ntcs....e3...smt www.vishay.com vishay bccomponents revision: 28-aug-13 1 document number: 29151 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 smd ntc thermistors with enhanced stability features ? monolithic smd with nick el barrier and pure tin ? wide temperature range from - 40 c to + 125 c ? enhanced stability throughout the lifetime (maximum variation of initial r 25 c of 0.5 % after 10 000 hours at any temperature) ? ideal for wave and reflow soldering ?one r 25 c -value per case 0402, 0603, 0805 ? delivered on punched paper tape on reel ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 applications ? all applications that require the utmost stability in time (medical application, heat counting) mounting please refer to information pro vided for generic ntcs serie. packaging available in 8 mm punched pape r tape on reel package of 4000 units (case 0603 and 0805) and 10 000 (case 0402). design-in support for complete curve computation, visit: ? www.vishay.com/resistors-n on-linear/ntc-curve-list/ note ? non-dimensioned details do not affect the performance of the thermistors. quick reference data parameter value unit resistance value at 25 c 100k to 210k ? tolerance on r 25 -value 1 % b 25/85 -value 3590 k tolerance on b 25/85 -value 1 % maximum power dissipation (by case) 70 (0402), 120 (0603), 210 (0805) mw response time (63.2 %) ? 25 c to 750 c still air ? (for info by case) 4 (0402), 6 (0603), 10 (0805) s dissipation factor ? in still air (for each case) 2 (0402), 3 (0603), 3.5 (0805) mw/k operating temperature range - 40 to + 125 c weight 1 to 7 mg electrical data and ordering information vishay sap ? ordering number r 25 -value (k ? ) tolerance on r 25 (%) b 25/85 -value (k) b 25/85 -tolerance (%) description ntcs0402e3214smt 210 1 3590 1 smd nt c thermistor 0402 ni barrier ntcs0603e3124smt 122 1 3590 1 smd nt c thermistor 0603 ni barrier NTCS0805E3104SMT 100 1 3590 1 smd nt c thermistor 0805 ni barrier dimensions in millimeters parameter value case 0402 0603 0805 w 0.5 0.15 0.8 0.15 1.25 0.15 t 0.5 0.15 0.8 0.15 0.8 0.15 l1, l3 0.1 min. 0.2 min. 0.2 min. l2 0.3 min. 0.4 min. 0.55 min. l 1 0.15 1.6 0.15 2 0.2 l wt l2 l3 l1
ntcs....e3...smt www.vishay.com vishay bccomponents revision: 28-aug-13 2 document number: 29151 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 reliability information after a test of storage at any temperature within the temperature range, the drift of electrical resistance at 25 c is always lower than 0.5 % (see here under typical figures for drift after storage during 10 000 h at maximal temperature 125 c). the same type of stability is also observed in th ermal shocks between the two extreme values of the temper ature range. the tests are performed according to iec 60068-2-2 and 2-14. fig. 1 - r 25 c drift after storage at 125 c for 0603 case fig. 2 - drift in storag e at 125 c for 0402 case -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 2000 4000 6000 8000 10000 dr25/r25(%) me (h) max measured dri average measured dri minimum measured dri negative treshold positive treshold -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 2000 4000 6000 8000 10000 dr25/r25(%) me (h) max measured dri average measured dri minimum measured dri negative treshold positive treshold
ntcs....e3...smt www.vishay.com vishay bccomponents revision: 28-aug-13 3 document number: 29151 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 fig. 3 - r 25 c drift in thermal shocks - 40 c, 15 min/125 c, 15 min -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0 250 500 750 1000 1250 1500 1750 2000 dr/r(%) nr cycles min drift r25 max drift r25 average drift r25 positive treshold negative treshold
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