The Littelfuse Polyswitch is a resettable device that performs like a fuse under overcurrent conditions, but is unique in that it will reset. As soon as an overcurrent condition is reached the Polyswitch heats up to its trip temperature. * Trip current 3.2A * Trip time 8 sec * Hold current 1.6A * Max voltage 30V * Max current 40A * Radial leaded package * Initial resistance 0.03 to 0.07R * Post-trip resistance 0.11R * Lead pitch 5.8mm * Dimensions 8.9mm x 7.6mm x 15.2mm * UL and TUV approved Note: Previously manufactured by Raychem. https://elecena.pl/product/27216281/littlefuse-ruef160-1-6a-polyswitch-fuse 2024-11-10 https://elecena.pl/product/27216281/littlefuse-ruef160-1-6a-polyswitch-fuse 2025-03-22 https://elecena.pl/product/27216281/littlefuse-ruef160-1-6a-polyswitch-fuse 2025-05-21 https://elecena.pl/product/27216281/littlefuse-ruef160-1-6a-polyswitch-fuse 2025-06-08 https://elecena.pl/product/27216281/littlefuse-ruef160-1-6a-polyswitch-fuse 2025-09-16 https://elecena.pl/product/27216281/littlefuse-ruef160-1-6a-polyswitch-fuse 2026-04-08