SMC5K60A-M3/H Circuit Protection

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TVS (transient voltage suppressor) diodes are widely used components, primarily utilized to protect other components, such as semiconductors, from abrupt transients and surges in input voltage. SMC5K60A-M3/H is a robust protection diode with a 6000 W peak pulse power, a 400 Watts average power, and two terminals, which allows its use for various applications. This document will describe the application fields and working principles of SMC5K60A-M3/H.

Applications

The combination of high peak power, low leakage current, and low capacitance of SMC5K60A-M3/H makes it an ideal choice for a wide range of application fields. The most common ones are overvoltage protection in automation systems, TV sets, and consumer electronics; surge protection in power distribution systems, surveillance systems, and UPS systems; and ESD protection in aircraft and vehicles.

Working Principles

SMC5K60A-M3/H works on the basis of avalanche breakdown. When the voltage exceeds the threshold of breakdown voltage for the junction, the current flows in reverse direction and the diode quickly switches from off-state to on-state. Once the voltage is below the threshold, the current automatically decreases, and the diode switches back to its off-state. During this process, a large part of the energy is dissipated as heat.

In order to ensure its safe operation, SMC5K60A-M3/H is designed with a built-in thermal protection system, which senses overheating and automatically reduces the current drawn by the device. This ensures that the device operates within a safe and reliable temperature range.

The surge protection capabilities of SMC5K60A-M3/H are enabled by its combination of reverse breakdown voltage, high peak pulse power, low leakage current, and low capacitance. These features ensure that the device is able to absorb large transients and surges in input voltage, without causing any damage to the connected components.

Conclusion

The SMC5K60A-M3/H is an efficient and reliable component that is widely used for overvoltage and surge protection in a variety of applications, ranging from consumer electronics to power distributions systems. Its combination of high peak pulse power, low leakage current, and low capacitance makes it suited for absorbing large transients and surges in input voltage. Its built-in thermal protection system ensures safe and reliable operation.

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