DF3A5.6FU(TE85L,F)

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Transient Voltage Suppression (TVS) Diodes are a key protection component featured in power circuits, designed to protect circuits against the damaging effects of flow and electrical overstress. The DF3A5.6FU(TE85L,F) is an example of a TVS Diode:

The DF3A5.6FU(TE85L,F) Diode is designed to protect a device from transient over-voltage forms of Electrical Fast Transients (EFTs) and Electrostatic Discharge (ESD). The maximum allowable theoretical voltage for this device is 5.6 volts. The DF3A5.6FU(TE85L,F) Diode is fairly small, and measures just 15.24×3.5×4.7mm in size. It is made of a zinc oxide ceramic chip, with a copper lead. The total power dissipation of the device is 500mW.

In terms of application field, the DF3A5.6FU(TE85L,F) Diode finds uses in various types of circuits, both simple and complex, including mobile phones, communication systems, and automotive electronics. It operates in temperatures from -40°C to 85°C and carries an ESR value of 20-25Ω (dependant on temperature and voltage). It is also designed to have a fast response time of less than 5ns from its operating voltage up to its peak voltage.

The working principle of a TVS Diode such as the DF3A5.6FU(TE85L,F) is a two-level approach. First, when a transient voltage is detected, it operates like a conventional diode, and rapidly conducts the current away from the protected component. Second, in conjunction with this, it also acts as a clamp to absorb the abnormal voltage above the zener voltage of the diode. The clamping voltage is adjustable depending on zener voltage.

The DF3A5.6FU(TE85L,F) Diode can also provide protection against very high-powered transient overvoltage above 8kV, offering superior protection and reliability. The device also integrates a thermo-electric cooling system (TEC) which takes care of the additional heat generated from the excess current during a transient condition.

In conclusion, the DF3A5.6FU(TE85L,F) Diode is an important component when it comes to protecting a circuit against EFTs and ESD. With its adjustable clamping voltage and TEC system, it can provide superior protection and reliability for a variety of circuit designs. It finds application in a number of fields, such as mobile phones, communication systems, and automotive electronics, and operates over a wide temperature range from -40°C to 85°C.

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