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Reed relays are electronic components that use an electromagnet to control an armature. A reed relay is made up of an electromagnet and an armature. Its galvanic separation can prevent electric shock. Due to the ease of controlling a reed switch through an electromagnet, they have become popular in many applications.

History of Reed Relays: Reed relays were invented by scientist and inventor Harry Ward Leonard in the late 19th century. They were first used in electric telegraph systems, which were mainly used for communication and control.

Application Field of Reed Relays: Today, reed relays are used in many industries, from the automotive to the aerospace, medical, and military fields. They are used in systems that require an efficient way to differentiate between two states, such as current, voltage or other signals. These relays are also used in telecommunications, power supplies, computers, pyrotechnic controls and radio Frequency Identification (RFID) systems.

Working Principle of Reed Relays: Reed relays work by using a coil to generate a magnetic field when activated. When the relay is activated, the field moves an armature that connects with two contacts. This action causes the contacts to close, allowing a current to flow for a certain amount of time. When the current is turned off, the armature returns to its original position, opening the contacts again.

Reed relays have a wide range of applications, from simple switching applications to control of complex systems. They are capable of switching a few hundred milliamps up to several amps. They are highly reliable and durable, and are often used in applications where low power consumption is critical. With the development of technology, the reliability of reed relays has significantly improved, and they are now used in many different fields.

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