SMP28A-M3/84A Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are components that help protect electronic systems from high-voltage surges. The SMP28A-M3/84A is a component specifically designed for automotive electronics and designed to provide improved protection for automobiles against damage from lightning strikes, power surges, and other transient overvoltage situations. This article will discuss the application field and working principle of the SMP28A-M3/84A TVS diode.

The SMP28A-M3/84A TVS diode is designed for use in automotive electronics applications where overvoltage protection is required. It is featured with a peak pulse power of 1500W at 10/1000 μs waveform, which enables it to protect electronic equipment from high-voltage surges. It also has an operating voltage range of 18 to 35Volts and a breakdown voltage of 33 Volts. This component is also lead-free halogen-free, making it ideal for use in environmental requirements where flame retardants and halogen-free materials are required.

The working principle of the SMP28A-M3/84A TVS diode is based on the Zener breakdown voltage principle. When the voltage across the diode reaches the breakdown voltage, the diode will start to conduct and limit the voltage. This component is designed to have a low resistance, ensuring that the voltage is limited quickly and effectively. It also features a reverse recovery time of less than 5ns to limit damage from the transient overvoltage situations.

In addition to protecting against overvoltage from power surges and lightning strikes, the SMP28A-M3/84A TVS diode also helps protect against other forms of electric overstress. It helps reduce ESD (electrostatic discharge) damage, conducted electrical noise, and power supply transients. This makes it suitable for use in noisy environments where there is a high level of RF energy or rapid changes in power supply levels.

Overall, the SMP28A-M3/84A TVS diode is a highly effective and reliable component designed to protect automotive electronics from transient overvoltage situations. With its Zener breakdown voltage principle, low resistance, long service life, and environmental benefits, it is an ideal choice for use in automotive electronics applications where overvoltage protection is required.

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