15KPA17A

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TVS - Diodes are components primarily used to protect electronic circuits from over-voltage transients such as electrostatic discharge (ESD) and lightning, by clamping the voltage above or below a rated threshold. The 15KPA17A is a lower power TVS - Diode designed to protect sensitive electronics from damage and fire hazards caused by ESD, surges, and other over-voltage events. The 15KPA17A offers both unidirectional and bidirectional protection from over-voltage events.

Application Field

The 15KPA17A TVS - Diode is used in a wide range of applications from consumer electronics to data networks. It is especially useful for applications that require a low-capacitance protection circuit and are sensitive to high dV/dt, such as data lines. The device is suitable for protecting sensitive electronic components from ESD pulses up to ±30KV (HBM) and is UL certified up to ±30KV (HBM). It is also suitable for protecting against transient voltage events such as inrush current, inductive kick, and lightning strikes. The 15KPA17A has been designed to reduce the risk of an extended fault condition, as it can handle up to 60A (8/20μs pulse).

Working Principle

The 15KPA17A is a bi-directional, uni-polar transient voltage suppressor (TVS) constructed with P-N junction Diodes. It is designed to protect sensitive electronic circuits, such as data lines, from high-energy, transient events. During normal operation, the TVS remains in a low voltage state and does not conduct current. When the voltage across the device exceeds the rated breakover voltage, the P-N junction breaks down and conducts current. This protects the circuit by ensuring that the voltage does not exceed the rated maximum value. The device is also designed to dissipate the excess energy from the transient event, thus limiting the voltage across the device.

The 15KPA17A is also designed with an internal Zener diode. This Zener diode is designed to dissipate excess energy in the case of a sustained fault condition. In this case, the Zener diode will regulate the voltage to a safe value, thus protecting the connected circuit. Furthermore, the 15KPA17A has been designed with an internal short-circuit protection mechanism, which prevents a sustained short-circuit condition from damaging the device.

Conclusion

The 15KPA17A TVS - Diode is designed to protect sensitive electronic circuits from damage due to overvoltage events, such as ESD, surges, and lightning strikes. It offers both unidirectional and bidirectional protection from these transient events, as well as an internal Zener diode for sustained fault protection and a short-circuit protection mechanism. This device is UL certified up to ±30KV (HBM) and has been designed with a low-capacitance protection circuit, making it suitable for sensitive applications such as data lines. As such, the 15KPA17A is an ideal choice for protecting sensitive electronics from damage.

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