9007-12-40

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Reed Relays

A reed relay is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope. The contacts are usually normally open, closing when a magnetic field is present. When the magnetic field is removed the contacts open again. Reed relays find uses in many applications where small size, low power switching is required.

9007-12-40 Application Field and Working Principle

The 9007-12-40 is a reed relay designed for special purposes. It is found in audio, automation, home security and power distribution. It is suitable for low current switching applications and it plays a useful role in building telephone circuits, remote switching, control systems and so on.

The 9007-12-40 relay utilizes a magnetically operated reed switch that is secured within a sealed plastic cover. The construction is designed to reduce the effects of corrosion. It has a normally open contact set that closes when a magnetic field is created. The contact will open again when the magnetic field is no longer present. The 9007-12-40 reed relay features a large coil diameter with a current rating of 1A at 24VDC.

The 9007-12-40 has an excellent cycle life of 50,000 which ensures reliable and accurate switching for many years. It also offers long-term consistency in contact resistance, temperature and durability. The 9007-12-40 is a high quality reed relay for a variety of applications.

The working principle behind a reed relay is that a switch is released when a magnet comes into proximity with it. This causes the switch contacts to close, or open depending on the wiring. Once the magnet is removed, the contacts will open or close again. This is what allows the reed relay to be used for remote switching and controlling of circuits. The 9007-12-40 reed relay works the same way.

In conclusion, the 9007-12-40 is a reliable reed relay that is suitable for low current applications. It has a long cycle life and offers excellent temperature and contact resistance. It is mainly used in audio, automation, home security and power distribution. The working principle behind the 9007-12-40 is simple to understand and it relies on a magnet to open or close its contacts.

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