TQ2H-12V

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Signal relays are vital components in many electronic circuits, and models like the TQ2H-12V have a particularly wide range of applications. This article takes an in-depth look at the TQ2H-12V\'s features and explains how it works.

Design and Specs

The TQ2H-12V is a small, 0.28-inch (7.0-mm) ultra-miniature signal relay. It is an SPDT (single pole double throw) with a Latching mechanism and can handle up to 2 amps. It has a nominal coil power consumption as low as 50 mW, making it highly energy-efficient. It can operate in temperatures up to +85°C.

The TQ2H-12V offers excellent safety features, including UL- and cUL-recognized components. Its plastic enclosure meets the requirements of EN60539 (an electrical safety standard for low-voltage devices). Furthermore, the relay has strong resistance to oil for improved service life and stability.

Application Field

The TQ2H-12V is designed to switch relatively low current signals in a wide range of applications. It can be used in computer system control, printer interfaces, home automation systems, sensing and control systems, and medical equipment. It is also suitable for use in industrial machinery such as pumps, motor drives, and vending machines. In addition, the relay is used in ventilation and air-conditioning systems.

Working Principle

The TQ2H-12V is an electromechanical relay that relies on an electromagnet to activate a switch. The relay is triggered by an electrical current that flows through its coil. The current creates a magnetic field that attracts the plunger (a metal armature) to move towards the coil. This causes the contact, which is attached to the plunger, to close and make the connection. When the switch closes, a current flows through the circuit, activating it.

When the current is disconnected, the magnetic field collapses and the plunger returns to its original position, breaking the connection. The returning plunger also has a secondary contact that it strikes, making a different connection. This allows the TQ2H-12V to be used as both a single-throw and double-throw switch.

The TQ2H-12V\'s latching mechanism makes it highly reliable. It also has a low coil voltage, allowing it to be used in a wide range of applications.

Conclusion

The TQ2H-12V is a versatile signal relay that is suitable for a variety of applications. Its latching mechanism and low power consumption make it ideal for switch low current signals in a variety of systems. Its excellent safety features and reliable performance make it an excellent choice for many projects.

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