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Reed Relays

Reed relays are high-speed, low-power electrical switches. They are composed of reed switch and coil. When the external current or magnetic field pass through the coiled wire, a linkage action is generated in the internal reed switch, so that the switch is turned on or off. This type of switch has the characteristics of compact size, fast response, low power consumption and long life. Therefore, when a light and stable switch is used, a reed switch or a reed relay is often used.

One of the most commonly used reed relays is the DBR70510S. It has many advantages such as low drive current (0.5mA), high switch contact resistance (100mΩ), and long service life (> 5 million operations). Due to its relatively small size, the DBR70510S can be used in a variety of electrical equipment.

Application Field

DBR70510S relays can be used in a wide variety of applications. For instance, they can be applied in telecommunication equipment, consumer electronics, computer peripherals, medical instrumentation, automotive applications, test instruments, electrical control systems, ultrasonic equipment and more. Their small size allows them to be easily applied to board-level and chip-level designs.

For instance, the medical industry makes extensive use of DBR70510S relays for applications such as MRI systems, hearing aids, quantitative blood tests, cardiac catheterization, and eye operations. In the telecommunication sector, these relays are used in telephone systems, wireless networks, modems, radio networks, and satellite systems. Furthermore, they can find applications in automobile systems like starters, mirrors, lamps, seat control, display control etc.

Working Principle

There are several parts to the working of a DBR70510S relay. First, the coil is energized by a current, and this generates a magnetic field inside the relay. The reed switch is then attracted to the end of the wire coil by this magnetic field. When the external current or magnetic field passes through the coiled wire, linkage action is generated in the internal reed switch. This linkage action then turns the switch on or off, thus allowing current to pass through the desired circuit.

The relay remains in the energized position as long as the current or magnetic field continues to pass through the coil. When the current is cut off, the reed switch is flipped the opposite direction and the contact breaks. This, in turn, interrupts the flow of current thus turning the relay off. The DBR70510S relay helps in providing reliable and efficient operation.

Conclusion

The DBR70550S reed relays are high-speed, low-power electrical switches. They are suitable for applications like medical instrumentation, telecommunication equipment, consumer electronics, computers and automotive systems. Their small size and low power consumption allow them to be easily used in board-level and chip-level designs. The working principle of the DBR70510S relay involves energizing the coil to generate a magnetic field inside the relay that attracts the reed switch to the coil. When the external current or magnetic field passes through the coil, linkage action is generated in the internal reed switch, thus allowing current to pass through the desired circuit.

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