TQ2-4.5V

Series:	TQ
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Relay Type:	Telecom
Coil Type:	Non Latching
Coil Current:	31.1mA
Coil Voltage:	4.5VDC
Contact Form:	DPDT (2 Form C)
Contact Rating (Current):	1A
Switching Voltage:	125VAC, 110VDC - Max
Turn On Voltage (Max):	3.38 VDC
Turn Off Voltage (Min):	0.45 VDC
Operate Time:	3ms
Release Time:	3ms
Features:	--
Mounting Type:	Through Hole
Termination Style:	PC Pin
Operating Temperature:	-40°C ~ 70°C
Contact Material:	Silver (Ag), Gold (Au)
Coil Power:	140 mW
Coil Resistance:	144.6 Ohms

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Signal Relays are devices that use a mechanical actuator, such as a solenoid or motor, to open or close a set of contacts. They are used in a wide variety of applications, and the particular relays used in a particular application must be chosen based on their characteristics. Today we will explore the TQ2-4.5V signal relay and its application field and working principle.

Construction

The TQ2-4.5V signal relay is a miniature relay that is small in size measuring 22.5mm in length, 15.5mm in width, and 12.5mm in height, making it ideal for small, compact spaces. It includes several components including the power coil, contacts, body frame, actuating lever, and connecting terminals. The power coil is connected in parallel with the contacts and is designed to convert electrical energy into mechanical energy. This mechanical energy is then used to actuate the relay lever and contacts and switch them either off or on depending on the voltage input. The body frame holds these components together to form a single relay unit. The actuating lever is what receives the mechanical energy from the power coil and actuates the contacts of the relay.

Voltage Ratings and Working Principle

The TQ2-4.5V signal relay is typically rated for a voltage of between 4.5 volts and 24 volts. The voltage ratings of the relay determine the amount of current it can with stand. When the rated voltage is applied to the relay, it will be energized and the actuating lever will be pulled inwards, which in turn actuates the contacts of the relay and either turns them on or off depending on the position of the lever. The contacts of the relay are designed to be in the normally open position, meaning that the circuit will be off until the correct voltage is applied to the relay. Once the voltage is applied, the contacts will be closed, thus completing the circuit and allowing the current to flow.

Uses of TQ2-4.5V Signal Relays

The TQ2-4.5V signal relay is designed for low-power applications and is commonly used in computers, mobile phones, and automotive circuits. It can be used for switching on/off a device or circuit remotely or for providing protection for other components. The relay is also used in applications that require low-power switching and control, such as in electronic circuits and alarm systems. Its small size also makes it suitable for use in space-constrained areas such as PCB boards and instrument panels.

The TQ2-4.5V signal relay is an ideal choice for low-power applications that require precise control and switching. Its design and construction make it suitable for use in a variety of applications, from automotive circuits to alarm systems. By understanding its application field and working principle, engineers and technicians can easily select the right relay for the job and ensure reliable operation.

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