TQ2SA-3V

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TQ2SA-3V is an electronic relay which is a kind of signal relays with up to 2 amps. It is widely employed in alarm systems, communication systems and electronic switching plants. The main characteristics are; high breakdown voltage, wide operating temperatures, and low power consumption. TQ2SA-3V is a relay with low on state resistance and high insulation resistance. It has a short circuit protection in the output side with a total power dissipation of less than 0.05 Watts.

The working principle of TQ2SA-3V is simple and straightforward. It is a two-position switch that can be switched by applying an electric signal to its input terminal. When an electric signal is applied to the input terminal, the internal switch of the TQ2SA-3V closes and the output voltage is turned on. When the electric signal is removed, the internal switch opens and the output voltage is turned off. The TQ2SA-3V has a response time of less than 5 milliseconds and is operated in a safe state. It is also provided with a "Fail Safe" feature that will turn off the output voltage if there is a problem with the signal.

TQ2SA-3V is suitable for applications in a variety of fields including railway signals, vehicle indicators, automotive relay applications, audio/video systems, industrial devices, telecommunication systems, and in consumer equipment. It is suitable for high temperature operation in environments up to 150°C and can be used in harsh conditions. It is also encapsulated in a plastic casing which makes it resistant to most environmental conditions such as dust, moisture, and other contaminants.

The TQ2SA-3V has a contact structure design consisting of two contact openings; one is a normally open contact, the other is a normally closed contact. The contact openings are formed by two common leaf springs which ensure a reliable switching operation. The switch consists of four internal layers; two layers of insulation material and two layers of metal sheet. By sandwiching the insulation material between the two metal sheets, the connection between the switch and the contact points becomes secure and reliable and the switch is able to provide a long-term contact operation.

In addition to the high insulation resistance and low on state resistance characteristics of the TQ2SA-3V, the device has a total power dissipation of less than 0.05 Watts; which is ideal for power-saving applications. Furthermore, it has a wide operating temperature range, and is designed for safe operation in high temperature environments. As it does not require a current to be activated and deactivated, it has a very low operating power consumption, making it ideal for applications where power savings are essential.

The TQ2SA-3V is a highly reliable and versatile signal relay with up to 2 amps and is used in many applications. It’s easy to use, suitable for power-saving applications, and has a short response time. The most important feature of TQ2SA-3V is it’s excellent insulation and low on-state resistance, making it an ideal choice for any application requiring a reliable signal relay.

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