7103-12-1010

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Reed relays are a form of contact relays that use a pair of ferromagnetic blades or reeds. These reeds are held beneath a permanent magnet and a coil, so that when current passes through the coil, it causes the orientation of the blades to shift sufficiently to cross over and close a set of electrical contacts. Reed relays come in a variety of shapes and models, and can be used both for AC and DC switching. The 7103-12-1010 reed relay is a medium-sized model with 10A DC can carry.

Specifications

The 7103-12-1010 reed relay is a medium-sized model that measures 5.08 cm x 5.08 cm. It is made from copper, and has a maximum current handling capacity of 10A DC. It also features a maximum contact rating of 120VAC and 4W. The contact resistance is 70m ohms, while the insulation resistance is 100 mega ohms. It has a maximum initial contact drop of 10mV, and the voltage withstand rating is 1500mV.

Application Fields and Working Principle

Reed relays, of which the 7103-12-1010 is one example, are primarily used in telecommunications, computer and consumer electronics applications. They are small and lightweight which makes them attractive for use in these markets. They are also highly reliable and durable – The reed relay has switch lifetimes in excess of 10 million cycles, which makes them an excellent choice for long-term use.

The working principle of the 7103-12-1010 reed relay relies on a pair of ferromagnetic reeds. When current flows through the relay’s coil, the magnet’s polar orientation causes the reeds to move. This movement causes the electrical contacts located atop the reeds to close or open, thus allowing or preventing electrical current flow respectively. The contacts will remain in the same orientation until the coil’s current is reversed, thus changing the polar orientation and causing the reeds to switch back.

In addition, the 7103-12-1010 is designed to offer a form of protection against electrical surges, due to its conformal-coated internal components. Its insulation resistance is also designed to withstand up to 1000VAC for 1 minute.

Advantages

Reed relays such as the 7103-12-1010 offer a number of advantages over conventional mechanical relays. Firstly, they are smaller and lighter, making them easier to install and transport. Secondly, they have a high actuation speed, making them ideal for applications where speed is a priority. Thirdly, their senstivity level is much higher than that of mechanical relays, making them suitable for use in low-level signal applications. Finally, they are highly reliable and durable, with long-term switch lifetimes that surpass those of mechanical relays. This makes them well-suited for applications that call for sustained periods of operation.

Conclusion

The 7103-12-1010 reed relay is a medium-sized model that is well-suited to a number of applications. Its features and specifications make it an ideal choice for AC and DC switching tasks, and its superior performance and durability ensure that it can be relied upon for long-term use. Its small size and lightweight nature also make it attractive for applications that require portability or installation in tight spaces.

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