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CT THERMISTOR
The CT thermistor is a thermal sensor in a DO35
package. Similar to the BT thermistor, it is highly
reliable and offers a wide operating range of
50 C to 250 C. It is primarily used in home electric
appliances
and features a competitive price for
full-automated manufacturing system.
512 CT- 4
Shape
CT-Thermistor
Rated zero-power resistance
at 25 C 512 : 5.1k
Part number
Dimensions
Resistance -Temperature
Glass encapsulated
0.5
Nickel-plated
4.0 max.
28 1
28 1
To allow automatic insertion, this product can be taped.
Temperature ( C)
Type
252CT
512CT
562CT
912CT
103CT
113CT
203CT
473CT
513CT
563CT
104CT
204CT
50
40
30
20
10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
120.2
65.60
36.48
20.91
12.32
7.516
4.738
3.074
2.045
1.393
0.9698
0.6895
0.4993
0.3680
0.2757
0.2098
0.1620
0.1267
0.1003
0.08028
0.06494
0.05302
0.04369
0.03630
0.03039
0.02562
137.9
81.02
48.93
30.56
19.65
12.96
8.779
6.080
4.296
3.095
2.267
1.687
1.270
0.9650
0.7402
0.5735
0.4493
0.3559
0.2847
0.2298
0.1870
0.1534
0.1267
0.1055
0.08833
0.07445
151.4
88.96
53.73
33.55
21.58
14.23
9.639
6.676
4.717
3.398
2.489
1.852
1.394
1.060
0.8128
0.6298
0.4933
0.3908
0.3126
0.2524
0.2053
0.1684
0.1391
0.1158
0.09699
0.08175
94.62
58.02
36.67
23.82
15.92
10.91
7.626
5.441
3.952
2.918
2.184
1.656
1.269
0.9787
0.7605
0.5952
0.4702
0.3750
0.3016
0.2444
0.1996
0.1643
0.1362
0.1136
0.09541
0.08063
0.06853
0.05857
0.05031
104.0
63.76
40.29
26.18
17.49
11.99
8.381
5.980
4.342
3.206
2.400
1.820
1.394
1.076
0.8357
0.6540
0.5168
0.4121
0.3314
0.2686
0.2193
0.1805
0.1496
0.1249
0.1049
0.08860
0.07531
0.06436
0.05529
114.4
70.13
44.32
28.79
19.24
13.18
9.219
6.578
4.777
3.527
2.640
2.002
1.534
1.183
0.9193
0.7194
0.5684
0.4533
0.3646
0.2955
0.2413
0.1986
0.1646
0.1374
0.1153
0.09746
0.08284
0.07080
0.06082
81.00
52.63
35.15
24.01
16.74
11.88
8.570
6.239
4.581
3.401
2.553
1.937
1.489
1.156
0.9075
0.7191
0.5752
0.4638
0.3771
0.3091
0.2552
0.2122
0.1777
0.1497
0.1269
0.1082
0.09271
127.1
84.16
56.86
39.01
27.07
19.05
13.58
9.807
7.187
5.327
3.997
3.040
2.337
1.815
1.425
1.129
0.9031
0.7280
0.5919
0.4849
0.4000
0.3324
0.2780
0.2339
0.1979
0.1683
138.0
91.32
61.70
42.33
29.37
20.67
14.74
10.64
7.798
5.781
4.337
3.298
2.535
1.969
1.546
1.226
0.9799
0.7899
0.6422
0.5261
0.4341
0.3607
0.3016
0.2538
0.2147
0.1827
151.5
100.3
67.75
46.47
32.25
22.70
16.18
11.68
8.559
6.348
4.762
3.622
2.784
2.162
1.698
1.346
1.076
0.8674
0.7052
0.5777
0.4766
0.3961
0.3312
0.2787
0.2358
0.2006
272.2
179.4
120.9
83.11
58.23
41.52
30.14
22.19
16.57
12.52
9.586
7.434
5.827
4.619
3.694
2.982
2.428
1.992
1.647
1.371
1.149
0.9697
0.8235
0.7033
0.6038
0.5208
553.6
362.5
242.5
165.7
115.3
81.91
59.14
43.36
32.28
24.33
18.57
14.36
11.24
8.900
7.108
5.732
4.666
3.829
3.168
2.641
2.216
1.871
1.591
1.360
1.169
1.010
Specifications
Part No.
R25*
1
B value*
2
Dissipation factor
(mW/ C)
Thermal time
constant (s)*
3
Operating temp.
range( C)
Rated power
at 25 C(mW)
*1 R25 : Rated zero-power resistance value at 25 C.
*2 B value : determined by rated zero-power resistance at 25 C and 85 C.
*3 Time when thermistor temperature reaches 63.2% of the temperature difference. The value is measured in the air.
252CT-4
512CT-4
562CT-4
912CT-4
103CT-4
113CT-4
203CT-4
473CT-4
513CT-4
563CT-4
104CT-4
204CT-4
2.5k
5%
5.1k
5%
5.6k
5%
9.1k
5%
10.0k
5%
11.0k
5%
20.0k
5%
47.0k
5%
51.0k
5%
56.0k
5%
100.0k
5%
200.0k
5%
3670K
2%
3200K
2%
3200K
2%
3270K
2%
3270K
2%
3270K
2%
3410K
2%
3610K
2%
3610K
2%
3610K
2%
3450K
2%
3500K
2%
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10
20
10
20
10
20
10
20
10
20
10
20
10
20
10
20
10
20
10
20
10
20
10
20
50 250
50 200
50 200
50 250
50 250
50 250
50 250
50 250
50 250
50 250
50 250
50 250
Unit(mm)
Unit(k )
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