HE721A1210

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Reed relays are manufactured with a range of shapes and sizes to provide solutions to a number of different electronic applications. The HE721A1210 is one such reed relay, with a number of important aspects that make it highly suited to a variety of applications. In order to understand why the HE721A1210 is a popular choice when using reed relays, an understanding of its application field and working principle must be established.

The HE721A1210 is a miniature type reed relay and is especially suited for use in electronic components such as calculators. In terms of size, it is a 4 pin, non-latching relay that measures 0.45” by 0.2” plus 0.2” terminals. This makes it perfect for applications where a more compact relay is required, such as in personal electronics devices.

The application field of the HE721A1210 covers a wide range of systems, including those that require an electrical connection. It is ideally suited for use in audio amplifying systems, fax machines, transistors, audio-visual amplifiers, comparators and modulators. It can also be used in optical communication systems, control systems, telemetry systems and other similar applications.

Due to its smaller size, the relay is more reliable in providing a higher current without the risk of the connections becoming inconsistent or damaged. The switching capabilities are further enhanced through the use of a magnetic field and a core flux. Furthermore, the life cycle of the relay is improved through the use of inert material which can resist intermediate interruptions and improve the operational life.

The working principle of the HE721A1210 has a direct focus on providing a magnetic connection. By using a reed switch composed of a magnet and core flux, the relay is able to change the magnetic flux from one device to another. The magnet is attracted to certain crystal-like materials known as ferromagnetic material, which when exposed to a magnetic field exhibit a change in resistance. This resistance change causes the reed switch to close or open, completing or breaking the electrical circuit.

In addition to its means of operation, the HE721A1210 has a number of other notable features. It is rated to a maximum 1A contact rating at 250V AC, with an insulation resistance of more than 1000 megohm contact rating. It is also highly resistant to vibrations and is UL approved to ensure the safety of the user.

The HE721A1210 is a reed relay that provides an efficient solution to a wide range of applications, making it a popular choice amongst users looking for a reliable and long-lasting switch. Its minimal size affords it a range of advantages, and its working principle and features offer a good understanding of its capabilities. Therefore, the HE721A1210 is an excellent choice for those requiring a reliable reed relay in their electronics systems.

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