Littelfuse 443 250V Nano²® Fuses

Littelfuse 443 250V Nano²® Fuses are time-lag, surface-mount devices designed to support higher voltage applications that have limited space. These fuses enable compliance with the RoHS directive. They are fully compatible with lead-free solder alloy and higher temperature profiles associated with lead-free assembly. Littelfuse 250V Nano² Fuses are available in ratings of 0.50A to 5.0A. The 443 series is ideal for use in a variety of applications, including AC/DC power adapters, telecom equipment system power applications, portable system built-in AC/DC converters, high voltage DC/DC converters, and lighting systems.


  • 250VAC voltage rating
  • Available ratings of 0.50A to 5.0A
  • Time lag
  • Fully compatible with lead-free solder alloys and higher temperature profiles
  • RoHS compliant


  • AC/DC power adapters
  • Telecom equipment system power
  • Portable system built-in AC/DC converters
  • High voltage DC/DC converters
  • LED lighting
  • Lighting systems

Electrical Specifications

Chart - Littelfuse 443 250V Nano²® Fuses
公開: 2010-06-01 | 更新済み: 2020-10-01