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TVS - Diodes

TVS (Transient Voltage Suppressors) diodes are semiconductor devices specifically designed for protection against fast high energy transients such as those caused by ESD (electro-static discharge), lightning and other inductive transients. They are often known as surge protection devices (SPDs).

SA51AHA0G is a type of TVS diode designed for clamping (suppressing) the transients that occur in high-powered bus applications such as inverter and motor control circuits. It is designed to detect and absorb over voltage surge transients in the range of 45V-75V peak, ensuring a fast, safe and reliable protection for relay coils, IGBTs, MOSFETs, microcontrollers, and other sensitive components from overvoltage transient surges.

SA51AHA0G Application Field and Working Principle

SA51AHA0G is a TVS diode specially designed for protecting sensitive components against overvoltage transient surges. It can be used in a variety of applications such as motor control and TRAC (transient last-man activation) circuits. It can also be used in relay coil, IGBT, and other overvoltage protection applications. The SA51AHA0G is also an RoHS (Restriction of Hazardous Substances) and REACh (Registration, Evaluation, Authorization and restriction of Chemicals) compliant product.

The SA51AHA0G is designed to provide a fast clamping of voltage transients and spikes on the power supply bus. It has an impulse rating rating of 400W, enabling it to withstand relatively high voltage transient energy on the connected device. Furthermore, it has a clamping voltage of 45V-75V peak, ensuring the protection of sensitive components from overvoltage surges or transients. The SA51AHA0G also features an insulated lead frame and an insulated top mount design, providing excellent ESD protection. The improved thermal handling capabilities further protect the component from transient shocks.

The SA51AHA0G is also designed to provide fast and reliable protection for a variety of devices. It is able to detect the transient pulses from either the supply side or the input side of the circuit, and can quickly clamp the voltage when the predetermined threshold value is exceeded. This ensures that the voltage never reaches a level that is too high for the device to handle. Furthermore, the SA51AHA0G is designed to suppress transients without increasing the inrush current.

The SA51AHA0G also features a low clamping voltage of 6V, making it suitable for use in a variety of low voltage applications. The voltage is maintained at a safe level and the reliability of the device is not affected by the transient shocks. The device also features improved thermal handling capabilities, providing excellent protection for the device.

To sum it up, the SA51AHA0G is a high quality TVS diode designed for protection against overvoltage transient surges. It is designed to detect transients from either the supply or input side and quickly clamp the voltage back to a safe level. Furthermore, it offers excellent ESD protection and improved thermal handling capabilities. The device is RoHS and REACh compliant, making it suitable for use in a variety of applications.

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