5KP58A-E3/51 Circuit Protection

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TVS (transient voltage suppressor) diodes are extremely useful for protecting sensitive circuitry from a variety of sudden environmental conditions. These protective devices can be found in a variety of applications, from automotive and industrial to household and consumer electronics. The 5KP58A-E3/51 is a prime example of the capabilities of TVS diodes and the spectrum of their applications.

Application Fields of 5KP58A-E3/51

One of the key features of the 5KP58A-E3/51 is its ability to protect against a broad range of surge conditions. Its dynamic working voltage range is 6.5V - 350V, with an uni-directional construction that is designed to trigger quickly and reverse-breakdown when an overvoltage occurs. This makes the 5KP58A-E3/51 highly suitable for a wide range of applications, from mobile and home appliances to computer and industrial equipment protection.

In addition, the 5KP58A-E3/51 is designed to dissipate very low (negligible) power under normal operating conditions, making it perfect for battery-operated and energy-sensitive applications where power savings are a priority. It also features a relatively small size for its power rating – typically between 5mm x 11mm – which can be useful in many current-limited designs.

Working Principle of 5KP58A-E3/51

The 5KP58A-E3/51 is an uni-directional TVS diode, which means it is designed to protect an associated circuit against overvoltage and/or overcurrent conditions flowing in one direction only. It utilizes a unique diode construction to protect sensitive components from high voltage transients resulting from lightening, electrostatic discharges, or electrical noise on power and signal lines.

The fused structure of the 5KP58A-E3/51 is designed to improve its protection ability against short surge events, absorbing and dissipating very high peak currents without damaging the protective device or the equipment it is protecting. This is because the 5KP58A-E3/51 diode has a slow breakdown and reverse-breakdown characteristics, enabling protection against short-duration surges.

Finally, the 5KP58A-E3/51 utilizes an advanced guard-ring structure which is designed to collect parasitic capacitive current and to shape the internal electric fields. This reduces the maximum field strengths in the active junction area, improving ESD protection and increasing surge-handling capabilities. This makes the 5KP58A-E3/51 an extremely effective protective device for electrical circuits.

Conclusion

In conclusion, the 5KP58A-E3/51 is a highly effective TVS diode that can be used to protect a broad range of applications from sudden environmental conditions. Its dynamic working voltage range is 6.5V - 350V, uni-directional construction ensures fast triggering and reverse-breakdown for overvoltage protection, while its advanced guard-ring structure improves ESD protection and increases surge-handling capabilities. All these features make the 5KP58A-E3/51 an ideal solution for protecting sensitive circuits from high voltage transients.

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