Littelfuse Inc

PolySwitch BD280 Mini-terminal Bladed Device

Littelfuse PolySwitch mini-terminal devices to help protect automotive wire harnesses, motors and actuators

Image of Littelfuse's PolySwitch BD280 Mini-terminal Bladed DeviceThe PolySwitch BD280 mini-terminal bladed device from Littelfuse is suitable for one-to-one replacement of plug-in automotive mini fuses and bimetal circuit breakers. The device offers a solid-state design, and a resistance switching action that immediately latches following an overcurrent event. The devices' resettable functionality, high resistance to shock, vibration and rough handling, lower surface temperature and power dissipation, and flatter thermal derating can help vehicle manufacturers reduce warranty repair costs and improve user satisfaction. The PolySwitch BD280 is suitable for use in North American trucks, utility or off-road vehicles and worldwide passenger cars utilizing 12 V battery systems.

Features Applications
  • Directly replaces most automotive fuses
  • No cycling into short or overload conditions
  • No contacts to arc, erode or weld together improves reliability
  • Virtually constant performance across voltage range of 4 V to 14 V
  • Probe points facilitate diagnostics and faultfinding
  • Low thermal derating permits use in under hood applications
  • Automotive and Heavy Trucks Circuits
  • Wiring Harness Protection
  • 12 V Power Outlets
  • Intermittent Duty Circuits
  • DC Motor Circuits
  • 12 V system 100 amps and under
Published: 2009-06-17