20KPA96A-B Circuit Protection

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TVS - Diodes

Transient Voltage Suppressors, or TVS diodes, are silicon surge suppression components designed to protect sensitive electronic equipment from excessive voltage, current and energy surges. The 20KPA96A-B TVS diode provides reliable overvoltage protection in a compact, low-inductance and thermally efficient package. This device is well-suited for use in automotive, consumer electronics, industrial, audio and medical applications.

The 20KPA96A-B is part of the ESD 20KPA series from Nexperia, providing overvoltage protection from transients up to 20 kW peak pulse power (10/1000 μs). This TVS diode is designed to reduce the effects of voltage transients to kept levels which are below the breakdown voltage of the protected IC. It features an in-line design, with its cathode connected to the drain, and anode to the source, which enables simple and low-cost PC board routing.

Working Principle

TVS diodes are voltage-activated unidirectional semiconductor components that are optimized to provide continual protection against high-energy voltage transients, also known as electrostatic discharge (ESD). When a transient voltage enters the 20KPA96A-B, the TVS diode is triggered into conduction to reduce the level of voltage being supplied to the protected components. The 20KPA96A-B also features an integrated clamping element, providing fast response times and excellent protection from fast transients. This clamping element is designed to ensure that ESD-generated voltage ratings are safely and quickly absorbed and then clamped down to a safe level.

The 20KPA96A-B is a bidirectional TVS diode, meaning it is designed to divert destructive transients in both directions. This product is constructed of two integrated zener diodes connected in series and reversed terminals so that the series combination conducts for positive or negative transient voltages. This bidirectional functionality makes the 20KPA96A-B an ideal choice to prevent unexpected voltage transients from interfering with sensitive circuits.

Application Field

The 20KPA96A-B is well-suited for a variety of applications, including automotive, consumer electronics, industrial, audio and medical devices. In particular, it is an ideal choice for automotive applications, such as vehicle PCUs, ECUs, CANs and engine control units, where ESD protection is critical. This device can also be used to prevent interference from transients in consumer electronics circuits, including wireless transmitters, receivers, laptops, tablets and cellular phones.

The 20KPA96A-B is also suitable for use in industrial applications, particularly in AC/DC power supplies, voltage converters, HVAC systems, monitors, relays, sensors and all types of switching circuits. In addition, this product can provide excellent protection for audio and medical device circuits, such as audio amplifiers, hearing aids, ECG monitoring systems, ICDs, and pacemakers, from voltage transients.

Conclusion

The 20KPA96A-B TVS diode provides reliable ESD protection and excellent electrical performance in a range of electronic applications. This product is designed to absorb and clamp high-power transients quickly and efficiently, without introducing any additional losses. With its compact size, low-inductance, and bidirectional capabilities, the Nexperia 20KPA series of TVS diodes is an ideal choice for low-power consumer electronics, automotive, industrial, audio and medical circuitry.

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