NTCAIMME3C90373 www.vishay.com vishay bccomponents revision: 08-feb-12 1 document number: 29131 for technical questions, contact: nlr@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ntc thermistors, miniature immersion sensor note ? other r 25 values and tolerances available upon request features ? fast time response for fluid immersion applications ? reduced thermal gradient, due to the use of small tip dimensions and thin isulated wire ? sensor for permanent contact with water or other liquids ? compliant to rohs directive 2002/95/ec applications immersion sensor used for temperature measurement, sensing and control in: ? water boilers ? heating systems ? chiller systems ? water and used water systems ? water and oil tanks ? consumer appliances , coffee machines ? industrial appliances ? solar heating systems description miniature insulated chip nt c thermistor mounted in a stainless steel housing with brass collar for sealed mounting and twin pvc isulated awg#30 lead wire connection. mounting ? the sensor can be mounted by means of a sealing o-ring and screw ? the end wire can be solder ed, or crimped to a connector ? optional connector for wire-to-wire or wire-to-board connections ? the contact with liquid should stay below the brass collar (see fig. 1 for mounting example) ? not intended for corrosive or high acidic liquids note ? ordering information can be found on: www.vishay.com/doc?33036 packaging available in plastic bags of 250 pieces. design-in support ? other resistance curves and tolerances are available on request ? consult vishay for other lead length ? 3d solid models: www.vishay.com/doc?29106 ? ntc curve computation: www.vishay.com/resistors-n on-linear/ntc-curve-list/ fig. 1 - mounting example wi th sealing ring and screw. quick reference data parameter value unit resistance value at 25 c 10k ? tolerance on r 25 -value 3 % b 25/85 -value 3984 k tolerance on b 25/85 -value 0.5 % operating temperature range: c at zero dissipation - 25 to + 105 response time t 63.2 % (25 c to water 85 c) 1.5 s dissipation factor ? mw/k mounted in still air 2.8 in still water 5.6 maximum power dissipa tion at 55 c 100 mw min. dielectric withstanding voltage between terminals and capsule (10 s) 500 v ac insulation resistance at 500 v dc > 100m ? thermal gradient < 0.02 k/k climatic category (l ct/uct/days) 25/105/56 - weight 2.1 g electrical data and ordering information r 25 -value r 25 -tol. b 25/85 -value b 25/85 -tol. sap material number description r/t table (k ? )(%) (k) ( %) 10 3 3984 0.5 NTCAIMME3C90373 ntc immers ion 10k 3 % 3984k 0.5 % table 1
NTCAIMME3C90373 www.vishay.com vishay bccomponents revision: 08-feb-12 2 document number: 29131 for technical questions, contact: nlr@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 dimensions in millimeters notes (1) vishay thermistor chip ntc, isulated (2) pvc cable, single insulated 105 c, 300 v rated, awg #30 multi-stranded twin (3) stainless steel housing (4) brass collar (5) epoxy potting resin (6) pre-tinned end wire stripped for complete curve computation, visit: www.vishay.com/resistors-n on-linear/ntc-curve-list/ l1 l2 l3 l4 l5 l6 l7 l8 ? d1 ? d2 ? d3 ? d4 ? d5 ? d6 200 20 4 23 2 5 3.4 2.05 13 6.8 + 0/- 0.1 3.9 0.1 2.5 2 1 0.3 resistance temperature characteristics temp. (c) r (t) / r 25 resistance ( ? ) ? r / r (%) ? (%/k) ? t (k) r min. ( ? ) r max. ( ? ) - 25 12.990 129 900 4.39 - 5.99 0.73 124 202 135 598 - 20 9.676 96 761 4.22 - 5.79 0.73 92 675 100 848 - 15 7.276 72 765 4.07 - 5.61 0.73 69 806 75 723 - 10 5.522 55 218 3.92 - 5.43 0.72 53 056 57 380 - 5 4.227 42 268 3.77 - 5.26 0.72 40 674 43 861 0 3.262 32 624 3.63 - 5.10 0.71 31 440 33 808 5 2.538 25 381 3.49 - 4.94 0.71 24 494 26 268 10 1.990 19 897 3.36 - 4.80 0.70 19 227 20 566 15 1.571 15 711 3.24 - 4.65 0.70 15 202 16 220 20 1.249 12 493 3.12 - 4.52 0.69 12 103 12 882 25 1.000 10 000 3.00 - 4.39 0.68 9700.0 10 300 30 0.8056 8056.0 3.11 - 4.26 0.73 7805.1 8306.8 35 0.6530 6529.7 3.22 - 4.14 0.78 6319.3 6740.2 40 0.5324 5323.9 3.33 - 4.03 0.83 5146.6 5501.1 45 0.4365 4365.3 3.43 - 3.92 0.88 4215.4 4515.1 50 0.3599 3598.7 3.53 - 3.81 0.93 3471.6 3725.8 55 0.2982 2982.3 3.63 - 3.71 0.98 2874.0 3090.5 60 0.2484 2483.8 3.72 - 3.61 1.03 2391.3 2576.3 65 0.2079 2078.7 3.81 - 3.51 1.09 1999.4 2157.9 70 0.1748 1747.7 3.90 - 3.42 1.14 1679.5 1815.9 75 0.1476 1475.9 3.99 - 3.34 1.20 1417.1 1534.8 80 0.1252 1251.8 4.07 - 3.25 1.25 1200.8 1302.8 85 0.1066 1066.1 4.15 - 3.17 1.31 1021.8 1110.4 90 0.09116 911.59 4.23 - 3.09 1.37 873.01 950.16 95 0.07825 782.46 4.31 - 3.02 1.43 748.75 816.17 100 0.06741 674.11 4.38 - 2.94 1.49 644.56 703.66 105 0.05828 582.84 4.46 - 2.87 1.55 556.87 608.82
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