MP5KE8.5AE3

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TVS diodes (Transient Voltage Suppression Diodes) are low-cost, easily-implemented surge protection devices used to protect electronic systems from electrical over-voltage transients such as lightning strikes. MP5KE8.5AE3 is one of the most widely used TVS diodes, used for protecting data lines in automotive, industrial and consumer applications. In this article, we will discuss the application field and working principle of MP5KE8.5AE3.

The MP5KE8.5AE3 is a unidirectional (transient voltage suppressor) diode with an 8.5 Volt maximum working voltage. It is designed to protect low-voltage lines from over-voltage transients. The device features ultra-low capacitance (0.15 pF), fast response time (5ns max) and extended transient protection (3000W peak power). With its high surge capability (6 kV, 10kA peak), the MP5KE8.5AE3 is suitable for use in a wide variety of applications.

MP5KE8.5AE3 is intended for use in automotive, industrial and consumer applications. Automotive applications include ECU protection, USB ports protection, BLDC motor controllers protection, and protection of diagnostic lines. Industrial applications include programmable logic controllers (PLCs), industrial control systems, and protection against electrical noise on power lines. Consumer applications include protection of electronic telephones, audio systems, monitors, and LCD displays.

The operating principle of the MP5KE8.5AE3 is relatively simple. It is a unidirectional device, meaning that voltage can flow in one direction only. When an over-voltage transient hits the protected line, the device will start conducting, diverting the transient current away from the protected device and to ground. The device then acts as a shunt, clamping the voltage to the maximum rated working voltage (8.5 Volts).

The MP5KE8.5AE3 is designed for reliable operation in harsh electrical environments. It features a robust package design, with a rugged glass-passivated junction, which provides superior mechanical and electrical stability. The device is guaranteed to perform at temperatures between -55°C and 125°C, and it is RoHS compliant.

Overall, the MP5KE8.5AE3 is an excellent choice for protecting low-voltage lines from over-voltage transients. With its superb surge capability (6 kV, 10kA), and extended protection (3000W peak power), the device is suitable for use in a variety of automotive, industrial and consumer applications.

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