15KPA220C

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TVS - Diodes

Transient Voltage Suppressor (TVS) diodes are specialized diodes with a unique ability to respond to high-voltage transients. They have revolutionized power supplies due to their simplicity, low cost and ability to rapidly clamp voltage spikes, protecting components from the risks that these transients can pose. In this article, we will look at the application field and working principle of the 15KPA220C TVS diode.

Application Field

The 15KPA220C is a transient voltage suppression diode with a peak pulse current of 800 amperes. It is commonly used in applications such as personal computers and other consumer electronics, automotive, telecom and industrial applications. It is designed to withstand a wide range of operating temperatures from -55 to +175°C, making it an ideal choice for use in extreme temperatures.

As a transient voltage suppression diode, the 15KPA220C is designed to clamp power supply rail transients and protect sensitive components which would otherwise be damaged by high-voltage spikes. It can be used to protect circuits from damage due to electrostatic discharge (ESD), lightning, and other transients. It is also ideal for use in transient sensitive power supplies such as solar or wind power.

Working Principle

A TVS diode operates in two distinct modes: unidirectional and bi-directional. Unidirectional mode is used to protect against voltage transients on single-ended power lines, such as those found in personal computers. Bi-directional mode is used to protect against voltage transients on both the positive and negative power lines, such as those found in industrial and automotive applications. The 15KPA220C is a bi-directional TVS diode.

When a transient spike is encountered, the diode will quickly conduct the current, diverting it away from the sensitive components. The diode is designed to withstand a high peak power, meaning it can absorb and dissipate large amounts of energy without suffering any permanent damage. The diode also has a low clamping voltage, meaning it will protect against low voltage transients without increasing the noise level.

As the transient passes, the TVS diode quickly recovers and falls back into its non-conducting, or "quiescent" state. This quiescent state ensures that the diode does not interfere with the normal operation of the circuit. The 15KPA220C has an exceptionally fast recovery time, making it ideal for use in transient sensitive power supplies.

Conclusion

The 15KPA220C is a versatile bi-directional TVS diode designed for use in a variety of applications. It is capable of withstanding high peak power and a wide range of operating temperatures, and has an exceptionally fast recovery time. As such, it is ideal for protecting circuits from ESD, lightning strikes and other high-voltage transients. This makes it an invaluable tool in today\'s challenging power supply environments.

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