ARA210A12

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High Frequency (RF) Relays are commonly used in telecommunications, radio and television transmission, and radar systems, and have caused a revolution in the electronics industry since their introduction. ARA210A12 is a type of high frequency relay designed for application in radio systems and its working principle is similar to other types of high frequency relays.

An ARA210A12 relay is a physical switch which opens and closes electrical contacts of a circuit when energized by an electrical signal in a circuit. It is a simple-to-use device consisting of stationary contacts, movable contacts, and an activator in the form of a stationary solenoid, also referred to as an electromagnet. When energized by current, the solenoid pulls the movable contacts down onto the stationary contacts closing the circuit. When the voltage to the solenoid is removed, the movable contacts are released and they separate from the stationary contacts and open the circuit.

The ARA210A12 is suitable for applications in radio systems such as antenna switching, amplifier protection, antenna tuning and isolating power from the receiver. It is designed to prevent power loss in circuits and help with tuning the antenna to the correct frequency. It is commonly used in receiving equipment since it is important to prevent the receiver from receiving high amplitude of undesired signals.

The main features of ARA210A12 are low trigger power, low contact resistance, low mechanical and electrical noise, and fast response. It also has last all contacts provide redundancy, which is a very important feature in RF systems. It is designed for use with DC or AC circuits and has a maximum working voltage of 33V DC and 33V AC. The contact closure time is 0.15ms while the release time is 0.1ms. It is capable of switching up to 200mA, with a contact pressure of 500gf, and a recommended contact load of 150mW. The switching lifespan of the ARA210A12 is rated at 50,000 operations.

In conclusion, ARA210A12 is a type of high frequency relay designed for application in radio systems. Its working principle is similar to other types of high frequency relays and it is specifically designed to prevent power loss and help with tuning antennas to the correct frequency. It features low trigger power, low contact resistance, low mechanical and electrical noise, and fast response. It also has last all contacts to provide redundancy. It is capable of switching up to 200mA, with a maximum working voltage of 33V DC and 33V AC, and has a switching lifespan of 50,000 operations.

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