SBR412SD

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Reed relays are used in a variety of ways, among which the SBR412SD is one of the most frequently used. This simple yet dependable electric component serves a wide range of processes in a range of different industries. Here is an overview of the SBR412SD application field and working principle.

What are Reed Relays?

Reed relays are constructed with a hermetically sealed reed switch, and were first invented in the early 1920s. Nowadays, they are mostly used for signal transmission, isolating two circuits from each other, and protecting the parts that are involved in the transmission of signals.

The reed switch is a low-voltage, low-current, high-speed switch that features two overlapping thin magnetic strips of metal that are sealed in a vacuum-sealed glass capsule. The switch remains open until a magnetic field is applied to the switch, which then causes the metal strips to touch and close the circuit.

SBR412SD Application Field and Working Principle

The SBR412SD reed relay is widely used in the automotive, manufacturing, electronics, medical, and other industries. The SBR412SD is an especially reliable and popular choice, since it is capable of switching both low voltage and low current AC and DC signals. It also features a high-speed switching action, with switch contact closures that last no more than 10 milliseconds when responding to various input signals.

When it comes to working principle, the reed relay is designed so that it will pick up quickly and accurately when it perceives a DC or AC signal. The device has a coils and a core that are made of ferromagnetic material. When the coil senses an input signal, it creates a magnetic field that causes the metal strips of the reed switch to come into contact and close the circuit.

When the input signal is removed, the magnetic field weakens and the metal strips separate, thus breaking the circuit. This enables the device to act as a switch or relay that is capable of controlling and safeguarding the transmission of an input signal.

Conclusion

The SBR412SD reed relay is an essential device used in many industries for controlling and safeguarding the transmission of input signals. It features a high-speed response time and is capable of switching low-voltage AC and DC signals. The device has a simple yet dependable working principle, making it a reliable and popular choice.

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