ROV10-391K-S-2

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Studio-grade transients are known to be highly destructive forces that can wreak havoc on any unprotected electronic system. From temporary data loss or corruption to permanent hardware damage, transient events can cost businesses a great deal of time, money, and resources. A key component of any comprehensive transient protection strategy is the use of a transient voltage suppressor (TVS). The ROV10-391K-S-2 is one example of a popular TVS that offers exceptional protection against damaging transients. This article will discuss the application field and working principle of the ROV10-391K-S-2.

Application Field

The ROV10-391K-S-2 is designed to protect against the destructive transient events that can cause catastrophic damage to electronics. Generally speaking, these transients result from causes such as unexpected voltage spikes induced on a conductor, direct lightning strikes, or short duration electrical outages caused by extreme weather. The ROV10-391K-S-2 can be used to provide protection in a wide range of applications including electronic systems in industrial, commercial, military, and aerospace environments.

This powerful TVS is designed to withstand large current surges up to 1000 amperes and voltages up to 200V. It is also capable of withstanding transients that last up to 8/20 µsec. With this powerful surge capability, the ROV10-391K-S-2 is an ideal choice for systems that are exposed to the risk of lightning strikes or high-energy surges.

In addition to its impressive surge protection capabilities, the ROV10-391K-S-2 is also small in size and lightweight, making it an ideal choice for space-constrained applications. It is also highly reliable, with an expected lifetime of 10,000 hours at 25°C. This ensures that the ROV10-391K-S-2 can provide reliable protection for critical electronic systems in a wide range of applications.

Working Principle

The ROV10-391K-S-2 is a bidirectional TVS that is designed to protect against both ESD and lightning-induced transients. It uses a combination of diode arrays and metal oxide varistors (MOVs) to provide protection against both positive and negative transients. The device has two 5-pin terminals, one of which is for external connection and the other is for ground connection.

When a transient occurs, the TVS first begins to clamp the voltage, limiting it to a predetermined value. This clamping effect absorbs the energy from the transient and diverts it safely away from the protected circuits. Once the transient event has passed, the TVS slowly releases the voltage, allowing it to safely return to its normal value. This process is known as the “clamp and release” operation.

In addition to its clamping operation, the ROV10-391K-S-2 also offers thermal protection. This feature is designed to prevent the device from becoming too hot due to prolonged clamping operations. If the temperature of the device exceeds its limit, it will automatically shut down until it has cooled sufficiently. This ensures that the component remains at a safe temperature, allowing it to provide reliable protection over the long term.

Conclusion

The ROV10-391K-S-2 is an effective transient voltage suppressor (TVS) that is designed to offer protection against destructive transient events. It is capable of handling surges up to 1000 amperes and voltages up to 200V, making it an ideal choice for industrial, commercial, military, and aerospace applications. In addition, its small size and lightweight design make it an excellent choice for space-constrained applications. It also features a reliable “clamp and release” operation as well as thermal protection to ensure reliability over the long term.

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