NXP KTY82/110, KTY82/120, KTY82/121, KTY82/122, KTY82/150 Schematic [ru]
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KTY82 series
Silicon temperature sensors
Rev. 04 — 14 January 2008 Product data sheet
1. Product profile
1.1 General description
The temperature sensors in the KTY82 series have a positive temperature coefficient of
resistance and are suitable foruseinmeasurementandcontrolsystems. The sensors are
encapsulated in the small plastic Surface Mounted Device (SMD) SOT23 package.
Other special selections are available on request.
1.2 Features
n High accuracy and reliability n Long-term stability
n Positive temperature coefficient;
fail-safe behavior
n Virtually linear characteristics
1.3 Quick reference data
Table 1. Quick reference data
T
=25°C; in liquid; unless otherwise specified.
amb
Symbol Parameter Conditions Min Typ Max Unit
R
25
sensor resistance I
sen(cont)
=1mA
KTY82/110 990 - 1010 Ω
KTY82/120 980 - 1020 Ω
KTY82/121 980 - 1000 Ω
KTY82/122 1000 - 1020 Ω
KTY82/150 950 - 1050 Ω
KTY82/151 950 - 1000 Ω
KTY82/210 1980 - 2020 Ω
KTY82/220 1960 - 2040 Ω
KTY82/221 1960 - 2000 Ω
KTY82/222 2000 - 2040 Ω
KTY82/250 1900 - 2100 Ω
KTY82/251 1900 - 2000 Ω
KTY82/252 2000 - 2100 Ω
NXP Semiconductors
2. Pinning information
Table 2. Pinning
Pin Description Simplified outline
1 electrical contact
2 electrical contact
3 substrate (must remain potential free)
3. Ordering information
Table 3. Ordering information
Type number Package
KTY82/110 - plastic surface-mounted package; 3 leads SOT23
KTY82/120
KTY82/121
KTY82/122
KTY82/150
KTY82/151
KTY82/210
KTY82/220
KTY82/221
KTY82/222
KTY82/250
KTY82/251
KTY82/252
KTY82 series
Silicon temperature sensors
3
12
Name Description Version
KTY82_SER_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 14 January 2008 2 of 17
NXP Semiconductors
4. Marking
Table 4. Marking codes
Type number Marking code
KTY82/110 110
KTY82/120 120
KTY82/121 121
KTY82/122 122
KTY82/150 150
KTY82/151 151
KTY82/210 210
KTY82/220 220
KTY82/221 221
KTY82/222 222
KTY82/250 250
KTY82/251 251
KTY82/252 252
KTY82 series
Silicon temperature sensors
5. Limiting values
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
I
sen(cont)
T
amb
continuous sensor current in free air; T
in free air; T
ambient temperature −55 +150 °C
=25°C - 10 mA
amb
= 150 °C-2mA
amb
KTY82_SER_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 14 January 2008 3 of 17
NXP Semiconductors
KTY82 series
Silicon temperature sensors
6. Characteristics
Table 6. Characteristics
T
=25°C; in liquid; unless otherwise specified.
amb
Symbol Parameter Conditions Min Typ Max Unit
R
25
sensor resistance I
sen(cont)
TC temperature coefficient - 0.79 - %/K
R
100/R25
R
−55/R25
∆R
25
τ
th
resistance ratio T
resistance ratio T
drift of sensor resistance at
25 °C
10000 h continuous
operation; T
thermal time constant in still air
in still liquid
in flowing liquid
=1mA
KTY82/110 990 - 1010 Ω
KTY82/120 980 - 1020 Ω
KTY82/121 980 - 1000 Ω
KTY82/122 1000 - 1020 Ω
KTY82/150 950 - 1050 Ω
KTY82/151 950 - 1000 Ω
KTY82/210 1980 - 2020 Ω
KTY82/220 1960 - 2040 Ω
KTY82/221 1960 - 2000 Ω
KTY82/222 2000 - 2040 Ω
KTY82/250 1900 - 2100 Ω
KTY82/251 1900 - 2000 Ω
KTY82/252 2000 - 2100 Ω
= 100 °C and 25 °C 1.676 1.696 1.716
amb
= −55 °C and 25 °C 0.480 0.490 0.500
amb
= 150 °C
amb
KTY82/1 series - 1.6 - Ω
KTY82/2 series - 3.2 - Ω
[1]
-7-s
[1]
-1-s
[1]
- 0.5 - s
[1] The thermal time constant is the time taken for the sensor to reach 63.2 % of the total temperature difference. For example, if a sensor
with a temperature of 25 °C is moved to an environment with an ambient temperature of 100 °C, the time for the sensor to reach a
temperature of 72.4 °C is the thermal time constant.
KTY82_SER_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 14 January 2008 4 of 17
NXP Semiconductors
KTY82 series
Silicon temperature sensors
Table 7. Ambient temperature, corresponding resistance, temperature coefficient and maximum expected
temperature error for KTY82/110 and KTY82/120
I
sen(cont)
Ambient
temperature
(°C) (°F) Resistance (Ω) Temperature
−55 −67 0.99 475 490 505 ±3.02 470 490 510 ±4.02
−50 −58 0.98 500 515 530 ±2.92 495 515 535 ±3.94
−40 −40 0.96 552 567 582 ±2.74 547 567 588 ±3.78
−30 −22 0.93 609 624 638 ±2.55 603 624 645 ±3.62
−20 −4 0.91 669 684 698 ±2.35 662 684 705 ±3.45
−10 14 0.88 733 747 761 ±2.14 726 747 769 ±3.27
0 32 0.85 802 815 828 ±1.91 793 815 836 ±3.08
10 50 0.83 874 886 898 ±1.67 865 886 907 ±2.88
20 68 0.80 950 961 972 ±1.41 941 961 982 ±2.66
25 77 0.79 990 1000 1010 ±1.27 980 1000 1020 ±2.54
30 86 0.78 1029 1040 1051 ±1.39 1018 1040 1061 ±2.68
40 104 0.75 1108 1122 1136 ±1.64 1097 1122 1147 ±2.97
50 122 0.73 1192 1209 1225 ±1.91 1180 1209 1237 ±3.28
60 140 0.71 1278 1299 1319 ±2.19 1265 1299 1332 ±3.61
70 158 0.69 1369 1392 1416 ±2.49 1355 1392 1430 ±3.94
80 176 0.67 1462 1490 1518 ±2.8 1447 1490 1532 ±4.3
90 194 0.65 1559 1591 1623 ±3.12 1543 1591 1639 ±4.66
100 212 0.63 1659 1696 1733 ±3.46 1642 1696 1750 ±5.05
110 230 0.61 1762 1805 1847 ±3.83 1744 1805 1865 ±5.48
120 248 0.58 1867 1915 1963 ±4.33 1848 1915 1982 ±6.07
125 257 0.55 1919 1970 2020 ±4.66 1899 1970 2040 ±6.47
130 266 0.52 1970 2023 2077 ±5.07 1950 2023 2097 ±6.98
140 284 0.45 2065 2124 2184 ±6.28 2043 2124 2205 ±8.51
150 302 0.35 2145 2211 2277 ±8.55 2123 2211 2299 ±11.43
= 1 mA.
Temperature
coefficient
(%/K)
KTY82/110 KTY82/120
Resistance (Ω) Temperature
Min Typ Max Min Typ Max
error (K)
error (K)
KTY82_SER_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 14 January 2008 5 of 17
NXP Semiconductors
KTY82 series
Silicon temperature sensors
Table 8. Ambient temperature, corresponding resistance, temperature coefficient and maximum expected
temperature error for KTY82/121 and KTY82/122
I
sen(cont)
Ambient
temperature
(°C) (°F) Resistance (Ω) Temperature
−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
= 1 mA.
Temperature
coefficient
(%/K)
KTY82/121 KTY82/122
Resistance (Ω) Temperature
Min Typ Max Min Typ Max
error (K)
error (K)
KTY82_SER_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 14 January 2008 6 of 17
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