TRF250-180POLYSWITCH PTC RESET 0.18A HOLD|TE CONNECTIVITY RAYCHEM CIRCUIT PROTECTION|Lead free|RoHS Compliant 0ZRF0018FF1A 250R180F TRF250-180S-2POLYSWITCH PTC RESET 0.18A HOLD|TE CONNECTIVITY RAYCHEM CIRCUIT PROTECTION|Lead free|RoHS Compliant TRF250-183S