Littelfuse 407A Series 1206 High I²t Time Lag Fuses

Littelfuse 407A Series 1206 High I²t Time Lag Fuses are AECQ-Compliant fuses specifically tested to cater to the secondary circuit protection needs of compact auto electronics applications. The general design ensures excellent temperature stability and performance reliability. The high I²t fuse series is designed to have ultra-high inrush current withstand capability to avoid nuisance fuse open. These 407A series time lag fuses find applications in automotive navigation systems, battery management systems, LED lighting, and TFT displays.

Features

  • 100% Lead-free, RoHS compliant, and halogen-free
  • AEC-Q200 qualified
  • Avoids nuisance opening due to high inrush and surge current inherent in the system
  • High current ratings in small size
  • Suitable for both leaded and lead-free reflow/wave soldering
  • UL recognized to UL/CSA/NMX 248-1 and UL/CSA/NMX 248-14
  • Ultra-high I²t values

Applications

  • Automotive navigation system
  • Battery Management System (BMS)
  • Cluster
  • LED lighting
  • Li-ion battery
  • TFT display

Technical Specifications

Parameters Values
Ampere rating range 1A to 8A
Maximum voltage rating range 24V to 63V
Nominal resistance range 0.009Ω to 0.360Ω
Nominal melting I²t 0.142 to 24.120
Nominal voltage drop 0.097V to 0.456V
Nominal power dissipation 0.456W to 0.800W
Operating temperature range -55ºC to +150ºC