ptft vishay dale www.vishay.com 4 document number 33014 revision 04-apr-05 for technical questions, contact: thermistor1@vishay .com note 1. rated continuous working voltage is maximum working voltage or square root of the power rating times resistance value, whicheve r is less. linear ptc thermistors, surface mount chip features ? solderable wraparound terminations ? alumina substrate base with ptc thick film element ? 0603, 0805, and 1206 sizes available ? available in tape and reel packaging ? standard tolerances: 5 %, 10 % ? contact factory for non-standard tolerance ? linear from - 55 c to + 125 c ? maximum linear deviation: 0.01 %/ c notes 1. contact vishay dale if closer tcr lot tolerance is desired. 2. other r 25 values and tolerances are available upon request. standard resistance values 10 120 1.5k 12 150 1.8k 15 180 2.2k 18 220 2.7k 22 270 3.3k 27 330 3.9k 33 390 4.7k 39 470 5.6k 47 560 6.8k 56 680 8.2k 68 820 10k 82 1k 12k 100 1.2k 15k standard electrical specifications tcr lot tcr 1) ppm tolerance - 55 c to + 125 c ppm 3500 300 3300 300 3100 300 2900 300 2700 300 2500 300 2300 300 r 25 ? value range (5 % and 10 % tolerance) 2) 0603 0805 1206 min. max. min. max. min. max. 10 - 22 10 - 39 10 - 47 27 - 120 47 - 180 56 - 220 150 - 270 220 - 330 270 - 470 330 - 560 390 - 680 560 - 1k 680 - 1.2k 820 - 1.5k 1.2k - 3.9k 1.5k - 5.6k 1.8k - 6.8k 4.7k - 8.2k 6.8k - 10k 8.2k - 10k 10k - 15k standard technical specifications part number power rating maximum working voltage rcwv 1) ptft 0603 75 mw 30 vdc ptft 0805 100 mw 40 vdc ptft 1206 125 mw 50 vdc global part number information new global part numbering: ptft1206l1002kz (preferred part numbering format) historical part number: ptft1206l1002kz (will continue to be accepted) p tft1206l1002kz ptft1206 l historical model characteristic resistance value tolerance code packaging global model characteristic resistance value tolerance code packaging ptft0603 ptft0805 ptft1206 l = linear 1002 = 10k j = 5 % k = 10 % f = lead (pb)-free, bulk w = lead (pb)-free, t/r (full) p = tin/lead, bulk z = tin/lead, t/r (full) 1002 k z
www.vishay.com 5 ptft vishay dale document number 33014 revision 04-apr-05 for technical questions, contact: thermistor1@vishay .com performance 1) 1k and below above 1k high temperature exposure (100 hours at 125 c) 1 % 1 % effects of bonding (10 sec. solder dip at 260 c) 1 % 1 % thermal shock (30 min. at - 65 c, 30 min. at 125 c, 5 cycles) 1 % 5 % low temperature operation (maximum rated power for 2 hours at - 65 c) 1 % 10 % short time overload (2.5 x rcwv for 5 seconds) 1 % 20 % moisture resistance (240 hours, 10 cycles) 4 % 5 % load life (1000 hours 70 c, maximum rated power 1.5 hours ?on?, 5 hours ?off?) 2 % 10 % load humidity (1000 hours at 85 c, 85 % rh, and 10 % rcwv) 5 % 15 % solderability (95 % coverage p/f) p p leaching (physical damage p/f) p p test 3) maximum % ? r 2) notes 1. environmental performance specifications use test procedures as outlined in mil-r-23648d and mil-std-202. 2. ptft?s are esd sensitive. 3. test reading accuracy of 0.3 %. linear ptc thermistors, surface mount chip overglaze thermistor alumina substrate inner electrode nickel barrier solderable coating dimensions in inches [millimeters] part number ptft0603 ptft0805 ptft1206 ab cd e 0.063 0.006 0.031 + 0.006 - 0.002 0.020 0.004 0.012 0.008 0.012 0.008 [1.60 0.15] [0.80 + 0.15 - 0.05] [0.50 0.10] [0.30 0.20] [0.30 0.20] 0.079 0.006 0.049 0.006 0.020 0.006 0.016 0.010 0.016 0.010 [2.00 0.15] [1.25 0.15] [0.50 0.15] [0.40 0.25] [0.40 0.25] 0.124 0.006 0.063 0.006 0.022 0.006 0.020 0.010 0.020 0.010 [3.15 0.15] [1.60 0.15] [0.56 0.15] [0.50 0.25] [0.50 0.25] a b d c e construction
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r 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 liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, 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.
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