semiThe MKESD0402MS05 is a diode manufactured by MKSemi that provides electrostatic discharge (ESD) protection from electrostatic voltages. This diode is a 0402 size (a size code indicating its dimensions) RoHS compliant component that provides protection from ESD voltages greater than 1 kV, making it suitable for use in many applications where ESD can be a problem, such as in consumer electronic products. The diode's maximum operating temperature is +105°C and its maximum forward current is 5A. The diode comes in a standard packaging size of 0.4 x 0.2 inch.