LF Micro Ceramic SMD Fuse 1206 0.5A 500mA 0.75A 750mA 1A 1.5A 2A 3A 3.5A 4A 5A 7A 8A 63V 45V 32V 437 Series Fast Acting. Protect your sensitive electronic components with our high-quality LF 1206 SMD fuses. These surface-mount fuses offer fast-acting protection against overcurrent conditions. Available in a wide range of amperage and voltage ratings, these fuses are ideal for a variety of applications, including consumer electronics, automotive electronics, and industrial controls.