ntcascwe3 www.vishay.com vishay bccomponents revision: 18-dec-12 1 document number: 29065 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, screw threaded sensors notes ?other r 25 -values and tolerances are available upon request ? insulated leads available upon request (1) measured with screw mounted on an aluminium heatsink of 100 cm 2 , thickness 1.5 mm, in still air at t amb = + 25 c features ? easy mounting with screw ? rugged construction ? material categorization: ? for definitions of compliance please see www.vishay.com/doc?99912 applications ? temperature measurement, sensing and control ? suitable for surface temperatu re applications, especially when a good electrical insu lation and a good thermal contact with the chassis is required description the thermistors are made of ntc ceramic material reflow soldered between two solid tinned copper or nickel wires and potted in the head of passivated aluminum srew size m4. packaging the thermistors are packed in cardboard boxes; the smallest packaging quantity is 100 units. design in support for complete curve computation, visit: ? www.vishay.com/resistors-non-l inear/curve-computation-list marking the last 4 digits of the 12nc co de are printed on the stud in accordance with the information in electrical data and ordering information table. mounting by means of a washer and m4 nut supplied with the device or in a threaded screw hole. applied torque shall not exceed 1.2 nm. leads to be soldered or crimped. dimensions in millimeters quick reference data parameter value unit resistance value at 25 c 1k to 470k ? tolerance on r 25 -value 1, 2, 5 % b 25/85 -value 3740 to 4570 k tolerance on b 25/85 -value 0.5 to 2.5 % operating temperature range at: c zero dissipation - 40 to + 100 maximum power dissi pation 0 to + 55 dissipation factor (1) ? 23 mw/k maximum power di ssipation 500 mw thermal time constant (1) ? 7.5 s min. dielectric withstanding voltage between terminals and al case 1500 (1 s) v ac insulation resistance between terminals and al case min. 100 m ? weight ? 1.5 g 8 max. 8 0.1 6.7 max. ? d 37 3 5.5 min. m4 component outline electrical data and ordering information r 25 (k ? ) tolerance on r 25 b 25/85 -value leads diameter ? d (mm) tcr (%/k) sap material number and ordering code old 12nc code 1.0 5 % 3528k 0.5 % 0.6 - 3.87 NTCASCWE3102J 2381 640 73102 2.2 5 % 3977k 0.75 % 0.6 - 4.37 ntcascwe3222j 2381 640 73222 4.7 1 % 3977k 0.75 % 0.5 - 4.37 ntcascwe3472f 2381 640 75472 4.7 2 % 3977k 0.75 % 0.5 - 4.37 ntcascwe3472g 2381 640 74472 4.7 5 % 3977k 0.75 % 0.6 - 4.37 ntcascwe3472j 2381 640 73472 10 1 % 3977k 0.75 % 0.5 - 4.37 ntcascwe3103f 2381 640 75103 10 2 % 3977k 0.75 % 0.5 - 4.37 ntcascwe3103g 2381 640 74103 10 5 % 3977k 0.75 % 0.6 - 4.37 ntcascwe3103j 2381 640 73103 12 5 % 3740k 1.5 % 0.6 - 4.10 ntcascwe3123j 2381 640 73123 15 5 % 3740k 1.5 % 0.6 - 4.10 ntcascwe3153j 2381 640 73153 47 5 % 4090k 1.5 % 0.6 - 4.46 ntcascwe3473j 2381 640 73473 100 1 % 4190k 1.5 % 0.5 - 4.57 ntcascwe3104f 2381 640 75104 100 2 % 4190k 1.5 % 0.5 - 4.57 ntcascwe3104g 2381 640 74104 100 5 % 4190k 1.5 % 0.6 - 4.57 ntcascwe3104j 2381 640 73104 150 5 % 4370k 2.5 % 0.6 - 4.75 ntcascwe3154j 2381 640 73154 470 5 % 4570k 2 % 0.6 - 4.95 ntcascwe3474j 2381 640 73474
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