DF5A3.3F(TE85L,F) Circuit Protection

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TVS (transient voltage suppressor) diodes, also known as spike suppressors, are a type of semiconductor diode specifically designed to protect sensitive electronic circuitry from potential damage due to high or excess voltage, which could be caused by lightning, electrostatic discharge, or intentional acts of vandalism or sabotage. DF5A3.3F(TE85L,F) is a type of TVS diode that provides reliable protection from electrostatic discharge (ESD) and its associated high-frequency signals. It is designed to provide superior protection against a wide range of transient overvoltage events, and its multiple levels of protection make it ideal for a number of different applications.

The DF5A3.3F(TE85L,F)TVS diode has a two-stage, symmetrical, avalanche breakdown structure. It\'s breakdown voltage is set to 5.3 V due to the Vz breakdown characteristic of the TI 85L series. When the input voltage reaches the peak breakdown voltage of the diode, the diode starts to become conductive. As the voltage rises, the current increases and it will reach the holding current level at which point the diode will remain conductive and can provide protection from abnormal voltage. This process is known as clamping mechanism.

The DF5A3.3F(TE85L,F)TVS diode has a quick response time and is capable of clamping high surge currents of up to 35A. It can also dissipate up to 400W of power. Moreover, it has a very low capacitance of 0.2pF at 1kHz, which ensures a low electromagnetic interference (EMI) level. The diode is also highly thermally stable, with an operating temperature range of -55C to +150C, and its peak power rating does not drop significantly over this range.

Due to its superior performance, the DF5A3.3F(TE85L,F)TVS diode is suitable for a large number of applications. It is used in a variety of automotive systems such as power steering, antilock brakes, airbags, and other safety and control systems. It is also used in industrial applications, such as variable speed drives, servos, I/O systems, and UPS systems. It can also be used in computers and other electronic devices for protection against ESD, surge transients, and high frequency pulses.

In conclusion, the DF5A3.3F(TE85L,F)TVS diode is a highly reliable and efficient device that provides superior protection against transient overvoltage events. It is designed to withstand high ESD and surge currents, and its low capacitance ensures a low EMI level. It is suitable for a large number of applications, including automotive and industrial systems, computers, and other electronic devices.

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