Document Number: 29048
Revision: 15-Jun-04
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69
2322 640 5....
Vishay BCcomponents
NTC Thermistors, Accuracy Line
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
0.4202
0.3431
0.2816
0.2322
0.1925
0.1602
0.1340
0.1126
0.09496
0.08042
0.06837
0.05835
0.04998
0.04296
0.03705
0.03206
0.02783
1.32
1.63
1.93
2.22
2.51
2.79
3.06
3.33
3.59
3.85
4.10
4.35
4.59
4.82
5.05
5.28
5.50
4.11
4.00
3.90
3.80
3.71
3.62
3.53
3.45
3.36
3.28
3.21
3.13
3.06
2.99
2.92
2.86
2.80
28.57
23.33
19.15
15.79
13.09
10.90
9.114
7.655
6.457
5.469
4.649
3.968
3.399
2.921
2.519
2.180
1.892
42.02
34.31
28.16
23.22
19.25
16.03
13.40
11.26
9.496
8.042
6.837
5.835
4.998
4.296
3.705
3.206
2.783
T
amb
(
°
C)
R
T
/R
25
R DUE TO
B-TOLERANCE
(%)
TC
(%/K)
R
25
2322 640 .....;
see note 1
6.683
6.104
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R
25
AT 470 K
R DUE TO
B-TOLERANCE
(%)
40
48.62
6.22
35
34.19
5.63
30
24.28
5.06
25
17.42
4.51
20
12.61
3.98
15
9.211
3.47
10
6.788
2.98
5
5.045
2.51
0
3.781
2.06
5
2.855
1.62
10
2.173
1.19
15
1.666
0.78
20
1.286
0.38
25
1.000
0.00
30
0.7825
0.37
35
0.6163
0.74
40
0.4883
1.09
45
0.3892
1.44
50
0.3120
1.77
55
0.2515
2.10
60
0.2038
2.43
65
0.1660
2.74
70
0.1359
3.05
75
0.1118
3.35
80
0.09240
3.64
85
0.07670
3.93
90
0.06395
4.21
95
0.05354
4.48
100
0.04501
4.75
105
0.03798
5.01
110
0.03218
5.27
115
0.02736
5.52
120
0.02335
5.77
125
0.01999
6.01
Note
1.
Replace dot in last 5 digits of catalog number by a number according to the following details and depending on tolerance on
required R
25
-value: 4 for a tolerance of
±
2%; 6 for a tolerance of
±
3%; 3 for a tolerance of
±
5%; 2 for a tolerance of
±
10%.
T
amb
(
°
C)
R
T
/R
25
TC
(%/K)
R
25
2322 640 .....;
see note 1
5.474
22850
16068
11413
8185
4329
3190
2371
1776
1342
1021
783.0
604.6
470.0
367.8
289.6
229.5
182.9
146.7
118.2
95.80
78.03
63.88
52.55
43.43
36.05
30.06
25.16
21.15
17.85
15.12
12.86
10.97
9.396
7.13
6.91
6.71
6.52
6.33
6.15
5.98
5.82
5.66
5.50
5.36
5.22
5.08
4.95
4.82
4.70
4.59
4.47
4.36
4.26
4.15
4.06
3.96
3.87
3.78
3.69
3.61
3.53
3.45
3.37
3.30
3.23
3.16
3.09