3216FF & 3216TD Chip Fuses Bussmann / Eaton 3216FF and 3216TD Chip Fuses are reflow and wave solder compatible with excellent environmental integrity. 3216FF fuses are AEC-Q200 qualified and offer a surface mount design. 3216TD fuses are time-delay, surface mount fuses and offer high inrush withstand capability and wire-in-air performance. Bussmann / Eaton 3216FF and 3216TD Chip Fuses protect against harmful overcurrents in secondary applications and offer high inrush-withstand capability.