Won-Top Electronics provides a wide selection of packages of Automotive Diodes  including Cell Diodes, Button Diodes, Leaded Button Diodes, and Pressfit Diodes. These products are being manufactured using glass passivated die or silicon open junction diffused die and encapsulated with extremely compact, UL flammability classification 94V-0 molded plastic for optimum efficiency. They are available in both positive and negative polarity.