V56MLA1206WA

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TVS (transient voltage suppression) devices are used to prevent potential damage from electrical pulses such as lightning, overvoltage, or ESD (electrostatic discharge). Varistors, MOVs (metal oxide varistors), and TVS are some of the more common types of surge protectors. V56MLA1206WA is a DC bi-directional overvoltage protector, and is composed of components designed from advanced technology 1.5SMO technology. This device is widely used in a variety of industrial applications, such as general consumer goods, automotive, computer, and medical, electronic equipment, communication systems, etc. This article will discuss the application field and working principle of the V56MLA1206WA.

Application Field of the V56MLA1206WA

The V56MLA1206WA is designed for use in low frequency DC function to protect from electrical surge. This device provides excellent protection from transient overvoltage surge and helps lengthen the lifetime of electronic components. It is designed to provide protection for system components against high ESD voltages and lowers the failure rate of electronic systems.

The key features of this DC overcurrent protector include low breakdown voltage, high clamping voltage, low capacitance, low leakage current and fast response time. Furthermore, several important qualities make the V56MLA1206WA a valuable choice as a DC overvoltage/overcurrent protector. These features include a proven temperature performance up to +150°C and a DC current capacity up to 22A.

The V56MLA1206WA is ideally suited for the protection of electronic applications such as automotive, data and communication networks, computer monitors and equipment, and network systems. It is UL certified and is tested for good surge protection in various harsh and extreme conditions worldwide. Additionally, the device is RoHS compliant and presents no lead hazards.

Working Principle of the V56MLA1206WA

The V56MLA1206WA is an overvoltage and overcurrent protector with a metal oxide varistor (MOV) at its core. A metal oxide varistor is a semiconductor material composed of particles of metal oxide bonded together. This material functions in a similar way as a Zener diode, but it possesses a relatively low breakdown voltage and thus provides excellent protection from transient overvoltage surge.

When a rapid surge in voltage or current is applied to the protected system, the metal oxide varistor of the V56MLA1206WA acts as a voltage or current limiter, reducing the magnitude of the surge to a safe level. The MOV starts to conduct when the applied voltage or current increases beyond its clamp voltage or current, respectively. The metal oxide varistor then dissipates the energy of the surge by conducting the current in the reverse direction.

This DC overvoltage/overcurrent protector also features an active diode chip. This component provides additional protection against excessive external voltage and current, and adds hysteresis to the device. The active diode also helps minimize the leakage current of the device, thus lowering the effects of interference on connected equipment.

Conclusion

The V56MLA1206WA is a DC bi-directional overvoltage protector designed to provide secure protection from transient overvoltage surge. Its 1.5SMO technology is designed to provide excellent thermal performance up to +150°C. Additionally, its active diode chip helps reduce the leakage current of the device, thus providing hysteresis and reducing the interference on connected equipment. This device is UL certified and is ideal for protecting automotive, computer, data transmission, and communication systems from electrical overvoltage and overcurrent.

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