document number: 29058 for tec hnical questions, contact: nlr@vishay.com www.vishay.com revision: 29-jun-11 1 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, naked chips NTCC100E4 vishay bccomponents dimensions in millimeters component outline features ? high stability (toleran ce on b-value between 2.5 % and 0.75 %) over a long life ? excellent price/performance ratio ? for mechanical fixing in a housing or soldering directly to non-standard leads ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec ? halogen-free according to iec 61249-2-21 definition applications ? temperature measurement, sensing, and control description these thermistors have a negative temperature coefficient. the device consists of a silver metallized square chip. design-in support for complete curve computation, visit: www.vishay.com/resistors-non-l inear/curve-computation-list/ packaging the naked chips are placed in sealed polythene bags and packed in cardboard boxes. the smallest packaging quantity is 5000 units. mounting by reflow or wave soldering in any position or mechanical fixing in a housing. soldering directly to non-standard leads. not suitable for ultrason ic soldering or wire bonding. notes (1) replace * in sap part no by j for 5 %, h fo r 3 %, g for 2 % and f for 1 % tolerance on r 25 (2) replace * in 12nc by 3 for 5 %, 6 for 3 %, 4 for 2 % and 5 for 1 % tolerance on r 25 quick reference data parameter value unit resistance value at 25 c ( r 25 ) 2.2k to 470k ? tolerance on r 25 -value 1; 2; 3; 5 % b 25/85 -value 3740 to 4570 k tolerance on b 25/85 -value 0.75 to 2.5 % operating temperature range: c at zero dissipation (c ontinuously) - 40 to + 125 for short periods ? 150 climatic category (lct/uct/days) 40/125/56 d d t max. electrical data and ordering information r 25 (k ? ) tcr (%/k) d (mm) t max. (mm) b 25/85 -value (k) tol. on b 25/85 (%) sap material and ordering number NTCC100E4... (1) old 12nc code 2381 640 0... (2) 2.2 4.37 2.3 0.4 1.3 3977 0.75 222*b *222 2.7 4.37 2.3 0.4 3977 0.75 272*b *272 3.3 4.37 2.0 0.4 3977 0.75 332*b *332 4.7 4.37 2.0 0.4 3977 0.75 472*b *472 5.0 4.37 2.0 0.4 3977 0.75 502*b *502 6.0 4.37 2.0 0.4 3977 0.75 602*b *602 6.8 4.37 2.0 0.4 3977 0.75 682*b *682 8.0 4.37 2.0 0.4 3977 0.75 802*b *802 10 4.37 2.0 0.4 3977 0.75 103*b *103 12 4.10 2.0 0.4 3740 2.0 123*b *123 15 4.10 2.0 0.4 3740 2.0 153*b *153 22 4.10 2.0 0.4 3740 2.0 223*b *223 33 4.46 2.0 0.4 4090 1.5 333*b *333 47 4.46 2.0 0.4 4090 1.5 473*b *473 68 4.57 2.0 0.4 4190 1.5 683*b *683 100 4.57 2.0 0.4 4190 1.5 104*b *104 150 4.75 2.0 0.4 4370 2.5 154*b *154 220 4.75 2.0 0.4 4370 2.5 224*b *224 330 4.95 2.0 0.4 4570 1.5 334*b *334 470 4.95 2.0 0.4 4570 1.5 474*b *474
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