|  | Light-Emitting Diode (LED) Design Guide - Circuit Protection, Fuses, Thyristors, Automotive Circuit LED Lighting Design Guide www.littelfuse.com 5 Safety and Reliability of LED Bulbs An LED lamp contains power conversion electronics (AC/DC), driver IC for the LEDs, a heat sink for thermal management and optics to optimize light quality. Since LED bulbs  www.littelfuse.com |  |