type ym series thermometrics ptc thermistors description thermometrics ym series consists of a range of radially-wired ptc disc thermistors with silicone resin coating. features ? fast switching times ? operation up to 265v rms ? wide range of operating current levels ? excellent stability ? fail-safe operation ? solid state ? high performance barium titanate ceramic ? suitable for automatic pcb insertion applications ? designed for general purpose over-current, overvoltage and direct over-temperature protection packaging all types in the ym range are available loose- packed, as shown in the drawing. devices are also available on bandolier (tape & reel): types with diameter a <12 mm comply with iec 286-2. to identify the packaging required, replace n in the product codes shown in table as follows: ym bandoliered ......................................................r* loose-packed .................................................n yqs bandoliered ...................................................add t suffx pack quantities: loose-packed .........................................500-2500/box bandoliered :........................................ 375-1500/reel *ym120d260n150 *ym120d370n100 not available taped and reeled a mphenol advanced sensors
electrical specifcations maximum operating voltage 265v rms switch temperature 120c nominal tolerance on r 25 20% ambient temperature range at storage: -25 to +155c at maximum voltage: 0 to +55c lead wire material tin-coated copper body coating silicone resin, black ym, green yqs part number replacement for r @ 25c ? maximum current without tripping (i nt ) ma minimum trip current (i t ) ma maximum overload current (i mo ) a maximum residual current (i res ) ma d (max) mm t (max) mm h (max) mm g mm t=25c t=55c t=25c t=10c ym120c15n182 1800 16 14 23 28 0.1 5 4 5 8 ym120c20n122 1200 20 17 28 34 0.1 6 4 5 8 YQS8070 ym120c30n601 600 22 18 40 46 0.2 5 4.5 5 8 yqs8069 ym120c45n301 300 33 26 55 62 0.2 7 4.5 5 9 yqs8068 ym120c80n101 100 65 50 98 108 0.4 7 5.5 5 12 yqs8067 ym120d105n600 60 85 65 131 144 0.6 9 6 4.5 12 ym120d125n450 45 110 85 155 170 0.7 9 7 4.5 2 +0.5,-1 yqs8066 ym120d150n330 33 128 99 181 198 0.9 12 7.5 4.5 12 ym120d170n250 25 161 125 228 250 1.1 10 8.5 4.5 2 +0.5,-1 yqs8065 ym120d200n200 20 168 130 265 298 1.3 10 9.5 4.5 15 ym120d260n150 15 234 181 330 362 1.7 12 11.5 4.5 2 +0.5,-1 ym120d370n100 10 314 243 444 486 2.7 16 14.5 4.5 2 +0.5,-1 t (m ax ) 30 mi n d (m a x ) h 0 . 6 + 0 . 06/ -0 . 0 5 5 . 08+ 0 . 6 / -1 . 0 g ym drawing yqs drawing 0 . 5 5 -0 . 6 6 2 5 m in 5 1 aas-920-627a-03/2014 ? 2014 amphenol corporation. all rights reserved. specifcations 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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