KTY81-2SERIES_4
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959
1005
1050
±4.52
−50
−58
0.98
1009
1055
1102
±4.45
−40
−40
0.96
1115
1163
1211
±4.3
−30
−22
0.93
1229
1278
1328
±4.16
−20
−4
0.91
1351
1401
1452
±4.01
−10
14
0.88
1480
1532
1584
±3.84
0
32
0.85
1618
1670
1723
±3.67
10
50
0.83
1764
1817
1869
±3.48
20
68
0.80
1919
1970
2022
±3.28
25
77
0.79
2000
2050
2100
±3.18
30
86
0.78
2077
2132
2187
±3.33
40
104
0.75
2238
2301
2364
±3.64
50
122
0.73
2406
2478
2549
±3.97
60
140
0.71
2581
2662
2743
±4.31
70
158
0.69
2763
2854
2946
±4.67
80
176
0.67
2 951
3054
3157
±5.05
90
194
0.65
3147
3262
3376
±5.43
100
212
0.63
3349
3477
3605
±5.84
110
230
0.59
3556
3 697
3839
±6.45
120
248
0.53
3756
3912
4068
±7.53
125
257
0.49
3850
4013
4177
±8.33
130
266
0.44
3937
4108
4278
±9.4
140
284
0.33
4087
4271
4455
±12.96
150
302
0.20
4191
4387
4583
±22.02
2000 Aug 25
8
Philips Semiconductors
Product specification
Silicon temperature sensors
KTY81-2 series
Fig.2 Maximum expected temperature error (
∆T).
handbook, halfpage
−50
150
15
5
−15
−5
10
0
−10
0
50
100
MGG695
Tamb (°C)
∆T
(K)
KTY81-251
-252
KTY81-220
KTY81-210
-221
-222
Fig.3
Sensor resistance as a function of ambient
temperature; average values.
Icont = 1 mA.
handbook, halfpage
4.8
0
−100
−50
0
R
(k
Ω)
Tamb (°C)
50
100
150
200
MSA922
3.2
1.6
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
5
4
2
0
3
1
MGG700
1
10
10−1
Icont (mA)
R
(k
Ω)
25 °C
0 °C
−50 °C
150 °C
100 °C
50 °C
125 °C
75 °C
−25 °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
KTY81-2 series
Fig.6
Deviation of sensor resistance as a function
of operating current in still liquid.
Tamb = 25 °C.
handbook, halfpage
2
30
20
10
0
−10
0
1
MGG703
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
3.2
Ω
2000 Aug 25
10
Philips Semiconductors
Product specification
Silicon temperature sensors
KTY81-2 series
PACKAGING
Sensors in SOD70 encapsulation are delivered in bulk packaging, and also 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.