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Honeywell Technologies Surface Hall Effect Sensor Position Sensor Magneto Resistive Technology 3 V to 24 V SOT-23 SM351RT
Specifications
| Country of Origin | China |
|---|---|
| Brand | Honeywell Technologies |
| Response time | 10μs |
| Height | 1.4mm |
| Length | 2.9mm |
| Model | SM351RT |
| Technology | Magneto Resistive |
| Sensor Type | Position Sensor |
| Width | 1.6mm |
| Mount Type | Surface |
| Series | SM |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-23 |
| Minimum Operating Temperature | -40°C |
| Standards/Approvals | RoHS-compliant |
| Pin Count | 3 |
| Maximum Supply Voltage | 24V |
| Minimum Supply Voltage | 3V |
| Supply Current | 5mA |
| Magnetic Type | Omnipolar |
Key Features
- Omnipolar magnetic sensing technology activates with either magnet pole.
- Ultra-high sensitivity up to 11 G for detecting large air gaps and small magnetic fields.
- Low supply current of 5 mA ensures efficient power consumption.
- Compact dimensions of 2.9 mm length, 1.6 mm width, and 1.4 mm height.
- Wide operating temperature range from -40°C to 85°C suitable for harsh environments.
- Response time of 10 microseconds enables fast switching applications.
- Surface mount type suitable for PCB assembly.
- Compliance with RoHS environmental standards.
Product Description
Honeywell Technologies SM351RT Surface Hall Effect Sensor is a high-performance magneto resistive sensor IC designed to provide precise position sensing in a compact and durable package. Operating over a voltage range of 3 V to 24 V, this sensor offers a superior ultra-high sensitivity of 11 G max, making it the most sensitive device in its class for standard power applications.
The sensor employs omnipolar technology which activates with either north or south pole of the magnet, providing flexible installation options. With a low supply current of 5 mA, it ensures minimal power consumption while maintaining reliable operation.
Its compact SOT-23 3-pin surface mount package measures only 2.9 mm in length, 1.6 mm in width, and 1.4 mm in height, making it suitable for dense PCB layouts in electronic assemblies. The sensor functions reliably across a wide temperature range from -40°C up to 85°C, supporting applications exposed to harsh environmental conditions.
The response time of 10 microseconds allows the sensor to perform fast switching, ideal for speed and position detection tasks in automotive, industrial controls, and other embedded sensor applications. The device is RoHS-compliant, affirming its adherence to environmental safety regulations.
This sensor is particularly well suited for manufacturers requiring durable and reliable solutions for detecting position or speed with large air gaps or weak magnetic fields. Its robust design and proven technology ensure consistent performance for various industrial, automotive, laboratory, and manufacturing uses.
Omnipolar magneto resistive sensing for flexible magnetic polarity detection. Ultra-high sensitivity capable of detecting magnetic fields up to 11 G max. 3 V to 24 V standard power supply flexibility for diverse circuit designs.
Compact SOT-23 3-pin package for space-saving PCB integration. Fast response time of 10 μs for precise motion detection. Wide operating temperature range -40°C to +85°C suitable for harsh environments. Low power consumption with a supply current of 5 mA.
RoHS-compliant for environmental safety. Applicable to industrial, automotive, HVAC, laboratory, and manufacturing sensor applications.
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Frequently Asked Questions
The SM351RT sensor operates over a voltage range of 3 V to 24 V, allowing for flexibility in various circuit designs.
This model features an ultra-high sensitivity of up to 11 G, making it capable of detecting both large air gaps and small magnetic fields.
The sensor has compact dimensions of 2.9 mm in length, 1.6 mm in width, and 1.4 mm in height, suitable for dense PCB layouts.
The response time of the SM351RT is 10 microseconds, enabling fast switching applications.
This sensor is designed as a surface mount type, making it suitable for PCB assembly.
The SM351RT has a low supply current of 5 mA, ensuring efficient power consumption during operation.
It operates reliably across a wide temperature range from -40°C to 85°C, making it suitable for harsh environments.
Yes, this sensor is RoHS-compliant, affirming its adherence to environmental safety regulations.
This model employs magneto resistive technology, which allows for omnipolar magnetic sensing, activating with either pole of a magnet.
The sensor features a 3-pin configuration, which is standard for its SOT-23 package type.
This position sensor is applicable in various fields including industrial, automotive, HVAC, laboratory, and manufacturing sensor applications.
The maximum operating temperature for this sensor is 85°C, allowing it to function in high-temperature environments.
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