TQ2SL-4.5V-X

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The TQ2SL-4.5V-X Signal Relay is a small electromechanical relay designed specifically for signal switching up to two amps. It is an extremely versatile and reliable device, which can be used in a wide range of applications.

The TQ2SL-4.5V-X is a surface-mount relay with a recommended coil voltage of 4.5 volts. It is small in size and has a low profile design, ideal for when space is an issue. The relay features an automatic changeover (SPDT/SPST) contact configuration with a maximum contact rating of 0.4VA (resistive load). This makes it suitable for switching low-level AC and DC signals.

In terms of its operational areas, the TQ2SL-4.5V-X can be used in a variety of industrial and consumer applications, including alarms, sensors, medical equipment, HVAC systems, automotive electronics, and more. Its contact configuration also makes it especially valuable for switching low-level signals in demanding applications.

The working principle of the TQ2SL-4.5V-X is quite simple and straightforward. The device consists of two sets of contacts, one of which (known as the “normally open" contacts) are usually held open when the relay is in an inactive state. When voltage is applied to the coil, an electromagnet attracts the armature and closes the contacts, allowing current to flow through the device.

The closed contacts remain closed until the voltage is removed from the coil, at which point the armature is released and the contacts open up again. This “normally open” setup makes the TQ2SL-4.5V-X ideal for switching low-level signals with minimal contact bounce or sparking.

The TQ2SL-4.5V-X is an excellent choice for low-level signals when space is a concern. Its surface-mount design, small size, and low-resistance contact configuration make it an ideal choice for a wide range of industrial and consumer applications. Furthermore, its simple, intuitive working principle makes it reliable and easy to use.

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