V390MT3A

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V390MT3A is a semiconductor component manufactured by Littelfuse, a leading designer and manufacturer of circuit protection, connection and various electronic solutions. It belongs to TVS – Varistors, MOVs and is widely used in the market today. In this article, we will look into the application field and working principle of the product.

V390MT3A is a three terminal, high ESD surge energy capability, enclosed in a Radial lead type package. It is meant to be mounted on circuit board for providing overvoltage and overcurrent protection. The device has a flat clipping characteristics with low let-through voltage and surge energy rating for each surge rating. It can protect sensitive components and circuitry against short duration voltage spikes that occur in a wide variety of environments. It is suitable for protection of automotive, home, telecom and data, and industrial systems. Recently, it has been used extensively in the consumer electronics market to prevent damage to sensitive components and protect against power surges.

The working principle of the V390MT3A is quite simple. It has a low resistance until the voltage reaches a certain level. At that point, the resistance rises rapidly and the current is quickly diverted away. The voltage is then safely discharged and dissipated very quickly, thus preventing damage to the connected device. In addition, the V390MT3A is designed with a low residual voltage which allows the user to reset the device after the voltage spike has passed.

The V390MT3A has a maximum transient current rating of 80 amps and a maximum peak pulse power of 650 watts. It is also highly reliable, with a typical life span of 100,000 operating hours. Furthermore, it is designed to maintain its performance for steady state operation, even in extreme temperatures ranging from -55°C to +125°C. It is highly resistant to vibration and shock and is also RoHS compliant.

In conclusion, the V390MT3A is a versatile three terminal device designed to provide overvoltage and overcurrent protection for various applications. It features a flat clipping profile and has a maximum transient current rating of 80 amps. It is also highly reliable and resistant to vibration and shock, while maintaining its performance in a range of temperature extremes. Additionally, it is compliant with RoHS, making it ideal for a broad range of applications.

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