FRD12021

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Reed relays are electro-mechanical switches commonly used in automated electronic systems in both industrial and consumer applications such as telecommunication systems and medical instruments. Their basic design is based on an electrically insulating container, which houses a sealed electromagnet. The electromagnet is comprised of two parts: an armature and a pivot. The armature is held in place by the pivot and can be released by the application of electrical current to the electromagnet. When power is applied, the armature moves away from the power source and the contacts of the reed relay are activated.

The FRD-12021 reed relay is designed to meet the requirements of most general purpose switching applications. It features three independently-activated contacts and can be used to control a wide range of AC and DC voltages and currents. With its superior insulation properties and reliable contact protection, the FRD-12021 is suitable for high-speed switching operations.

The working principle of the FRD-12021 reed relay is fairly straightforward. It operates on the principle of magnetically actuated reed switches. When electricity is applied to the electromagnet, it energizes the armature which releases the contacts. The contacts then close, forming a circuit between the power source and the load. By adjusting the current applied to the electromagnet, it is possible to control the switching speed of the relay.

The FRD-12021 is designed to be used in a variety of applications, including construction automation, security systems, medical equipment, vending machines, and many other electronic products. Its ability to switch a wide range of AC and DC voltages and currents makes it a very useful component in a wide range of electronic systems. Its reliable insulation capabilities and contact protection make it suitable for high-density electronic applications.

The electrical parameters of the FRD-12021 reed relay are specified in its datasheet. It has a maximum switching power of 2 watts, a rated voltage of 5V DC, a thermal steady state current of 2mA, a contact resistance of 20mohm, a rated pull-in voltage of 4.5V DC, a maximum release voltage of 0.5V DC, and a maximum switching frequency of 250 operations per second.

In summary, the FRD-12021 reed relay is an ideal choice for a variety of applications due to its reliable operation, superior insulation properties, and reliable contact protection. It can be used to control a variety of AC and DC voltages and currents, making it suitable for high-speed switching operations. It also has a wide variety of electrical parameters that make it a versatile component for a wide range of electronic projects.

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