Current Regulator Diodes, also known as current limiting diodes or constant current diodes, are designed to maintain a constant current flow through a circuit independent of the applied voltage. They achieve this by operating in the breakdown region, where the voltage drop across the diode remains relatively constant over a wide range of currents. Current Regulator Diodes find applications in current sources, LED drivers, battery charging circuits, and current sensing circuits. Higher current ratings and precise current regulation capabilities may contribute to higher price points for Current Regulator Diodes. When purchasing these diodes, consider the specific current regulation requirements of your circuit. Determine the desired current rating, voltage drop, and temperature stability needed for your application. Pay attention to parameters such as reverse leakage current, temperature coefficient, and package type suitable for your PCB layout.