SMBJ33A-TP Circuit Protection

TVS - Diodes

The SMBJ33A-TP unidirectional transient voltage suppressor diode is designed to protect sensitive components from excessive voltage transients such as electrostatic discharge (ESD) and lightning strikes. It is commonly used in many applications such as cellular phones, computers, industrial equipment, consumer electronics, and automotive systems.

Applications of the SMBJ33A-TP

The SMBJ33A-TP is a robust unidirectional transient voltage suppressor diode, and is designed to protect sensitive components from voltage transients. It is ideal for applications such as voltage clamping protection against ESD and other transient events. For example, the SMBJ33A-TP can protect sensitive equipment from electrostatic discharges up to 30 kV of contact and air discharge. It can also be used for secondary surge protection in lightning protection networks, and provides overvoltage protection circuitry in automotive systems.

Working Principle of the SMBJ33A-TP

The working principle of the SMBJ33A-TP is based on the 3rd generation transient voltage suppression (TVS) technology. It is designed to limit voltage transients and switch from its linear to a non-linear state to protect the device from excessive voltage, current, and temperature levels. The diode operates on the principle of avalanche breakdown when it is exposed to an excessive voltage, and this helps to reduce the amount of voltage reaching the device under protection. The diode also has an internal thermal limiting and energy dissipation capability which helps it protect itself against excessive temperatures and current levels.

The SMBJ33A-TP diode is designed with a very fast response time which allows it to protect against high voltage transients instantly. Its operating voltage range is typically from 5 volts to 330 volts. It has a low leakage current of less than 5 μA, and can also handle up to 24 amps of surge current.

Conclusion

The SMBJ33A-TP unidirectional transient voltage suppressor diode is designed to protect sensitive components from excessive voltage transients such as electrostatic discharge (ESD) and lightning strikes. It is a robust diode, with a fast response time and low leakage current. It is suitable for voltage clamping protection against ESD, lightning protection networks, and overvoltage protection circuitry in automotive systems. The diode is also designed with a very fast response time which allows it to protect against high voltage transients in an instant.