The ProTek Devices PSOT03C-LF-T7 is a surface-mount three-lead SOT-23-3 package Transient Voltage Suppressor (TVS) component. It is RoHS compliant and designed to protect sensitive electronics from voltage spikes without limiting normal circuit operation. The device's leads are marked with the letter suffixes A, K, and C to indicate anode, cathode, and ground respectively. It has a voltage break-down of 5V and is rated for a power dissipation of 500mW. It is also designed with a low clamping voltage and a fast response time. The component is suitable for use in applications such as notebook computers, cell phones, instrumentation, and automotive electronics.