DF2B7AE,H3F Circuit Protection

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TVS - Diodes

TVS-Diodes, also known as Transient Voltage Suppression Diodes or TransZorbs, are electronic components that are designed to shunt or absorb transient voltages that exceed a certain voltage level. This type of protection is necessary for protecting sensitive components such as circuit boards, microprocessors, and other sensitive electronics from being permanently damaged by transient voltages caused by electrical spikes. Unlike other types of protection such as TVS Diodes, TransZorbs do not dissipate any energy themselves and rely on the surge currents to trigger their response, thus providing superior protection for sensitive electronics.

A typical TVS-Diodes consists of two metal plates connected to each other through a semiconductor. The plates are connected in reverse electrical polarity and are typically made of tin-plated aluminum or copper. When a voltage spike occurs, the corresponding electrical current passes through the semiconductor and induces a voltage drop across the plates. This voltage drop is then dissipated into the surrounding environment, thus providing additional voltage protection.

The DF2B7AE and H3F application fields for TVS-Diodes are broad, and can be used in many different applications. The DF2B7AE has been designed with automotive and space application fields in mind, while the H3F has been designed for industrial and medical applications. TVS-Diodes can also be used in consumer electronics, high speed serial communication, and military applications.

The working principle of a TVS-Diodes can be explained by analyzing how it responds to a voltage transient. When a voltage spike occurs, the current spikes above the steady state limit of the TVS diode, triggering it to allow some current to pass. This current is then diverted to other directions, causing the voltage to decrease to the breakdown voltage of the device. As a result, the voltage returns to the original steady state level. This process happens very fast and protects the circuit from being damaged.

In conclusion, TVS-Diodes provide superior protection for sensitive components from transient voltage signals and have wide application areas. They are typically designed with metal plates connected in reverse polarity to each other with a semiconductor, and respond quickly to voltage transients by allowing some current to pass and create a voltage drop. Furthermore, they have a very fast response time and can be used in many different fields, such as automotive, medical, and military.

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