-pin through-hole) / SOT-89 (surface-mount)
Functional Features
- Linear Response: Output voltage varies proportionally with magnetic field strength (both N/S poles)
- Extended Temperature Operation: Reliable performance in harsh environments
- Low Power Consumption: 7mA typical quiescent current
- Noise Immunity: Built-in filtering reduces electromagnetic interference
Typical Applications
- Position Sensing: Linear displacement measurement, Angular detection (e.g., accelerator pedals, throttle valves)
- Current Sensing: Indirect current measurement via magnetic field detection
- Industrial Control: Valve position monitoring, Robotic arm feedback systems
- Automotive Systems: Transmission sensors, Steering angle detection
Comparative Analysis: SS495A1 vs SS49E
| Parameter | SS495A1 | SS49E |
| Voltage Range | 4.5V - 10.5V | 3V - 6.5V |
| Temp Stability | Superior | Standard |
| High-Temp Suitability | Automotive/Industrial | Consumer-grade |