Type PTF Series Thermometrics PTC Thermistors Description Thermometrics PTF Series consists of a range of radially-wired bare PTC disc thermistors. Features Applications Low cost solid state fuse Designed for general purpose over-current and short-circuit protection Available in a broad range of resistances, transition temperatures and voltage ratings Exhibits large positive increases in resistance with temperature Resistance/temperature characteristic is infinitely repeatable and has no hysteresis associated with its action Proven quality and reliability over many years of manufacturing Amphenol Advanced SensorsOperating R Part Replacement for Switch Minimum Maximum A B C D L Voltage, 25C Number Temperature, Trip Current (max) (max) (ref) (ref) (min) V (20%) T Current without mm mm mm mm mm max b (I ), T = Tripping t amb 25C (I ), T = nt amb 55C 18 10 YQS5838PTF Y S5838PTF (RL3005-10-110-12-PTF) 120C 290 mA 140 mA 8.9 3.8 5 0.6 25 25 3 YQS5846PTF Y S5846PTF (RL5008-3.0-110-25-PTF) 120C 740 mA 370 mA 14.0 4.6 5.0 0.6 25 50 10 YQS5853PTF Y S5853PTF (RL4006-10-110-50-PTF) 120C 400 mA 170 mA 11.4 4.3 5.0 0.6 25 50 50 YQS5855PTF Y S5855PTF (RL4010-50-110-50-PTF) 120C 170 mA 80 mA 11.4 5.1 5.0 0.6 25 50 100 YQS5856PTF Y S5856PTF (RL3810-100-110-50-PTF) 120C 120 mA 60 mA 10.7 5.1 5.0 0.5 25 120 50 YQS5868PTF Y S5868PTF (RL4510-50-110-120-PTF) 110C 170 mA 80 mA 13.5 5.1 5.0 0.6 25 120 100 YS5869PTF RL3510-100-110-120-PTF 120C 110 mA 60 mA 10.2 5.1 6.4 0.6 38.1 240 50 YQS5876PTF Y S5876PTF (RL6315-50-110-240-PTF) 120C 210 mA 100 mA 16.5 6.9 8.4 1.0 38.1 240 250 YQS5878PTF Y S5878PTF (RL6315-250-110-240-PTF) 115C 120 mA 45 mA 16.5 6.9 8.4 1.0 25 Mechanical Specifications Electrical Specifications Ambient Temperature Range At Storage: -25 to +155C At Maximum Voltage: +10 to +55C Construction Bare ceramic disc Thick silver film electrodes Uninsulated leadwires Terminations Straight type, tin coated copper wire L ref www.amphenol-sensors.com Amphenol 2014 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. Other company names and product names used in this document are Advanced Sensors the registered trademarks or trademarks of their respective owners. AAS-920-457B-03/2014