B72580E0250K062 Circuit Protection

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TVS Varistors, MOVs are essential protective components for many power related products. The B72580E0250K062 is a TVS device that includes two diodes and a varistor element and provides protection against electrostatic discharges. It is most commonly used in portable electronic devices, power supplies and IT related equipment.

Application Field

The B72580E0250K062 device is a valuable component for protecting devices from overvoltage transients. This type of device is most commonly used on printed circuit boards (PCBs), as it is easily mounted to them, while delivering performance stability and reliable surge protection. This device is especially suitable for electromagnetic compatibility (EMC) applications, such as USB, ATA and IEEE1394 interface connectors. It is also suited for applications with AC supplies, as it provides AC line protection, up to 250V.

Other applications for this device include notebook computers, LCDs, and other portable electronic devices.

Working Principle

The B72580E0250K062 device is composed of two diodes and a varistor element. The varistor element eliminates overvoltage transients and low frequency disturbances that can either damage the device or bandwidth of the signals. The varistor element works by diverting the energy into the ground. It also helps to reduce the ESD to a level that is harmless to the device.

The two diodes can either be configured in series or parallel. The series connection is used to reduce the ESD voltage to 2V, whereas the parallel connection is used to provide surge protection. The surge protection also helps to reduce the ESD voltage to 1.2V. The ESD clamping voltage (or breakdown voltage) is typically 2.0V or 1.2V with the two diodes.

The device is also temperature tolerant. Typically, the operating temperature range is −40°C to +125°C. Depending upon the application, the temperature range can be extended. This type of protection device exhibits excellent attenuation characteristics and a low leakage current.

Conclusion

The B72580E0250K062 device is a versatile TVS device and is widely used for surge protection and EMC applications. It is ideal for use in portable electronic devices, power supplies, and IT related equipment, as it is compact, highly reliable, and has a wide operating temperature range. The two diodes help to reduce the ESD voltage, while the varistor element ensures attenuation of both overvoltage transients and low frequency disturbances. The B72580E0250K062 is a valuable protective component that ensures devices and signals are safe from hazardous levels of electrical stress.

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