ESD8351HT1G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	11.2V
Supplier Device Package:	SOD-323
Package / Case:	SC-76, SOD-323
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C (TJ)
Capacitance @ Frequency:	0.37pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Series:	--
Voltage - Breakdown (Min):	5.5V
Voltage - Reverse Standoff (Typ):	3.3V (Max)
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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ESD8351HT1G Application Field and Working PrincipleThe ESD8351HT1G is a specialized type of transistor-like component known as a transient voltage suppressor diode (TVS-Diode). A TVS-Diode is a type of semiconductor component that is specifically designed to protect electronics from the sudden increase in voltage or current known as an Electrostatic Discharge (ESD). This component is used in a wide range of applications requiring reliable protection from ESD, including consumer electronics, automotive systems, and electronic equipment used in industrial, medical, and military applications.The ESD8351HT1G is composed of two parts, the protection diode and the ESD protection circuit. The protection diode is made up of two pn-junctions in series, with one diode being more heavily “doped” with impurities (known as an “unidirectional diode”). This allows for a “one-way” flow of current, such that the device only allows the current to move in one direction. The ESD protection circuit functions as a voltage clamp, and helps to reduce the magnitude of any ESD events that enter the protected circuit.When an ESD event occurs, the ESD8351HT1G senses the event and immediately begins to conduct current in the opposite direction. This is because the protection diode is always trying to block current from moving in the original direction. As current flows through the ESD circuit, the voltage is clamped to the breakdown voltage of the protection diode. This has the effect of suppressing the ESD event, as the ESD current is no longer able to flow through the circuit.In addition to protecting circuits from ESD events, the ESD8351HT1G also helps to protect against a number of other electrical problems, including voltage overshoots, sustained voltage surges, and lightning-level current overloads. This device can be used in a wide range of applications, including consumer electronics, automotive systems, and equipment used in various industrial, medical, and military applications.The ESD8351HT1G is available in a variety of package sizes and can operate at a maximum voltage of 12.5 volts. It is also able to work with voltages up to 3.8kV on the human body model. The average power dissipation of the device is 0.75W, and it has a maximum peak pulse power rating of up to 40kW.Overall, the ESD8351HT1G is a reliable and robust transient voltage suppressing diode that is designed to provide reliable protection from ESD, voltage overshoots, sustained voltage surges, and lightning-level current overloads. It is available in a range of package sizes and is capable of operating at 12.5 volts with a maximum peak pulse power rating of up to 40kW. This makes it an excellent choice for a variety of different applications requiring reliable protection from ESD events.

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