W Vishay Dale NTC Thermistors, Surface Mount Chip FEATURES * * * * Top and bottom surface terminations High-density monolithic ceramic construction Allows design flexibility for use with hyprid circuitry Model W is a thermistor die with silver conductors fired on the top and bottom surfaces. The bottom surface can be reflow soldered or conductive epoxied directly to a substrate bonding pad and the top surface wire bonded to comlete the circuit connection. STANDARD ELECTRICAL SPECIFICATIONS AND DIMENSIONS in inches [millimeters] T L W R25 () 10.0M 500 000 250 000 200 000 100 000 100 000 100 000 80 000 50 000 50 000 30 000 30 000 30 000 20 000 15 000 10 000 3000 2000 2000 1000 1000 500 500 300 50 PART NUMBER 12W1004 12W5003 12W2503 7W2003 12W1003 8W1003 7W1003 8W8002 8W5002 7W5002 8W3002 7W3002 1W3002 1W2002 1W1502 1W1002 1W3001 1W2001 2W2001 2W1001 1W1001 2W5000 1W5000 2W3000 2W0500 CURVE NUMBER 12 12 12 7 12 8 7 8 8 7 8 7 1 1 1 1 1 1 2 2 1 2 1 2 2 L 0.043 0.004 [10.1 0.10] 0.053 0.004 [10.4 0.10] 0.075 0.006 [10.9 0.15] 0.041 0.004 [10.0 0.10] 0.119 0.008 [30.0 0.20] 0.049 0.004 [10.2 0.10] 0.054 0.005 [10.4 0.13] 0.049 0.004 [10.2 0.10] 0.053 0.004 [10.4 0.10] 0.051 0.004 [10.3 0.10] 0.072 0.005 [10.8 0.13] 0.069 0.005 [10.8 0.13] 0.029 0.003 [0.74 0.08] 0.035 0.004 [0.89 0.10] 0.041 0.004 [10.0 0.10] 0.050 0.005 [10.3 0.13] 0.068 0.005 [10.7 0.13] 0.101 0.006 [20.6 0.15] 0.049 0.004 [10.2 0.10] 0.053 0.004 [10.4 0.10] 0.105 0.006 [20.7 0.15] 0.060 0.005 [10.5 0.13] 0.148 0.006 [30.8 0.15] 0.077 0.006 [20.0 0.15] 0.188 0.012 [40.8 0.31] W 0.043 0.004 [10.1 0.10] 0.053 0.004 [10.4 0.10] 0.075 0.006 [10.9 0.15] 0.041 0.004 [10.0 0.10] 0.119 0.008 [30.0 0.20] 0.049 0.004 [10.2 0.10] 0.054 0.005 [10.4 0.13] 0.049 0.004 [10.2 0.10] 0.053 0.004 [10.4 0.10] 0.051 0.004 [10.3 0.10] 0.054 0.005 [10.4 0.13] 0.069 0.005 [10.8 0.13] 0.029 0.003 [0.74 0.08] 0.035 0.004 [0.89 0.10] 0.041 0.004 [10.0 0.10] 0.050 0.005 [10.3 0.13] 0.054 0.004 [10.4 0.10] 0.054 0.004 [10.4 0.10] 0.049 0.004 [10.2 0.10] 0.053 0.004 [10.4 0.10] 0.105 0.006 [20.7 0.15] 0.060 0.005 [10.5 0.13] 0.148 0.006 [30.8 0.15] 0.077 0.006 [20.0 0.15] 0.188 0.012 [40.8 0.31] T (nominal) 0.020 [0.51] 0.016 [0.41] 0.016 [0.41] 0.033 [0.84] 0.016 [0.41] 0.029 [0.74] 0.029 [0.74] 0.024 [0.61] 0.018 [0.46] 0.014 [0.36] 0.015 [0.38] 0.015 [0.38] 0.032 [0.81] 0.032 [0.81] 0.032 [0.81] 0.032 [0.81] 0.015 [0.38] 0.015 [0.38] 0.037 [0.94] 0.022 [0.56] 0.015 [0.38] 0.015 [0.38] 0.015 [0.38] 0.015 [0.38] 0.015 [0.38] GLOBAL PART NUMBER INFORMATION New Global Part Numbering: 08W8002KT (preferred part number format) 0 8 W 1 0 0 2 K T CURVE GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING 01 02 07 08 12 W 1002 = 10K J=5% K = 10 % E = Lead (Pb)-free, Tray T = Tin/Lead, Tray Historical Part Number example: TOMC16011002Z (will continue to be accepted) 08 W 8002 K T HISTORICAL CURVE GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING www.vishay.com 144 For technical questions, contact: thermistor1@vishay.com Document Number: 33006 Revision: 21-Sep-04 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1