HE3351A0500

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Reed relays are small switches that are available as sealed devices in various shapes and sizes. These widely used relays are made from a tiny glass capsule containing two tiny metal reeds, with each having a contact. When voltage is applied to the reed, a magnetic field is developed that causes the two metal reeds to move together and complete a circuit. The HE3351A0500 is a reed relay from TE Connectivity (formerly Tyco Electronics), and offers excellent performance in a hermetically sealed package.

Description

The HE3351A0500 is a single pole, selective contact reed relay constructed in a dual-in-line ceramic package. It has gold-plated leads, sealed powder iron flux core and a shield cover with an isolated core for low thermal resistance. The body size is 10.2 mm x 4.9 mm x 5.7 mm and the contact rating is 10 W max.

Features

• Small and compact size
• High-level voltage proof
• High contact resistance
• Low operating temperature
• Excellent performance under changing temperature and vibration
• Hermetically sealed housing
• Compliant with safety standards

Applications

The HE3351A0500 reed relay finds application in various industries and applications, such as medical equipment, automotive electronics, industrial automation, circuit-switching networks and high speed data acquisition. It provides reliable switching from a TTL logic signal, and is used for a variety of applications like battery switching, power switch disconnect, flow control, motor drive control and mechanical relay replacement.

Working principle

The HE3351A0500 reed relay works on the basic principle of magnetism. When it is connected to an AC or DC voltage source, an electromagnet develops a magnetic field that attracts and holds the two contact reeds under it in the closed position. This allows the current to pass through the two contacts, thereby switching the relay on. To switch it off, the voltage source is cut off, and the magnetic field dissipates, allowing the contact reeds to slide back to the normally open position.

Summary

The HE3351A0500 reed relay is a reliable and compact device designed to perform high-speed switching operations. It is hermetically sealed and has excellent performance under changing temperature and vibration. The reed relay is used in various industries, such as medical equipment, industrial automation, automotive electronics and circuit-switching networks. With its high-level voltage proof and low operating temperature, the HE3351A0500 is ideal for applications where high performance and reliability are essential.

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