SA14CA-E3/54 Circuit Protection

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TVS (transient voltage suppression) diodes are semiconductor devices designed to protect electronic circuits from damage due to voltage transients caused by electrostatic discharge (ESD) or electrical fast transients (EFT). The SA14CA-E3/54 is a 12 kV-rated bidirectional transil diode with a peak pulse power rating of 625 W at 1.2/50 μs waveform. This device is ideal for providing protection against voltage transients in a variety of application fields such as automotive, industrial, and consumer electronics.

Application fields

One key application field for the SA14CA-E3/54 is in automotive applications. It is especially useful in providing protection from voltage transients in the engine control unit (ECU) and in the electronic control modules that manage sensors and actuators in various vehicle systems. It is also suitable for protecting electronic circuits in safety-relevant automotive applications such as in airbag control modules, where a high level of reliability is required.

The SA14CA-E3/54 is also used in industrial and consumer electronics. In industrial applications, it can be used to protect power semiconductors and other electronics in manufacturing processes where high voltages may cause damage. In consumer electronics, the device can be used to protect lifestyle products such as mobile phones, PCs, and tablets from voltage transients.

Working Principle

The SA14CA-E3/54 is a bidirectional transil diode that has an integrated varistor, a high-voltage protective element designed to provide protection against transient voltage surges. The device is usually placed in series with the circuit to be protected. When a transient event occurs, the SA14CA-E3/54 quickly conducts the surge current and diverts it away from the protected circuit, thus preventing the transient voltage from damaging the circuit.

The device has a peak pulse power rating of 625 W at 1.2/50 μs waveform, which is higher than most similar transil diodes on the market. This rating indicates that the SA14CA-E3/54 is capable of withstanding higher peak surge voltages than other diodes, ensuring better protection for the protected circuit.

The SA14CA-E3/54 is designed for bidirectional operation, meaning that it can handle both positive and negative transient surges. The device can also handle high surge currents, up to 8 A, ensuring that it can protect a variety of circuits from both small and large voltage transients.

Conclusion

The SA14CA-E3/54 is a high-performance transient voltage suppressor diode designed to provide protection against voltage transients in a variety of application fields, including automotive, industrial, and consumer electronics. The device has a 12 kV voltage rating and a 625 W peak pulse power rating, making it one of the most reliable transil diodes available. It is designed for bidirectional operation, so it can handle both positive and negative transient surges, and can also handle high surge currents of up to 8 A. Overall, the SA14CA-E3/54 is a great choice for those looking for a reliable and high-performance diode to provide protection against voltage transients.

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