Tables of Resistance vs Temperature
Material code B (K)
T
(°C)
NC 4080
TF (%)
NE 4100
TF (%)
N5
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
105.44
72.89
51.04
36.18
24.0
20.7
17.8
15.2
- 7.5
- 7.2
- 7.0
- 6.7
97.27
67.99
48.08
34.39
24.1
20.8
17.9
15.3
- 7.2
- 7.0
- 6.8
- 6.5
115.8
79.70
55.53
39.14
16.3
14.1
12.1
10.4
- 7.83
- 7.56
- 7.30
- 7.06
- 55
- 50
- 45
- 40
- 35
- 30
- 25
- 20
25.94
18.81
13.78
10.20
12.9
10.9
9.1
- 6.5
- 6.3
- 6.1
- 5.9
24.85
18.15
13.38
9.96
13.0
11.0
9.2
- 6.3
- 6.1
- 6.0
- 5.8
27.90
20.11
14.64
10.77
8.8
7.4
6.2
5.1
- 6.82
- 6.60
- 6.38
- 6.17
- 35
- 30
- 25
- 20
7.5
7.6
- 15
- 10
- 5
0
7.621
5.748
4.373
3.355
6.1
4.9
3.8
2.9
- 5.7
- 5.5
- 5.4
- 5.2
7.479
5.664
4.325
3.328
6.2
4.9
3.8
2.9
- 5.6
- 5.4
- 5.3
- 5.1
7.995
5.991
4.529
3.453
4.2
3.3
2.6
2.0
- 5.97
- 5.78
- 5.60
- 5.43
- 15
- 10
- 5
0
5
10
15
20
2.595
2.023
1.588
1.256
2.1
1.4
0.9
0.4
- 5.0
- 4.9
- 4.7
- 4.6
2.581
2.016
1.585
1.255
2.1
1.4
0.9
0.4
- 5.0
- 4.9
- 4.7
- 4.6
2.655
2.057
1.606
1.263
1.4
1.0
.6
- 5.26
- 5.10
- 4.95
- 4.80
5
10
15
20
.3
25
30
35
40
1.0000
.8014
.6463
.5243
0.0
0.4
0.8
1.3
- 4.5
- 4.4
- 4.2
- 4.1
1.0000
.8017
.6466
.5245
0.0
0.4
0.8
1.3
- 4.5
- 4.3
- 4.2
- 4.1
1.0000
.7973
.6398
.5167
0.0
- 4.65
- 4.52
- 4.39
- 4.26
25
30
35
40
.3
.5
.9
45
50
55
60
.4278
.3510
.2896
.2401
1.8
2.3
2.9
3.5
- 4.0
- 3.9
- 3.8
- 3.7
.4278
.3508
.2891
.2394
1.8
2.3
2.9
3.5
- 4.0
- 3.9
- 3.8
- 3.7
.4198
.3430
.2819
.2329
1.2
1.6
2.0
2.4
- 4.14
- 4.02
- 3.91
- 3.80
45
50
55
60
65
70
75
80
.2001
.1675
.1409
.1190
4.1
4.8
5.5
6.2
- 3.6
- 3.5
- 3.4
- 3.3
.1992
.1666
.1399
.11794
4.2
4.8
5.5
6.2
- 3.6
- 3.5
- 3.4
- 3.4
.1934
.1615
.1354
.1141
2.8
3.3
3.7
4.2
- 3.69
- 3.59
- 3.50
- 3.40
65
70
75
80
85
.1010
6.9
7.6
8.3
9.1
- 3.2
- 3.2
- 3.1
- 3.0
.09987
.08491
.07246
.06207
6.9
7.6
8.4
9.1
- 3.3
- 3.2
- 3.1
- 3.1
.09660
.08212
.07011
.06010
4.7
5.2
5.7
6.2
- 3.31
- 3.23
- 3.14
- 3.06
85
90
.08605
.07360
.06319
90
95
100
95
100
105
110
115
120
.05446
.04710
.04087
.03559
9.8
10.6
11.3
12.1
- 2.9
- 2.9
- 2.8
- 2.7
.05336
.04604
.03985
.03461
9.9
10.6
11.4
12.2
-3.0
- 2.9
- 2.8
- 2.8
.05172
.04467
.03873
.03370
6.7
7.2
7.7
8.2
- 2.98
- 2.91
- 2.83
- 2.76
105
110
115
120
125
130
135
140
.03109
.02724
.02394
.02111
12.9
13.7
14.4
15.2
- 2.7
- 2.6
- 2.5
- 2.5
.03015
.02635
.02309
.02030
12.9
13.7
14.5
15.3
-2.7
- 2.7
- 2.6
- 2.5
.02942
.02576
.02264
.01995
8.8
- 2.70
- 2.63
- 2.57
- 2.51
125
130
135
140
9.3
9.8
10.3
145
150
.01866
.01654
16.0
16.8
- 2.4
- 2.4
.01789
.01581
16.1
16.8
- 2.5
- 2.4
.01764
.01564
10.9
11.4
- 2.45
- 2.39
145
150
Material code B (K)
PA 4235
T
(°C)
P 4220
TF (%)
Q 4300
TF (%)
T
(°C)
R (T) / R25
α (%/°C)
R (T) / R25
TF (%)
α (%/°C)
R (T) / R25
α (%/°C)
- 55
- 50
- 45
- 40
121.3
83.32
57.91
40.71
24.8
21.4
18.4
15.8
- 7.88
- 7.61
- 7.36
- 7.11
23.3
8.3
7.2
6.2
5.3
- 8.00
- 7.71
- 7.43
-7.17
98.02
69.51
49.72
35.86
25.5
22.0
18.9
16.2
- 7.14
- 6.95
- 6.77
- 6.59
- 55
- 50
- 45
- 40
84.31
58.37
40.92
- 35
- 30
- 25
- 20
28.95
20.80
15.10
11.07
13.4
11.3
9.4
- 6.88
- 6.66
- 6.44
- 6.24
29.03
20.83
15.10
11.07
4.5
3.8
3.2
2.6
- 6.92
- 6.69
- 6.46
- 6.25
26.08
19.12
14.12
10.51
13.7
11.6
9.7
- 6.42
- 6.26
- 6.10
- 5.94
- 35
- 30
- 25
- 20
7.8
8.0
- 15
- 10
- 5
0
8.196
6.123
4.615
3.507
6.3
5.1
4.0
3.0
- 6.04
- 5.85
- 5.67
- 5.49
8.189
6.117
4.610
3.504
2.1
1.7
1.3
1.0
- 6.05
- 5.85
- 5.67
- 5.49
7.876
5.946
4.520
3.460
6.5
5.2
4.1
3.1
- 5.79
- 5.64
- 5.50
- 5.36
- 15
- 10
- 5
0
5
10
15
20
2.688
2.078
1.616
1.267
2.2
1.5
.9
- 5.33
- 5.16
- 5.01
- 4.86
2.686
2.075
1.615
1.266
.7
.5
.3
.1
- 5.32
- 5.16
- 5.01
- 4.86
2.666
2.067
1.613
1.266
2.2
1.5
.9
- 5.23
- 5.09
- 4.96
- 4.84
5
10
15
20
.4
.4
25
30
35
40
1.0000
.7949
.6360
.5120
0.0
- 4.72
- 4.58
- 4.45
- 4.32
1.0000
.7949
.6359
.5119
0.0
- 4.72
- 4.58
- 4.45
- 4.32
1.0000
.7944
.6347
.5099
0.0
- 4.72
- 4.60
- 4.48
- 4.37
25
30
35
40
.4
.1
.4
.8
1.3
.3
.4
.8
1.3
45
50
55
60
.4148
.3380
.2769
.2282
1.8
2.4
3.0
3.6
- 4.20
- 4.06
- 3.96
- 3.86
.4145
.3376
.2765
.2276
.6
- 4.20
- 4.09
- 3.98
- 3.87
.4119
.3345
.2730
.2239
1.9
2.5
3.1
3.7
- 4.26
- 4.15
- 4.05
- 3.95
45
50
55
60
.8
1.0
1.2
65
70
75
80
.1890
.1573
.1316
.1106
4.3
5.0
5.7
6.4
- 3.75
- 3.65
- 3.55
- 3.45
.1883
.1566
.1308
.1098
1.4
1.7
1.9
2.1
- 3.77
- 3.67
- 3.58
- 3.48
.1846
.1529
.1272
.1063
4.4
5.1
5.8
6.5
- 3.85
- 3.75
- 3.66
- 3.57
65
70
75
80
85
.09338
.07919
.06744
.05767
7.1
7.9
8.6
9.4
- 3.36
- 3.28
- 3.19
- 3.11
.09258
.07838
.06662
.05686
2.4
2.6
2.9
3.1
- 3.40
- 3.31
- 3.23
- 3.15
.08928
.07527
.06373
.05417
7.3
8.1
8.8
9.6
- 3.48
- 3.39
- 3.31
- 3.23
85
90
90
95
100
95
100
105
110
115
120
.04951
.04267
.03691
.03204
10.2
10.9
11.7
12.5
- 3.03
- 2.95
- 2.88
- 2.81
.04871
.04189
.03614
.03130
3.4
3.7
3.9
4.2
- 3.07
- 3.00
- 2.93
- 2.86
.04623
.03961
.03405
.02939
10.4
11.2
12.0
12.9
- 3.15
- 3.07
- 3.00
- 2.93
105
110
115
120
125
130
135
140
.02791
.02440
.02139
.01882
13.3
14.1
14.9
15.7
- 2.74
- 2.67
- 2.61
- 2.55
.02719
.02370
.02072
.01817
4.5
4.7
5.0
5.3
- 2.79
- 2.73
- 2.67
- 2.61
.02545
.02211
.01928
.01686
13.7
14.5
15.3
16.1
- 2.86
- 2.79
- 2.72
- 2.66
125
130
135
140
145
150
.01660
.01469
16.5
17.3
- 2.49
- 2.43
.01598
.01410
5.5
5.8
- 2.55
- 2.49
.01479
.01302
17.0
17.8
- 2.60
- 2.54
145
150
31
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