type pto series description thermometrics pto series consists of a range of radially-wire bare ptc disc thermistors. features ? low cost solid state sensor ? available in a broad range of resistances, transition temperatures and voltage ratings ? exhibits large positive increases in resistance with temperature ? resistance/temperature characteristic is infnitely repeatable and has no hysteresis associated with its action ? proven quality and reliability over many years of manufacturing thermometrics ptc thermistors applications ? current regulation ? circuit protection ? temperature measurement and control a mphenol advanced sensors
mechanical specifcations electrical specifcations ambient temperature range at storage: -25 to +155c at maximum voltage: +10 to +55c construction bare ceramic disc thick silver flm electrodes uninsulated leadwires terminations straight type, tin coated copper wire operating voltage, v max part number replacement for r @ 25c (30%) ? switch temperature, t b a (max) mm b (max) mm c (ref) mm d (ref) mm l (min) mm 12 yqs5893pto ys5893pto (rl5305-2.5-110-12-pto) 2.5 120c 15.24 4.06 5.0 0.6 25 12 yqs5898pto ys5898pto (rl3005-25-110-12-pto) 25 120c 8.89 3.81 5.0 0.6 25 25 yqs5745pto ys5745pto (rl3006-50-30-25-pto) 50 43c* 8.89 3.81 5.0 0.5 25 25 yqs5749pto ys5749pto (rl3006-50-80-25-pto) 50 80c 8.89 3.81 5.0 0.5 25 25 yqs5750pto ys5750pto (rl3006-50-90-25-pto) 50 90c 8.89 3.81 5.0 0.5 25 25 yqs5751pto ys5751pto (rl3006-50-100-25-pto) 50 100c 8.89 3.81 5.0 0.5 25 120 yqs5917pto ys5917pto (rl6010-20-120-120-pto) 20 120c 16.51 5.84 8.38 0.8 38.1 120 YS5918PTO rl5510-25-60-120-pto 25 60c 15.24 5.59 8.38 0.8 38.1 120 ys5921pto rl2510-200-110-120-pto 200 120c 7.62 5.08 3.81 0.6 38.1 240 yqs5925pto ys5925pto (rl6015-100-120-240-pto) 100 120c 16.51 6.86 8.38 0.8 38.1 240 yqs5930pto ys5930pto (rl3020-3000-100-240-pto) 3k 110c 8.89 7.87 6.35 0.8 25 480 yqs5934pto ys5934pto (rl3020-5k-100-480-pto) 5k 102c 8.89 7.62 6.35 0.8 25 *resistance = 2 x resistance at 25c ref l aas-920-458b-03/2014 www.amphenol-sensors.com ? 2014 amphenol corporation. all rights reserved. specifications are subject to change without notice. other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. a mphenol advanced sensors
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