KTY81-1SERIES_3
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−40
0.96
558
582
606
±4.3
−30
−22
0.93
614
639
664
±4.16
−20
−4
0.91
675
701
726
±4.01
−10
14
0.88
740
766
792
±3.84
0
32
0.85
809
835
861
±3.67
10
50
0.83
882
908
934
±3.48
20
68
0.80
959
985
1011
±3.28
25
77
0.79
1000
1025
1050
±3.18
30
86
0.78
1038
1066
1093
±3.33
40
104
0.75
1119
1150
1182
±3.64
50
122
0.73
1203
1239
1275
±3.97
60
140
0.71
1290
1331
1372
±4.31
70
158
0.69
1381
1427
1473
±4.67
80
176
0.67
1476
1527
1578
±5.05
90
194
0.65
1573
1631
1688
±5.43
100
212
0.63
1674
1738
1802
±5.84
110
230
0.61
1779
1850
1921
±6.3
120
248
0.58
1884
1963
2041
±6.94
125
257
0.55
1937
2 019
2101
±7.38
130
266
0.52
1988
2074
2160
±7.94
140
284
0.45
2084
2178
2271
±9.63
150
302
0.35
2165
2266
2367
±12.88
2000 Aug 25
8
Philips Semiconductors
Product specification
Silicon temperature sensors
KTY81-1 series
Fig.2 Maximum expected temperature error (
∆T).
handbook, halfpage
−50
150
15
5
−15
−5
10
0
−10
0
50
100
MGG696
Tamb (°C)
∆T
(K)
KTY81-151
-152
KTY81-120
KTY81-110
-121
-122
Fig.3
Sensor resistance as a function of ambient
temperature; average values.
Icont = 1 mA.
handbook, halfpage
2.4
0
−100
−50
0
R
(k
Ω)
Tamb (°C)
50
100
150
200
MSA923
1.6
0.8
Fig.4
Sensor resistance as a function of operating
current.
To keep the temperature error low, an operating current of
Icont = 1 mA is recommended for temperatures above 100 °C.
handbook, halfpage
3
2
1
0
MGG699
1
10
10−1
Icont (mA)
R
(k
Ω)
150 °C
50 °C
25 °C
0 °C
125 °C
75 °C
−25 °C
−50 °C
100 °C
Fig.5
Maximum operating current for safe
operation.
handbook, halfpage
−50
0
50
150
12
0
4
8
100
MGG705
Tamb (°C)
Icont
(mA)
2000 Aug 25
9
Philips Semiconductors
Product specification
Silicon temperature sensors
KTY81-1 series
Fig.6
Deviation of sensor resistance as a function
of operating current in still liquid.
Tamb = 25 °C.
handbook, halfpage
2
20
10
0
−10
0
1
MGG704
Icont (mA)
∆R
(
Ω)
APPLICATION INFORMATION
SYMBOL
PARAMETER
CONDITIONS
TYP.
UNIT
∆R
25
drift of sensor resistance at 25
°C
10000 hours continuous operation;
Tamb = 150 °C
1.6
Ω
2000 Aug 25
10
Philips Semiconductors
Product specification
Silicon temperature sensors
KTY81-1 series
PACKAGING
Sensors in SOD70 encapsulation are delivered in bulk packaging and also in reel packaging for automatic placement on
hybrid circuits and printed-circuit boards (see Figs 7 and 8).
Note: Types in bulk packaging have a lead-to-lead distance of 2.54 millimetres. The lead-to-lead distance of types
packaged on reel is 5.08 millimetres for spread lead types and 2.54 millimetres for straight lead types.
Fig.7 Configuration of bandolier: spread leads.