TQ2SL-3V Relays

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The TQ2SL-3V is a type of signal relay, up to 2 Amps, with a wide range of applications and a simple, yet highly reliable working principle. It is a single-pole double-throw (SPDT) bond-stabilized signal relay, meaning that the contacts maintain the predictable level of electrical insulation regardless of climatic condition. This type of relay can be used for a wide range of purposes, such as logic circuit switching, interfacing operations, and others.

The TQ2SL-3V is a compact, 5-pin design signal relay with a wide range of voltage control options. It has a 3 to 12 Volts DC energization voltage range that works with negative as well as positive voltage excitation. The control voltage of this signal relay is very linear and predictable up to approximately 6 Volts DC. Above this voltage, the relay behaves as expected, but with a slightly increased force. This can be calculated by using a formula to adjust the voltage accordingly.

The fuse and surge element of this signal relay is over-voltage protected, with an optional time-delay if required. This means that the relay can endure the harsh environmental and electrical conditions within a wide operating temperature range. The contact holding capacity is 1 Amp at 28 Volts DC. This signal relay has a very low power consumption, with a power range of 0.9mW at 3 Volts DC and 120mW at 12 Volts DC. This is an ideal signal relay for energy efficiency applications.

The TQ2SL-3V signal relay works by very simple principles. When the control voltage is applied, the internal coil gets energized and produces a magnetic field which acts upon an armature with two contact points; actuating one side and releasing the other. This results in a switching action, with the contacts disconnected when the coil is de-energized.

In addition to this, the signal relay features a fail-safe connection, meaning that if the coil malfunctions, the contacts will go back to its original, fail-safe position. The coil can be driven with a latch driver, which will hold the coil initially energized until another control signal is applied. This makes the TQ2SL-3V signal relay the perfect choice for applications where a fail-safe connection is required, such as home security systems.

The TQ2SL-3V signal relay is a versatile and reliable solution for a wide range of applications. It is easy to install and ideal for applications which require a fail-safe connection and a low power consumption. The compact design and wide voltage range make it highly suitable for many electronic circuits and systems. Its ability to withstand harsh environmental and electrical conditions makes it a perfect choice for long-term applications.

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