FF6-11-AC-03

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Magnetic sensors, also known as magnetic reed switches and sensors, use the reed Relays principle to detect the presence of magnets or differentiate between different types of magnets. They are mainly used for detecting presence, proximity, and speed, and can also execute some control operations. These sensors typically appear as modules which are easy to set up and configure. FF6-11-AC-03 is a common, economical, and efficient module from this type.

Application Field

FF6-11-AC-03 can detect the presence of nearest magnets of certain strength, which makes it a great choice for interactive projects demanding detection of motion, inclination, and proximity. Its excellent performance has been applied widely in consumer electronics such as LEDs, smart home, and auto control systems. Robot control, door open detection, anti-theft devices, industrial automation, digital signage, fingerprint locking, building control, and medical devices are also very common application fields.

Working Principle

FF6-11-AC-03 consists of a permanent magnet and a reed switch that are placed in an insulator. When a magnet passes close to the switch, it affects the field of the permanent magnet and activates the switch just like an on/off switch. The reed switch’s contact state can be changed when a certain distance from the magnet is reached. This distance varies from 12mm to 20mm, depending on the type of the permanent magnet. The permanent magnet has a small size and usually uses a neodymium iron boron (NdFeB) magnet.

When using the FF6-11-AC-03 sensor, the voltage of the power supply and the degree of current should be consistent with the specific feedback value. The voltage from the sensor’s output can directly control some ICs or transistors. For the vast majority of applications, the FF6-11-AC-03 should be powered by 3-5V DC. When the sensor is 1.7cm away from the magnet, it will output the voltage corresponding to the power supply voltage. The current passing through the solenoid contact is very small (approximately 0.5mA).

Conclusion

FF6-11-AC-03 magnetic sensors are [fantastic] for carrying out detection for motion, inclination, and proximity. It is a modular device that is relatively easy to set up and configure. By applying these sensors to various projects, users can benefit from their excellent performance. With the help of a permanent magnet and a reed switch, FF6-11-AC-03 can detect magnets of certain strength within a certain range and output corresponding voltage in response to changes in proximity. When using the FF6-11-AC-03, users should be sure to check the power supply and current for compatibility.

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