B72650M0170K093

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Varistors, or Voltage-dependent Resistors (VDRs), are nonlinear, passive components with an electrical resistance that is dependent on the applied voltage. TVS Varistors, or Transient Voltage Suppression Varistors, are used to protect DC circuits, AC circuits, and circuits with both AC and DC components from transients, such as those created by a lightning strike. This protection is provided by the varistor’s ability to shunt to ground any voltage greater than its breakdown voltage. B72650M0170K093 is a varistor from the MOV (Metal Oxide Varistor) family, which is one of the most common varistor families.

Application Fields: B72650M0170K093 is specifically designed for the protection of electronic components against transient voltages in the power supply networks of digital and mixed circuits, as well as in automotive electronics, communication systems, and appliances. This MOV can be used in applications with reverse voltage protection up to a maximum of 70V, peak pulse currents up to 350A and absolute maximum power of 350W. It is suitable for the protection of consumer and industrial electronics, and suitable for automated production, thanks to its surface mount design.

Working Principle: MOVs work by providing a low resistance path to ground to shunt excess voltage, while still allowing normal operating voltages to pass through. The actual working principle of these varistors is based on the principle of “flow-modulation”, whereby the current flow is affected by the voltage across the MOV\'s junction. When the voltage across the MOV junction exceeds its rated voltage, the current in the device is increased by a factor of 10 to 20. This current surge can be quickly diverted to ground since the MOV junction behaves like a low resistive path. In this way, the varistor guards against voltage transients and protects the connected circuit.

MOVs are designed to provide excellent protection against high-voltage transients, such as those caused by a lightning strike. Furthermore, MOVs can also offer protection against electrostatic discharges (ESDs), surge currents, overvoltage, and reverse polarity. MOVs are available in a variety of different ratings and packages, making them ideal for a wide range of applications.

B72650M0170K093 is a robust MOV designed to protect consumer and industrial electronics from high voltage transients and electrostatic discharges. Thanks to its maximum current handling capacity of 350A, it is suitable for numerous applications, including automotive electronics, communication systems, and appliances. It is also suitable for automated production, thanks to its surface-mount design.

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