linear ptc thermistors, surface mount chip tfpt vishay www.vishay.com for technical questi ons, contact: thermistor1@vishay.com document number: 33017 6 revision: 25-oct-06 features ? solderable wraparound terminations ? alumina substrate base with ptc thin film element ? 0603, 0805 and 1206 sizes available ? available in tape and reel packaging ? standard tolerances: 0.5 %, 1 %, 5 % ? contact factory for non-standard tolerance ? operation range - 55 c to + 125 c notes 1. contact vishay if closer tcr lot tolerance is desired 2. other r 25 values and tolerances are available upon request note 1. rated continuous working voltage is maximum working voltage or square root of the power rating times resistance value, whiche ver is less. standard electrical specifications tcr at room temperature (25 c) see typical curve for tcr at other temps. tcr 1) tolerance ppm/k r 25 value range (0.5 %, 1 %, 5 % tolerance) 2) 0603 0805 1206 min. max. min. max. min. max. 4110 ppm/k 400 100 - 1k 100 - 5k 100 - 10k standard resistance values 100 270 680 1.8k 4.7k 120 330 820 2.2k 5.6k 150 390 1k 2.7k 6.8k 180 470 1.2k 3.3k 8.2k 220 560 1.5k 3.9k 10.0k standard technical specifications part number power rating maximum working voltage rcwv 1) tfpt 0603 75 mw 30 v dc tfpt 0805 100 mw 40 v dc tfpt 1206 125 mw 50 v dc global part number information new global part numbering: tfpt1206l1002fz (preferred part numbering format) t fpt1 2 6 l1 0 0 2 fz historical part number: tfpt1206l1002fz (will continue to be accepted) z f 2 0 0 1 l 6 0 2 1 t p f t historical model characteristic resistance v alue tolerance code packaging global model characteristic resistance v alue tolerance code packaging tfpt0603 tfpt0 8 05 tfpt1206 l = linear 1002 = 10k d = 0.5 % f = 1 % j = 5 % f = lead (p b )-free, b u lk m = lead (p b )-free, t/r (f u ll) p = tin/lead, b u lk z = tin/lead, t/r (f u ll)
tfpt linear ptc thermistors, surface mount chip vishay document number: 33017 for technical questi ons, contact: thermistor1@vishay.com www.vishay.com revision: 25-oct-06 7 dimensions in millimeters construction typical curve notes 1. environmental performance specific ations use test procedures as out lined in mil-r-23648d and mil-std-202 2. tfpts are esd sensitive a b d c e part number a b c d e tfpt 0603 1.60 0.10 0.85 0.10 0.45 0.10 0.30 0.20 0.30 0.20 tfpt 0805 2.00 0.15 1.25 0.15 0.45 0.10 0.40 0.20 0.40 0.20 tfpt 1206 3.20 0.15 1.60 0.15 0.55 0.10 0.50 0.25 0.50 0.25 thermistor alumina substrate inner electrode nickel barrier solderable coating overcoating ppm/k temperature in c 5000 4900 4 8 00 4700 4600 4500 4400 4300 4200 4100 4000 3900 3 8 00 3700 3600 3500 3400 3300 3200 3100 3000 - 55 - 25 0 25 50 75 100 125 performance 1) test maximum % r 2) high temperature exposure (100 hours at 125 c) 0.25 % effects of bonding (10 seconds solder dip at 260 c) 0.25 % thermal shock (30 minutes at 65 c, 30 minutes at 125 c, 5 cycles) 0.25 % low temperature operation (maximum ra ted power for 2 hours at - 65 c) 0.25 % short time overload (2.5 x rcwv for 5 seconds) 0.25 % load life (1000 hours 70 c, maximum rated power 1.5 hours ?o n ?, 0.5 hours ?off? 0.25 % solderability (95 % coverage p/f) p leaching (physical damage p/f) p
tfpt vishay linear ptc thermistors, surface mount chip www.vishay.com for technical questi ons, contact: thermistor1@vishay.com document number: 33017 8 revision: 25-oct-06 ratio tolerance examples: at 40 c, ratio = 1.063 0.5 % (0.005) so, ratio = 1.058 to 1.068 at 125 c, ratio = 1.460 3 % (0.044) so, ratio = 1.416 to 1.504 average t.c.s tfpt all sizes & values temp ratio temp ratio temp ratio temp ratio - 55 0.698 - 10 0.861 35 1.042 80 1.240 - 54 0.701 - 9 0.865 36 1.046 81 1.244 - 53 0.705 - 8 0.869 37 1.050 82 1.249 - 52 0.708 - 7 0.873 38 1.054 83 1.254 - 51 0.712 - 6 0.876 39 1.058 84 1.258 - 50 0.715 - 5 0.880 40 1.063 85 1.263 - 49 0.719 - 4 0.884 41 1.067 86 1.268 - 48 0.722 - 3 0.888 42 1.071 87 1.272 - 47 0.726 - 2 0.892 43 1.075 88 1.277 - 46 0.729 - 1 0.896 44 1.080 89 1.282 - 45 0.733 0 0.900 45 1.084 90 1.287 - 44 0.736 1 0.904 46 1.088 91 1.291 - 43 0.740 2 0.908 47 1.092 92 1.296 - 42 0.743 3 0.911 48 1.097 93 1.301 - 41 0.747 4 0.915 49 1.101 94 1.306 - 40 0.750 5 0.919 50 1.105 95 1.311 - 39 0.754 6 0.923 51 1.110 96 1.315 - 38 0.757 7 0.927 52 1.114 97 1.320 - 37 0.761 8 0.931 53 1.118 98 1.325 - 36 0.765 9 0.935 54 1.123 99 1.330 - 35 0.768 10 0.939 55 1.127 100 1.335 - 34 0.772 11 0.943 56 1.131 101 1.340 - 33 0.775 12 0.947 57 1.136 102 1.345 - 32 0.779 13 0.951 58 1.140 103 1.349 - 31 0.783 14 0.955 59 1.145 104 1.354 - 30 0.786 15 0.959 60 1.149 105 1.359 - 29 0.790 16 0.963 61 1.153 106 1.364 - 28 0.794 17 0.967 62 1.158 107 1.369 - 27 0.797 18 0.971 63 1.162 108 1.374 - 26 0.801 19 0.975 64 1.167 109 1.379 - 25 0.805 20 0.980 65 1.171 110 1.384 - 24 0.808 21 0.984 66 1.176 111 1.389 - 23 0.812 22 0.988 67 1.180 112 1.394 - 22 0.816 23 0.992 68 1.185 113 1.399 - 21 0.820 24 0.996 69 1.189 114 1.404 - 20 0.823 25 1.000 70 1.194 115 1.409 - 19 0.827 26 1.004 71 1.198 116 1.414 - 18 0.831 27 1.008 72 1.203 117 1.419 - 17 0.834 28 1.012 73 1.208 118 1.424 - 16 0.838 29 1.017 74 1.212 119 1.429 - 15 0.842 30 1.021 75 1.217 120 1.434 - 14 0.846 31 1.025 76 1.221 121 1.439 - 13 0.850 32 1.029 77 1.226 122 1.444 - 12 0.853 33 1.033 78 1.230 123 1.450 - 11 0.857 34 1.037 79 1.235 124 1.455 125 1.460 ratio tolerances low temperature high temperature tolerance - 55 c 4 % - 40 c + 125 c 3 % - 20 c + 85 c 2 % 0 c + 55 c 1 % + 12 c + 40 c 0.5 %
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