B72210S2950K101

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The B72210S2950K101 is a general-purpose overvoltage and protection element that belongs to the category of transient voltage suppressors (TVSs), including varistors and metal-oxide varistors (MOVs). It is designed to protect sensitive electronics from transient overvoltage and current surges caused by electrostatic discharge (ESD) or lightning. It is a three-terminal, unidirectional, protective device.

The typical application field of the B72210S2950K101 is telecom and industrial applications in the automotive, computer, industrial automation, and consumer markets. It can be used for overvoltage protection of high-end telecommunications equipment, such as routers, switches, digital multiplexed systems, power supplies and other circuitry. It is also suitable for the assembly optimisation of electronic equipment, such as intelligent light dimmers.

The working principle of the B72210S2950K101 is based on the idea that if a voltage exceeds a predetermined breakdown voltage, the current flowing through the device increases exponentially. This initiates a clamping action that effectively limits the voltage on the protected lines. The device is designed such that the exact breakdown voltage is determined by its on-state resistance. When the power applied is equal to the device\'s maximum rated power, the voltage across the device will reach the nominal breakdown voltage, after which it will fall to a voltage closer to the device\'s rated holding voltage.

The large pulse current capability and fast response times of the B72210S2950K101 allows for reliable protection from transient overvoltage and current surges. The device additionally has excellent tracking accuracy to provide reliable protection over a wide temperature range. It also has a low equivalent series resistance, ensuring minimal power dissipation. The B72210S2950K101 is also RoHS compliant, making it an environmentally sound solution for overvoltage protection.

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