Datasheet

KTY81_SER_5 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 05 — 25 April 2008 8 of 15
NXP Semiconductors
KTY81 series
Silicon temperature sensors
Table 11. Ambient temperature, corresponding resistance, temperature coefficient and maximum expected
temperature error for KTY81/221 and KTY81/222
I
sen(cont)
= 1 mA.
Ambient
temperature
Temperature
coefficient
(%/K)
KTY81/221 KTY81/222
(°C) (°F) Resistance (Ω) Temperature
error (K)
Resistance (Ω) Temperature
error (K)
Min Typ Max Min Typ Max
−55 −67 0.99 941 970 999 ±3.02 960 990 1020 ±3.02
−50 −58 0.98 990 1019 1049 ±2.92 1010 1040 1070 ±2.92
−40 −40 0.96 1094 1123 1153 ±2.74 1116 1146 1176 ±2.74
−30 −22 0.93 1205 1235 1264 ±2.55 1230 1260 1290 ±2.55
−20 −4 0.91 1325 1354 1382 ±2.35 1352 1381 1410 ±2.35
−10 14 0.88 1452 1480 1508 ±2.14 1481 1510 1538 ±2.14
0 32 0.85 1587 1613 1640 ±1.91 1619 1646 1673 ±1.91
10 50 0.83 1730 1754 1779 ±1.67 1765 1790 1815 ±1.67
20 68 0.80 1882 1903 1924 ±1.41 1920 1941 1963 ±1.41
25 77 0.79 1960 1980 2000 ±1.27 2000 2020 2040 ±1.27
30 86 0.78 2037 2059 2081 ±1.39 2078 2100 2123 ±1.39
40 104 0.75 2195 2222 2250 ±1.64 2239 2267 2295 ±1.64
50 122 0.73 2360 2393 2426 ±1.91 2407 2441 2475 ±1.91
60 140 0.71 2531 2571 2611 ±2.19 2582 2623 2664 ±2.19
70 158 0.69 2710 2757 2804 ±2.49 2764 2812 2860 ±2.49
80 176 0.67 2895 2950 3005 ±2.8 2953 3009 3065 ±2.8
90 194 0.65 3086 3150 3214 ±3.12 3149 3214 3279 ±3.12
100 212 0.63 3285 3358 3431 ±3.46 3351 3426 3501 ±3.46
110 230 0.59 3488 3571 3655 ±3.93 3558 3643 3728 ±3.93
120 248 0.53 3684 3779 3873 ±4.7 3759 3855 3951 ±4.7
125 257 0.49 3776 3876 3976 ±5.26 3853 3955 4056 ±5.26
130 266 0.44 3862 3967 4073 ±6 3940 4048 4155 ±6
140 284 0.33 4009 4125 4241 ±8.45 4090 4208 4326 ±8.45
150 302 0.20 4112 4237 4363 ±14.63 4195 4323 4451 ±14.63