SMP14A-E3/85A

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TVS - Diodes, or Transient Voltage Suppressors, are semiconductor devices used to protect sensitive electronic components from high voltage caused by electrostatic discharge (ESD) and other forms of transients. The SMP14A-E3/85A is one of the most popular and versatile TVS devices in the market, used for both industrial and consumer applications. This article aims to explain its features, application field, and working principle.

The SMP14A-E3/85A is a unidirectional low-capacitance transient voltage suppressor designed to protect lines within the operating range of 8.5 V to 14.0 V. It is capable of handling up to 1.5 kV of transient energy The SMP series of devices also feature an ultra-low capacitance of 0.1 pF, making them suitable for high-speed applications. The SMP14A-E3/85A is available in both surface mount and thru-hole packages, and is also RoHS compliant and readily accessible.

The primary application field for the SMP14A-E3/85A is in high-speed digital lines, including data and signal transmission systems, computing and telecommunications devices, and any application where protection from ESD and voltage transients is necessary. It is also widely used in automotive, consumer, industrial, and medical applications thanks to its low capacitance, allowing it to diver high currents safely and efficiently. This feature makes it especially useful in applications where ESD and electrical surge performance are critical.

The SMP14A-E3/85A works by using a zener diode-based scheme to provide protection from voltage transients. When a transient occurs, the zener diode quickly turns on, allowing current to flow. This current passes through the TVS diode, clamping the voltage of the transient to a safe level to protect the downstream components.

In addition to the zener diode-based protection, the SMP14A-E3/85A also features a low leakage current and fast response times. This ensures that transients are quickly and effectively clamped, reducing any potential damage to the downstream components. The device is also capable of handling high power loads, making it an effective and reliable solution for applications where transient protection is a necessity.

The SMP14A-E3/85A is a well-rounded and reliable TVS diode. Its low capacitance, responsiveness, and leakage current make it an ideal choice for applications where high voltage transients are a concern. Its wide range of applications makes it a versatile and dependable device, ensuring that your electronics remain safe from dangerous voltage transients.

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