DF5A5.6LFU(TE85L,F Circuit Protection

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The DF5A5.6LFU (TE85L,F) is a transient voltage suppression diode that provides protection from short term, high voltage, electrical transients. This device is used in a variety of applications to protect against overvoltage and to maintain proper voltage levels in electrical circuits. The DF5A5.6LFU (TE85L,F) is most commonly used in the automotive industry as an automotive load dump protection which is a type of transient protection device.

The DF5A5.6LFU (TE85L,F) consists of a one PN junction making it a low capacitance diode. It also has two active elements; a Zener diode and an avalanche diode. This enables it to provide superior protection and longer lasting operation. The Zener diode has a breakdown voltage of 5.6 volts whereas the avalanche diode has a breakdown voltage of 28 volts. The device is capable of absorbing up to 400 watts of peak power.

The devices primary purpose is to provide protection from opens, shorts and other anomalous events in automotive systems. It is often found in oil pressure switches, voltage regulators and other automotive control systems. The DF5A5.6LFU (TE85L,F) is used to regulate the voltage of the engine\'s generator and battery. It is also used in a variety of other industrial and consumer electronics applications such as LED lighting and door power supplies.

The DF5A5.6LFU (TE85L,F) works through the process of breakdown of the PN junction when the applied voltage is higher than the breakdown voltage. This increases the leakage current which starts to pull down the voltage on the other side of the PN junction and eventually to level off the voltage. The device is also very resistant to electrostatic discharge. It has an ESD protection of +/- 8kV.

The DF5A5.6LFU (TE85L,F) is a very popular TVS diode due to its small size, high power handling capability, low capacitance and low cost. With its features it is a reliable and versatile solution for protecting electrical systems from short term, high voltage transients.

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