B72520T0080L062 Circuit Protection

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B72520T0080L062 is a varistor, a family of TVS (transient voltage suppressors), known as MOVs (Metal Oxide Varistors). It is a nonlinear, voltage-dependent electronic component designed to protect against transient voltage and surge events. It acts as a short-circuit between a power source and the protected circuit, allowing overvoltage to be safely channelled away.

B72520T0080L062 is distinguished by its exceptional maximum surge current handling capability. It\'s rated for a peak 8/20 μs current of 20,000A (with a one time surge of 80,000A). This makes it particularly suitable for applications such as automotive and industrial power supplies, as well as telecom and medical device power systems. Its wide operating temperature range of -55 to +125°C ensures reliable performance under extreme conditions.

B72520T0080L062 works on the principle of reverse breakdown. Its main role is to reduce the voltage of the incoming signal to a safe level. It does this by limiting the current flowing through the protected system. The device has two terminals (positive and negative) and when a surge voltage is applied across them, the varistor\'s breakdown voltage is exceeded and the device conducts briefly, allowing the surge current to flow, and protecting the system. After the current has been dissipated, the device stops conducting and reverts back to its high resistance state.

When a transient voltage is applied, the B72520T0080L062 varistor clamps the voltage, and helps reduce its effect on the protected circuit. The device can also absorb energy released when the voltage spike occurs. The clamping voltage is determined by the design of the MOV, and is related to the materials used in its construction. The internal composition of each MOV varies depending on its application, with higher-rated devices often incorporating multiple layers of dielectric material.

Another advantage of B72520T0080L062 is its immunity to electrical noise. This makes it the ideal choice for protecting sensitive circuitry from EMI (electromagnetic interference). Its rugged construction ensures reliable operation even under harsh conditions. The device is also relatively compact and easy to use, making it an ideal choice for many industrial applications.

Overall, B72520T0080L062 is an excellent choice for protecting applications from transient voltages and surges. Its wide current handling capability and excellent noise immunity makes it ideal for harsh environments, while its small size and ease of use makes it suitable for many different applications. The device is an invaluable tool in helping to ensure the reliable performance and longevity of electronic circuits and systems.

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