The PESD0563U005 is a surface-mount, RoHS-compliant ESD (electrostatic discharge) diode designed and manufactured by Leiditech. It comes housed in a 0603 package and has P-type and N-type grooves across the surface. It is designed to protect electronic circuits from electrostatic discharges, spikes, and transients. The component has an operating voltage range of 5.8 V to 63 V, a Power Dissipation of 500mW, and a current handling capability up to 0.3A. It also boasts an excellent clamping efficiency of over 65%. This diode is suitable for a wide range of applications, including circuit protection, automotive, computer, and industrial situations.