VE1812K801R020

Series:	Automotive, AEC-Q200, VE
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	20V
Maximum DC Volts:	26V
Varistor Voltage (Min):	29.7V
Varistor Voltage (Typ):	33V
Varistor Voltage (Max):	36.3V
Current - Surge:	800A
Energy:	3.0J
Number of Circuits:	1
Mounting Type:	Surface Mount
Package / Case:	1812 (4532 Metric)

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TVS – Varistors, MOVs

The VE1812K801R020 is a type of Transient Voltage Surge Suppressor, commonly referred to as a TVS. TVS devices come in many shapes and sizes, and their application fields vary accordingly. This article looks at the VE1812K801R020 and outlines its potential application field and working principle.The VE1812K801R020 is an unidirectional TVS diode designed to protect sensitive circuitry against electrostatic discharge (ESD) and surges caused by lightning strikes. The device is capable of handling up to 20A of transient current in the event of a surge, and is designed to clamp the maximum working voltage at 8.0V. This makes it an excellent choice for level shifting applications and provides an additional measure of protection to sensitive components.The TVS diode works by redirecting the excess current to ground in the event of a surge. It does this by acting as a fast shunt, allowing the current to be absorbed and dispersed when an over voltage condition is detected. In order for the diode to operate effectively, it must reach the breakdown voltage quickly, otherwise the surge may exceed the maximum allowable working voltage.The working principle of the VE1812K801R020 can be broken down into three stages: detection, switching, and clamping. The detection stage is when the diode senses an overvoltage condition and activates the protection circuit. The switching stage is when the diode begins to conduct the extra current away from the protected circuit and into an external resistor. Finally, the clamping stage is when the current is limited to a specified voltage rating. This limits the amount of energy that can be supplied to the circuit and prevents damage.The VE1812K801R020 can be used in many applications, such as level shifting, ESD protection, lightning protection, and high-speed signal switching. The device is capable of handling up to 20A of current, and its combination of robust protection and small form factor make it an excellent choice for devices that require reliable surge protection. It is also suitable for applications in computers, communications equipment, consumer electronics, and automotive electronics.In conclusion, the VE1812K801R020 is an efficient TVS diode designed to protect sensitive devices from surges caused by electrostatic discharge and lightning strikes. The device has a fast response time and is capable of handling up to 20A of transient current. Its small form factor and robust protection make it an excellent choice for level shifting and ESD protection. The device can be used in a wide variety of applications such as computers, communications equipment, consumer electronics, and automotive electronics.

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