SA90AHB0G Circuit Protection

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A TVS diode, or Transient Voltage Suppressor, is a device designed to protect sensitive electronics against voltage transients. The SA90AHB0G is a TVS diode of the Avalanche Breakdown family. It clamps voltage transients to provide a reliable level of protection to circuits against electrostatic discharges, as well as power line and contact transients.

The SA90AHB0G is available as a surface mount, single line device designed for general purpose overvoltage protection. It offers a wide range of protection with ultra low operating and leakage currents values. It is a bidirectional device operating under an avalanche breakdown principle and is available with breakdown voltages from 5V to 106V.

The SA90AHB0G has a number of potential uses, ranging from consumer electronics to industrial applications. It is widely used in applications such as portable electronics, telecommunications, power supplies, USB protection and automotive electronics. It is also suitable for a range of automotive applications, including anti-lock brake systems, seat belt and air bag sensing, as well as engine control systems.

The SA90AHB0G is designed to protect both the user and the equipment by suppressing voltage transients. It operates under an avalanche breakdown principle, whereby the breakdown occurs when the applied voltage reaches a certain level. This causes a rapid increase in current flow, resulting in a short duration ‘voltage spike’ that is clamped at a maximum level known as the breakdown voltage. The clamping voltage is designed to prevent the surge current from damaging vulnerable components.

The design of the SA90AHB0G allows for a low clamping voltage, providing better protection than traditional avalanche breakdown diodes, while also reducing power consumption. It also has a low operating voltage that helps reduce system costs. Additionally, it features ultra low capacitance for high-speed switching applications and has a high surge capability for greater protection against electrostatic discharges.

The SA90AHB0G is designed to provide reliable protection from electrostatic discharges, power line and contact transients. It provides lower clamping voltage and a higher ESD protection level than traditional avalanche breakdown diodes. It is an excellent choice for both consumer electronics and industrial applications.

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