M15KP40AE3

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TVS (Transient Voltage Suppression) diodes are one of the most common components for protecting against over voltage and high current electrical transients. The M15KP40AE3 is a TVS diode device that provides excellent electrostatic discharge (ESD) protection in applications ranging from industrial to consumer electronics. This article will discuss the application field and working principle of the M15KP40AE3.

The M15KP40AE3 is a low capacitance, low profile, unidirectional TVS diode device. It is designed to dissipate high peak power and clamp transient voltages as low as 15V, protecting circuits such as I/O ports, data lines, analog lines and telecom lines from Electrostatic Discharges (ESDs) to ±15kV, and from fast, high peak current transients up to 40A. The device is available in a wide range of surface mount packages for easy implementation into any given application. Typical application fields of the M15KP40AE3 include personal computers, modems, cellular phones, digital cameras, digital satellites, TVs, DVD players, copiers, printers, and fax machines.

The working principle of the M15KP40AE3 is based on the zener effect, which is the phenomenon of a controlled breakdown of a zener diode when the voltage rises above a certain breakdown voltage. When a voltage transient (or ESD) is applied, the TVS diode device conducts current and the voltage at the junction is held at a constant value, thus protecting the circuit from over voltages. Once the transient is over, the TVS diode turns off and does not conduct current.

The M15KP40AE3 is designed to be a rugged ESD protection device, capable of dissipating high peak power from transient suprasound overloads. It offers superior protection for I/O ports, data lines, analog lines, telecom lines for ESD up to 15kV and transient current up to 40A. Its low capacitance and low profile allows it to be easily integrated into any given application, making it the ideal choice for consumer and industrial applications.

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