4.0SMDJ18A

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A transient voltage suppressor (TVS) diode is an electronic protective device designed to clamp and protect electrical systems from high-voltage transients. The SMDJ18A is a unidirectional diode designed for protection of consumer, commercial and industrial electronics from transients. This is done through its ability to clamp and limit surge voltages to safe levels.

The SMDJ18A can be used in a wide variety of electrical and electronic systems, including computers, medical devices, industrial and control systems, telecom gear, power supplies and more. It is an ideal choice for applications that require protection from lightning, switching transients, ESD, EFT, and AC or DC power line transients. This diode is designed to protect circuits from up to 18V surge voltages, making it a good choice for a range of applications.

The SMDJ18A features an integrated diode protector and voltage clamp, making it effective at protecting the system from transients. It offers fast response times, low clamping voltage, and low capacitance. This makes it ideal for applications where transient protection, clamping, and speed are important.

The working principle of the SMDJ18A is to clamp and limit surge voltages to safe levels. This is done through the combination of the integrated diode protector and voltage clamp. When an over voltage event occurs, the diode opens and limits the voltage so that it can not exceed the level programmed into the diode. The integrated voltage clamp then clamps and holds the surge voltage to a safe threshold.

In addition to its performance, the SMDJ18A also offers excellent reliability. The diode is rated for up to 2000V operating voltage and 1000V junction breakdown voltage, making it an ideal choice for a wide variety of applications. It is also built with a high-temperature epoxy that gives it excellent thermal and humidity resistance.

The SMDJ18A is an excellent choice for a range of applications. It offers fast response times and low clamping voltage, making it an ideal choice for applications that need both transient protection and fast response times. It is designed to protect circuits from up to 18V surge voltages, making it a good choice for a range of applications. Additionally, it offers excellent reliability and thermal and humidity resistance, making it a great choice for applications that may be exposed to extreme conditions.

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