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PDF KTY81 Data sheet ( Hoja de datos )
| Número de pieza | KTY81 | |
| Descripción | Silicon temperature sensors | |
| Fabricantes | NXP Semiconductors | |
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KTY81 series
Silicon temperature sensors
Rev. 05 — 25 April 2008
Product data sheet
1. Product profile
CAUTION
1.1 General description
The temperature sensors in the KTY81 series have a positive temperature coefficient of
resistance and are suitable for use in measurement and control systems. The sensors are
encapsulated in the SOD70 2 in-line leads plastic package.
Other special selections are available on request.
This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken
during transport and handling.
1.2 Features
I High accuracy and reliability
I Positive temperature coefficient;
fail-safe behavior
I Long-term stability
I Virtually linear characteristics
1.3 Quick reference data
Table 1. Quick reference data
Tamb = 25 °C; in liquid; unless otherwise specified.
Symbol Parameter
Conditions
R25 sensor resistance
Isen(cont) = 1 mA
KTY81/110
KTY81/120
KTY81/121
KTY81/122
KTY81/150
KTY81/210
KTY81/220
KTY81/221
KTY81/222
KTY81/250
Min Typ Max Unit
990
980
980
1 000
950
1 980
1 960
1 960
2 000
1 900
-
-
-
-
-
-
-
-
-
-
1 010
1 020
1 000
1 020
1 050
2 020
2 040
2 000
2 040
2 100
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
1 page  
NXP Semiconductors
KTY81 series
Silicon temperature sensors
Table 8. Ambient temperature, corresponding resistance, temperature coefficient and maximum expected
temperature error for KTY81/121 and KTY81/122
Isen(cont) = 1 mA.
Ambient
temperature
(°C) (°F)
Temperature KTY81/121
coefficient
(%/K)
Resistance (Ω)
Min Typ
Max
KTY81/122
Temperature Resistance (Ω)
error (K) Min Typ
Max
Temperature
error (K)
−55 −67 0.99
471 485 500 ±3.02
480 495 510 ±3.02
−50 −58 0.98
495 510 524 ±2.92
505 520 535 ±2.92
−40 −40 0.96
547 562 576 ±2.74
558 573 588 ±2.74
−30 −22 0.93
603 617 632 ±2.55
615 630 645 ±2.55
−20 −4
0.91
662 677 691 ±2.35
676 690 705 ±2.35
−10 14
0.88
726 740 754 ±2.14
741 755 769 ±2.14
0 32 0.85
794 807 820 ±1.91
810 823 836 ±1.91
10 50 0.83
865 877 889 ±1.67
883 895 907 ±1.67
20 68 0.80
941 951 962 ±1.41
960 971 982 ±1.41
25 77 0.79
980 990 1000 ±1.27
1000 1010 1020 ±1.27
30 86 0.78
1018 1029 1041 ±1.39
1039 1050 1062 ±1.39
40 104 0.75
1097 1111 1125 ±1.64
1120 1134 1148 ±1.64
50 122 0.73
1180 1196 1213 ±1.91
1204 1221 1238 ±1.91
60 140 0.71
1266 1286 1305 ±2.19
1291 1312 1332 ±2.19
70 158 0.69
1355 1378 1402 ±2.49
1382 1406 1430 ±2.49
80 176 0.67
1447 1475 1502 ±2.8
1477 1505 1533 ±2.8
90 194 0.65
1543 1575 1607 ±3.12
1574 1607 1639 ±3.12
100 212 0.63
1642 1679 1716 ±3.46
1676 1713 1750 ±3.46
110 230 0.61
1745 1786 1828 ±3.83
1780 1823 1865 ±3.83
120 248 0.58
1849 1896 1943 ±4.33
1886 1934 1982 ±4.33
125 257 0.55
1900 1950 2000 ±4.66
1938 1989 2041 ±4.66
130 266 0.52
1950 2003 2056 ±5.07
1989 2044 2098 ±5.07
140 284 0.45
2044 2103 2162 ±6.28
2085 2146 2206 ±6.28
150 302 0.35
2124 2189 2254 ±8.55
2167 2233 2299 ±8.55
KTY81_SER_5
Product data sheet
Rev. 05 — 25 April 2008
© NXP B.V. 2008. All rights reserved.
5 of 15
5 Page 
NXP Semiconductors
KTY81 series
Silicon temperature sensors
12
Isen(cont)
(mA)
8
mgg705
4
0
−50
0
50 100 150
Tamb (°C)
Fig 3. Maximum operating current for safe operation
7. Package outline
4.2
3.6
4.8
4.4
5.2
5.0
Dimensions in mm
2.5
max
0.7
0.5
14.5
12.7
Fig 4. Minimized package outline SOD70
0.45
0.40
1
0.48 2.54
2 0.40
06-09-15
KTY81_SER_5
Product data sheet
Rev. 05 — 25 April 2008
© NXP B.V. 2008. All rights reserved.
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