V24ZC50

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TVSs (transient voltage suppressors) are semiconductor devices employed to protect circuitry against electrical transients (voltage spikes) and overvoltage events. MOVs (metal-oxide varistors) and Varistors are two important types of these protective devices. The V24ZC50 is a Varistor manufactured by the company Littelfuse. This device offers effective protection from electrical transients and overvoltage events.

Application Field

The V24ZC50 Varistor is a utilization-grade device designed to protect sensitive electronic components. It is a compact, rugged device specifically designed for use in industrial settings. The device can withstand high transient voltage spikes of up to 1700V although its rated operating voltage ranges from 7V to 17V. It is suitable for a wide range of applications such as lighting systems, power supplies, electric motors, pumps and other similar industrial applications.

Working Principle

The V24ZC50 works by clamping or limiting the transient voltage peak. The device is made up of a centrally located zinc-oxide (ZnO) chip and two outer layers of metal electrodes. The device functions as a resistor and its resistance value changes with the applied voltage. When the applied voltage is low, the resistance value of the Varistor is very high. As the voltage increases, the resistance of the Varistor changes and it begins to conduct, thus limiting the voltages across the device. When the transient voltage exceeds the Varistor’s rated voltage, it will immediately start conducting and clamp the voltages. As the transient voltage decreases, the Varistor will immediately stop conducting and return to its high resistance state.

The V24ZC50 Varistor has an energy rating of 10 Joules, which enables it to absorb and dissipate considerable amounts of energy. The device is designed to operate in temperatures ranging from -40°C to +110°C and is equipped with an overvoltage protection circuit. This overvoltage protection circuit helps prevent the Varistor from burning out due to prolonged or frequent sustained overvoltage events. The V24ZC50 Varistor is also designed to be used in conjunction with other protection devices such as PTCs (positive temperature coefficient thermistors) and MOVs (metal-oxide varistors).

The V24ZC50 Varistor is a highly reliable and cost effective device designed to protect electronic equipment from overvoltage and transient voltage events. It is suitable for a wide range of applications and provides excellent electrical protection in harsh industrial environments. It is easy to install and requires minimal maintenance. The device is RoHS compliant and is available in TO-220, DIP and SMT packages.

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