chip thermistor in eyelet tag features ? suitable for surface temperature measurement ? sensing element electrically isolated from tag ? two standard resistance values: 10 kw & 20 kw nominal at 77f (25c) ? eyelets to fit m3, m4 & m5 screw sizes ? range of wire lengths 1.97 in to 78.74 in (50 mm to 2000 mm) (dimension wl in diagram on page 2) ? typical applications include semiconductor heatsinks, enclosure panels ntc type jr a mphenol advanced sensors
type jr specifications description ntc chip thermistor with insulated flexible wires and housed in an eyelet tag. options ? other resistance - temperature characteristics ? other wire types data ? r25: 10 kw 5% (jr103r5mxlxxx) 20 kw 5% (jr203r5mxlxxx) ? b 25/85: 3977 k 0.75% ? temperature range: -22f to 221f (-30c to 105c) ? insulation resistance: 500 vdc ? wire conductors: tin-plated copper 7 x 0.1 mm diameter ? wire insulation: irradiated pvc ? pack quantity and moq: 200 pcs resistance-temperature data for jmf942r2l251 temperature r t /r 25 resistance temperature nominal tolerance tolerance c % c -20 9.6807 6.80 1.17 -15 7.2809 6.58 1.17 -10 5.5253 6.35 1.17 -5 4.2292 6.14 1.17 0 3.2640 5.94 1.16 5 2.5391 5.74 1.16 10 1.9902 5.54 1.16 15 1.5713 5.36 1.15 20 1.2493 5.18 1.15 25 1.0000 5.00 1.14 30 0.8056 5.17 1.21 35 0.6530 5.34 1.29 40 0.5325 5.50 1.37 45 0.4367 5.65 1.45 50 0.3601 5.81 1.53 55 0.2985 5.96 1.61 60 0.2487 6.10 1.69 65 0.2082 6.24 1.78 70 0.1751 6.38 1.87 75 0.1480 6.52 1.96 80 0.1256 6.65 2.05 85 0.1070 6.77 2.15 90 0.09155 6.90 2.24 95 0.07864 7.02 2.34 100 0.06781 7.14 2.44 105 0.05868 7.26 2.54 d h l wl 0.197 in (5 mm) 0.078 in(2 mm) ntc type jr dimensions
type jr specifications ordering information the code number to be ordered may be specified as follows: code type jr chip thermistor in eyelet tag code r 25 and tolerance 103r5 10 kw 5% 203r5 20 kw 5% code wire length wl in mm m3 m4 see dimensions below m5 code wire length wl in mm l500 50 5 l101 100 10 l201 200 20 l301 300 20 l401 400 20 l501 500 20 l102 1000 50 l152 1500 50 l202 2000 50 jm - ____ - ____ - ____ typical model number eyelet size and wire length are specified by the product code: e.g. jr203r5m3l500 eyelet dimensions eyelet size h (mm) d (mm) l (mm) m3 3.2 6.4 12.3 m4 4.3 8.5 16.8 m5 5.3 8.5 16.8
aas-920-352a-04/2014 www.amphenol-sensors.com ? 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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