0071.1261.T2

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TVS (Transient Voltage Suppressors) are special passive electronic components used for protection against overvoltage transients in circuits. Varistors, also known as VDRs (Voltage Dependent Resistors), are increasingly becoming popular for their ability to protect against voltage overshoots and disturbances.

The 0071.1261.T2 is an example of a TVS-based protection device with a voltage rating of 500V and an energy rating 1.2 Joules. It is designed for use in general purpose AC and DC applications and helps improve the immunity of circuits to overvoltage transients.

Working Principle

Varistors, like MOVs (Metal Oxide Varistors), provide protection by dissipating overvoltage in the form of heat. This is achieved by the varistor’s reverse biased junction which acts as a voltage regulating element by sinking excess energy. When an overvoltage transient occurs, the voltage regulator shifts the excess energy generated by this transient away from the protected circuit, thereby preserving the integrity of the circuit.

The 0071.1261.T2 employs a nonlinear PTC (Positive Temperature Coefficient) varistor as its voltage regulating element. When an overvoltage transient occurs, the PTC varistor offers a low impedance path across the protected circuit to dissipate the excess energy generated by the transient.

Applications

The 0071.1261.T2 is suitable for a wide range of AC and DC applications, including automotive, space, military and medical electronics. It can safeguard from transients generated in the following areas:

• Inductors
• Power supplies
• Communication lines
• Electric motors
• Input lines
• Circuit board designs
• Voltage regulators

The 0071.1261.T2 can also protect sensitive components from high frequency power switching transients, ESD and lightning-induced transients. In applications such as automotive systems, it can help ensure the system remains operational even when subjected to extreme environmental conditions.

Conclusion

The 0071.1261.T2 is an example of a TVS-based protection device with a voltage rating of 500V and an energy rating of 1.2 Joules. It offers protection from overvoltage transients and provides improved immunity in circuits from overloads and overvoltage conditions. The 0071.1261.T2 is suitable for various AC and DC applications including automotive, space, military and medical electronics.

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