DF5A5.6FUTE85LF Circuit Protection

Voltage - Clamping (Max) @ Ipp:	--
Supplier Device Package:	USV
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	--
Capacitance @ Frequency:	65pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	--
Series:	--
Voltage - Breakdown (Min):	5.3V
Voltage - Reverse Standoff (Typ):	2.5V
Unidirectional Channels:	4
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Transient Voltage Suppressors - Diodes

Transient Voltage Suppressor Diodes (TVS) have become an essential part of most electronic circuits. TVS diodes are designed to provide protection against voltage transients caused by electrostatic discharge (ESD), electrical over-stress (EOS) and other similar surges of current.A TVS diode consists of a junction diode which is connected to a substrate or structural material. This substrate determines the diode’s electrical and mechanical characteristics, such as breakdown voltage, clamping voltage and surge current capacity. The TVS diode also includes a series of electrodes which allow for the connection of the diode and the circuit.The main application of TVS diodes is to protect sensitive electronic circuits from voltage transients. TVS diodes are able to absorb the surge energy and divert it to ground, reducing the amount of voltage seen by the circuit and preventing it from overloading. TVS diodes can also be used to reduce current inrush from capacitors in power supplies.TVS diodes come in a variety of different shapes and sizes depending on the desired application. Typical TVS diodes include surface mount devices (SMD), packaged diodes, disc diodes and axial diodes. The device size and the current and voltage capability will depend on the application.The main operating principle of a TVS diode is based on its ability to stop or “clamp” the transient voltage spike. When the surge voltage reaches the diode breakdown voltage, the diode will conduct, diverting the current to ground. This reduces the voltage at the protected circuit to a safe level.In addition to its voltage clamps, TVS diodes also possess the ability to absorb large amounts of energy. This surge current is dissipated as heat, which is why TVS diodes are usually mounted on heat sinks in order to dissipate this heat in an efficient manner. TVS diodes are very reliable and provide protection against multiple ESD, EOS and other similar surge events. The ability of the diode to absorb energy is determined by its surge current rating. Higher surge current ratings are usually associated with larger and heavier TVS diodes.When selecting a TVS diode, it is important to consider the surge voltage and surge current ratings to ensure the diode can provide adequate protection. In addition, it is important to choose a diode with a breakdown voltage rating which is higher than the largest voltage transient expected. This helps to ensure that the diode can absorb any surge energy before it reaches the protected circuit. TVS diodes are widely used in image sensors, automotive systems, LED lighting and chargers. They are also used in a variety of industrial, telecom and consumer applications. The ability to effectively respond to electrostatic discharge and other transient surges makes TVS diodes an essential part of most electronic circuits.

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