P3403ACMC Circuit Protection

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TVS stands for Transient Voltage Suppressors and is a widely used device in electronic circuits for protection against voltage spikes or power transients. The P3403ACMC is part of this family and is a thyristor based TVS, designed to protect a circuit against high voltage transients, particularly those that occur in automotive applications.

The P3403ACMC is an unidirectional thyristor based TVS with a reverse stand-off voltage of the device at 33V. It has a maximum peak pulse power rating of 5.90kW (10/1000 µs pulse) and operates between a temperature range of -40°C to +175°C. It also has an SMA package for surface mounting and is RoHS compliant.

The thyristor based TVS acts as a short-circuited current limiter, which allows current to pass only when the voltage across the device is below the threshold. If the voltage rises beyond the limit, the device becomes latched, which causes the current to stop flowing and prevents damage to the components of the system. The P3403ACMC also protects against high-frequency transients such as electrostatic discharges, lightning surges etc., which are common in automotive applications.

The device has a low capacitance of 0.4 pF and a very low leakage current, making it suitable for high-speed electronics applications. It also has excellent noise immunity, which helps in reducing the number of false alarms due to extraneous noise.

The P3403ACMC is widely used in automotive applications as a protection device and is resistant to shocks and vibrations up to 50G. It is also used in computers, telecom, medical and consumer electronics. The device can be easily installed in circuit boards and is also suitable for high humidity applications.

In conclusion, the P3403ACMC is an excellent thyristor based TVS which provides efficient protection against high voltage transients, particularly those that occur in automotive applications. It has an SMA package for surface mounting and also has a low capacitance and very low leakage current. The device can be used in a wide variety of applications and is resistant to shocks and vibrations.

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