BZA420A,135

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TVS - Diodes

Transient Voltage Suppressor (TVS) diodes have become a popular component for many applications.they can offer protection from transients by acting as low-voltage diodes, providing an efficient surge current path and help to avoid costly repairs and downtime from excessive voltage. The BZA420A,135 is a variably configured TVS diode specifically designed to protect electronic components from voltage transients. It is a four-channel diode capable of providing up to 135 volts of protection.

Applications

The BZA420A,135 is ideal for protecting sensitive components from high voltage transients caused by power surges or electrostatic discharges (ESD). It can be used to protect power supplies, logic gates, relays and other electronic circuits, and can also be used as an overvoltage protection device. The diode\'s high-surge-capacity capability makes it suitable for all types of sensing, switching, and power supply functions. Its wide operating temperature range (-40 to 85°C) and high maximum power dissipation make it ideal for use in harsh environmental conditions.

Working Principle

The BZA420A,135 diode works on the principle of dynamic breakdown. It is a bi-directional device, meaning that it allows both positive and negative voltages to pass through it. When the voltage across the diode is lower than the diode\'s rated breakdown voltage, current flows through it in both directions. However, when the voltage across the diode exceeds the diode\'s breakdown voltage, it rapidly changes from a low-impedance path to a high-impedance path, effectively blocking the flow of current. The diode is also designed to shunt current in either direction in order to provide protection from both overvoltage and under-voltage transients.

Advantages

The BZA420A,135 diode is a very effective overvoltage protection device, offering high surge current-handling capability, very low operating voltage, and wide operating temperature range. The diode can also be used in multiple configurations to provide protection in both positive and negative voltage environments. In addition, its low power dissipation makes it highly energy efficient, and its excellent thermal stability ensures long-term reliability and performance.

Conclusion

The BZA420A,135 diode is an excellent choice for providing protection against overvoltage and undervoltage transients in a wide variety of applications. Its low-voltage operation, wide operating temperature range, excellent thermal stability, and high surge current-handling capability make it an ideal choice for protecting sensitive components from transients.

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