PESD12VS2UQ,115

Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Base Part Number:	PESD*S2U
Supplier Device Package:	SOT-663
Package / Case:	SOT-663
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TA)
Capacitance @ Frequency:	38pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	150W
Series:	--
Voltage - Clamping (Max) @ Ipp:	35V
Voltage - Breakdown (Min):	14.7V
Voltage - Reverse Standoff (Typ):	12V (Max)
Unidirectional Channels:	2
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes application field and working principle

TVS - Diodes, or Transient Voltage Suppression (TVS) diodes, are components designed to suppress high-voltage spikes or electrical transients. They are also referred to as clamp diodes, avalanche diodes, or surge suppressors. These components are used in many applications such as consumer electronics, automotive, computer and communication equipment, medical systems, and industrial and aerospace instrumentation.The most common type of TVS diode is an unidirectional diode. This diode operates with a reverse-voltage circuit when the voltage exceeds its specified value. The diode then conducts the current, allowing it to reach a close-to-zero voltage state. Under this condition, the diode is in its "on" state, or a low-impedance mode, allowing it to conduct more current and suppress the surge voltage. The diode then quickly returns to its "off" state, or a high-impedance mode, when the voltage drops to a low value. This type of diode provides excellent protection against high-voltage spikes occurring in automotive, networking, and consumer electronics applications.Another type of diode used for voltage suppression is an unidirectional bonding diode. It is used for protecting circuits from transient high-voltage spikes. This type of diode is designed to offer high-performance protection from high-power transients. It is usually mounted between a component\'s input and output terminals, which help in both mechanically and electrically bonding the terminals together. It works in a similar manner to a unidirectional diode, but it is designed with a greater current handling capacity and a minimal voltage drop.Bidirectional (Bi-directional) TVS diodes are also available and have two components in a package. This type of diode is well-suited for high-speed applications that require over-voltage and over-current protection. These diodes can handle current spikes that occur from both polarities. A single element, the “cathode to cathode” diode, operates in both directions with the same protection characteristics.These types of components are employed by industry and educational consumers due to its properties. TVS - Diodes provide superior protection from high-speed transients, lower residual performance characteristics and less interference to signal integrity. Moreover, they are robust components designed to withstand high surge voltages, high temperatures, and have long life expectancy.As a result, these components are used in a variety of industries, such as automotive, medical, computer and communication equipment, military and aerospace, and industrial instrumentation. They are used where currents and voltages can easily exceed the voltages and currents of the sensitive components in the system. In addition, they are often integrated into power supplies to prevent power grid noise from damaging the components in the system.TVS-diodes are manufactured with a variety of technologies and materials, such as diode arrays, multichip modules (MCM) and surface mount technology (SMT). In addition to being manufactured with different technologies, different materials are also used such as silicon, schottky, and metal oxide varistors (MOVs). All these components present a wide range of capabilities that need to be considered when choosing one for a specific application.In summary, TVS - Diodes play an important role in providing a robust protection from over-voltage and over-current conditions. They come in different types and are manufactured with different technologies, materials, and construction. They are employed in a variety of industries and are widely used due to their advantages.

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