this specification provides three crystal hefei electronics co., ltd. production mf5a - 3 - type ntc thermistor product performance, test conditions, size description, please confirm your company. on the specification of doubt, please contact us promptly. c hange the use of your company uses, the role of method, please contact us. 1. v olume no q/sj06.02.x023.01.10 version 1.0 phone 0755 - 25584699 fax 0755 - 25560780 website www.sensing.com.cn mail sjszb2002@126.com 1. size and device characteristics d max l2 max d l 1 3. 0 mm 4mm 0.4 0.05 mm 25 5 mm encap sulation materials: epoxy resin le ad material: tinned copper wire component color: black q/sj06.01.b.103 - 3950 item symbol test conditions min. nor. max . units 1 25 resistance r 25 t a =25 0.05 p t 0.1mw 44.65 47 49.35 k 2 b value b _ 3871 3 95 0 4029 k 3 dissipation coefficient t a =25 0.5 2.5 / / mw/ 4 time constant t a =25 0.5 / / 10 sec d l2 l1 d www.datasheet.co.kr datasheet pdf - http://www..net/
5. use of item range units 1 temperature - 30 +1 50 2 maximum current 1.0 ma 3 normal current 200 a 6. material properties 6.1 lead tensile test test conditions test results fixed resistor si de, hanging 0.5kg stretch for 10 seconds no cracking, breakage ok 6.2 lead bend test test conditions test results fixed resistor side, hanging 0.5kg bent so that leads 90 0 no cracking, breakage ok 7. reliability test i tem test conditions range test the tempe rature reproducibility - 40 20min 25 +110 20min 25 repeated 5 times 2% drift test 1.0ma 40 days 2% 8. points to note long - term continuous thermistor temperature range allowed by - 30 + 150 . 9. resistance - temperature characteristics of the table www.datasheet.co.kr datasheet pdf - http://www..net/
r - t table r 25 = 10.00k b 25/50 =3950k t() r(k) t() r(k) t() r(k) t() r(k) t() r(k) - 30 184.9 12 18.41 54 3.088 96 0.7748 138 0.2594 - 29 174.5 13 17.53 55 2.976 97 0.7525 139 0.2533 - 28 164.8 14 16.70 56 2.869 98 0.7 309 140 0.2473 - 27 155.5 15 15.91 57 2.767 99 0.7101 141 0.2416 - 26 146.9 16 15.17 58 2.668 100 0.6900 142 0.2359 - 25 138.7 17 14.47 59 2.574 101 0.6710 143 0.2305 - 24 131.0 18 13.80 60 2.484 102 0.6526 144 0.2 251 - 23 123.7 19 13.17 61 2.397 103 0.6349 145 0.2200 - 22 116.9 20 12.57 62 2.314 104 0.6177 146 0.2149 - 21 110.5 21 12.00 63 2.234 105 0.6011 147 0.2101 - 20 104.4 22 11.46 64 2.157 106 0.5850 148 0.2053 - 19 9 8.68 23 10.95 65 2.083 107 0.5694 149 0.2007 - 18 93.29 24 10.46 66 2.012 108 0.5543 150 0.1962 - 17 87.78 25 10.00 67 1.944 109 0.5397 151 0.1919 - 16 82.59 26 9.566 68 1.879 110 0.5255 152 0.1878 - 15 77.75 27 9. 154 69 1.816 111 0.5118 153 0.1838 - 14 73.31 28 8.762 70 1.756 112 0.4985 154 0.1799 - 13 69.28 29 8.389 71 1.698 113 0.4856 155 0.1761 - 12 65.51 30 8.034 72 1.642 114 0.4731 156 0.1724 - 11 62.00 31 7.697 73 1.588 115 0.4610 157 0.1688 - 10 58.67 32 7.376 74 1.537 116 0.4492 158 0.1653 - 9 55.49 33 7.070 75 1.487 117 0.4378 159 0.1619 - 8 52.49 34 6.779 76 1.439 118 0.4268 160 0.1585 - 7 49.67 35 6.502 77 1.393 119 0.4 160 161 0.1553 - 6 47.01 36 6.237 78 1.349 120 0.4056 162 0.1521 - 5 44.50 37 5.986 79 1.306 121 0.3955 163 0.1490 - 4 42.14 38 5.745 80 1.265 122 0.3857 164 0.1460 - 3 39.92 39 5.516 81 1.226 123 0.3762 165 0.1431 - 2 37.82 40 5.298 82 1.187 124 0.3670 166 0.1402 - 1 35.84 41 5.089 83 1.151 125 0.3580 167 0.1374 0 33.97 42 4.890 84 1.115 126 0.3490 168 0.1347 1 32.22 43 4.700 85 1.081 127 0.3403 169 0.1320 2 30.56 44 4 .518 86 1.048 128 0.3318 170 0.1294 3 29.01 45 4.345 87 1.016 129 0.3235 171 0.1269 4 27.54 46 4.179 88 0.9850 130 0.3155 172 0.1244 5 26.15 47 4.021 89 0.9553 131 0.3078 173 0.1220 6 24.85 48 3.869 90 0.9266 132 0.3003 174 0.1196 7 23.61 49 3.724 91 0.8990 133 0.2929 175 0.1173 8 22.45 50 3.586 92 0.8723 134 0.2858 176 0.1150 9 21.35 51 3.453 93 0.8466 135 0.2789 177 0.1128 10 20.31 52 3.326 94 0.8218 136 0.2723 17 8 0.1106 11 19.33 53 3.204 95 0.7979 137 0.2658 179 0.1084 www.datasheet.co.kr datasheet pdf - http://www..net/
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