DF2S8.2ASL,L3F Circuit Protection

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TVS diodes (Transient Voltage Suppressor) are an essential component to protect electronic circuits from over-voltage transients, mainly caused by lightning or from electrostatic discharge (ESD). TVS diodes are used to protect delicate integrated circuits from high and excessive electrical currents.

The DF2S8.2ASL,L3F is a TVS diode from Littelfuse, Inc which has a maximum peak pulse power dissipation (8.2kW at 10/1000µs) and peak reverse Voltage (200V). This diode is offered in a low-profile surface mount package, suitable for high-density PC boards. It also allows for very reliable operation, due to the high temperature stability of its electrical characteristics.

This diode is suitable for a wide variety of applications, from low-power digital interface to industrial control applications. It is well-suited for use in high-speed data lines, and power supply for motherboards.

The working principle of this diode is to limit the voltage rise on the power lines, by clamping surge voltages to a safe level. When a transient voltage occurs, the TVS increases its headroom from a predetermined value, allowing current to flow until the voltage is brought down to the safe limit. This regulates the power supply and protects the circuit from over-voltage.

In order to achieve maximum performance of the TVS diode, its power rating should match the requirements of the circuit it is protecting. If the power rating of the diode is too high, the contact area exposed to current will be very large. On the other hand, if the power rating of the diode is too low there is a higher risk of failure due to insufficient current handling.

The DF2S8.2ASL,L3F is an efficient and highly reliable TVS diode designed for applications that require reliable protection from transient over-voltage events. Its low profile surface mount package makes it suitable for high-density PC boards, while its high temperature stability ensures reliability. When correctly matched to the circuit, it provides excellent protection from over-voltage transients, making this diode a great option for various industrial applications.

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