MAP5KE11A Circuit Protection

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MAP5KE11A is a transient voltage suppressor (TVS) diode developed by Microsemi, which is designed to quickly absorb the surge current from a lightning or an electrostatic discharge (ESD). By controlling the electrical energy, MAP5KE11A can protect sensitive electronic components against overvoltage and overcurrent transients.

MAP5KE11A is a unidirectional diode used for ESD protection and has a more symmetrical clamping characteristic compared to typical dual-diode ESD solutions. It is composed of two terminals, one anode and one cathode. The typical operating voltage of MAP5KE11A is 5V, with a maximum clamping voltage of 17.5V peak. The diode has an operating temperature of -55 to 175°C and a thermal resistance of 380°C/W. In addition, it has a very low leakage current of 5µA even at maximum temperature.

MAP5KE11A is widely used in a variety of applications, due to its small size, high ESD protection capability and easy-to-implement design. It is commonly used in high-end automotive electronics, consumer electronics, communications equipment, industrial control systems, medical equipment, and automotive applications. It is also suitable for applications that require high reliability, such as those in the harsh military environment. With its high reliability and superior durability, MAP5KE11A is an ideal solution for advanced protection.

The working principle of MAP5KE11A is simple. When an overvoltage transient occurs, the device quickly breaks down and conducts current to the ground, effectively dissipating the surge energy. The voltage on the anode pin rises and a negative-going voltage pulse is clamped around the cathode pin. The recovery time of MAP5KE11A is very short and the device’s reverse leakage current is very small.

MAP5KE11A is a reliable protective device with high protection capability and small size. Its wide operating temperature ranges and superior peak-pulse discharge current make it suitable for a variety of applications. Its easy-to-implement design and fast switching time have made it an ideal choice for advanced ESD protection.

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