DF2S12FS,L3M

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TVS (Transient Voltage Suppressor) Diodes are a class of semiconductor that consists of two diodes in series where one is reverse-biased and the other is forward-biased. The combination of these two diodes acts as a voltage clamp or regulator that helps protect sensitive electronics from extreme voltage spikes, lightning strikes, electrostatic discharge, and other transients. This protection is especially important if the device in question is meant to be operated in a high voltage environment for a significant period of time.

DF2S12FS L3M is a specific type of TVS Diode designed to protect sensitive circuits and components from over-voltage events. It is a surface-mount device with a maximum operating voltage of 12 volts, a breakdown voltage of 35 volts, and a peak pulse power rating of 500W. The device has a reverse-biased diode at the anode and a forward-biased diode at the cathode. When an over-voltage event occurs, the diode at the anode is triggered and the current is limited to the peak pulse power rating of the device. This helps protect the device and downstream components from potential damage due to high voltage transients.

The application field of the DF2S12FS L3M TVS Diode includes power supply circuits, industrial systems, and consumer electronics. The main purpose of using this device is to provide protection from over-voltage transients. It is also well-suited for use in automotive systems, as the clamping voltage and peak pulse power rating can handle the voltage spikes and current surges that can occur in extreme conditions. Additionally, the device has a low-profile, surface-mount design and is capable of withstanding temperatures of up to 175°C.

The working principle of the DF2S12FS L3M TVS Diode is based on the reverse breakdown voltage of the two diodes. When a voltage spike occurs, the anode diode is triggered and begins to dissipate the excess current, preventing it from flowing through to the device. The diode at the cathode allows the device to operate normally in power-supply mode. The breakdown voltage and peak pulse power rating of the device are chosen such that the peak transient voltage level is contained within safe levels, preventing any damage from occurring to sensitive circuits and components.

In conclusion, the DF2S12FS L3M TVS Diode is a highly reliable device used to protect sensitive circuits and components from over-voltage events. It has a low-profile, surface-mount design and excellent temperature performance, making it well-suited for use in extreme environments. The devices two diodes, one reverse-biased and the other forward-biased, limit peak transient voltage levels in order to protect downstream electronics and components. This makes it an excellent solution for power supply protection, as well as automotive applications.

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