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16
70 min.
Glass
Glass
Part number
Dimensions
BT THERMISTOR
The BT thermistor is a small thermal sensing device
providing high reliability, stable characteristics and a
wide operating range of 50 C to 300 C.
It is used in various applications including medical
apparatus, industrial equipment and home electric
appliances.
10 BT 5
-
Bead thermistor
Shape
Rated zero-power resistance at 25 C 10:10k
4.5max.
70 min.
3.5max.
0.225
Dumet leads
0.2
Dumet leads
Fig.2
(BT-6)
Fig.1
(BT-5)
Specifications
Port 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, 5% are also available.
*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
1BT-5
2BT-5
5BT-5(6)
9BT-5(6)
10BT-5(6)
20BT-5(6)
30BT-5(6)
40BT-5(6)
100BT-5(6)
400BT-5(6)
500BT-5(6)
1.3MBT-5(6)
1.000k
10%
2.000k
10%
5.000k
10%
9.000k
10%
10.00k
10%
20.00k
10%
30.00k
10%
40.00k
10%
100.0k
10%
400.0k
10%
500.0k
10%
1300k
10%
3,250K
3%
3,420K
3%
3,450K
3%
3,470K
3%
3,250K
3%
3,330K
3%
3,450K
3%
3,550K
3%
3,750K
3%
4,050K
3%
3,760K
3%
4,380K
3%
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5(0.4)
0.5
0.5
4
12
4
12
4
12(3
8)
4
12(3
8)
4
12(3
8)
4
12(3
8)
4
12(3
8)
4
12(3
8)
4
12(3
8)
4
12(3
8)
4
12(3
8)
4
12(3
8)
50
150
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
300
50
150
2.5
2.5
2.5(2)
2.5(2)
2.5(2)
2.5(2)
2.5(2)
2.5(2)
2.5(2)
2.5(2)
2.5(2)
2.5(2)
Temperature ( C)
Type
Resistance-Temperature
50
40
30
20
10
0
10
20
25
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
29.87
17.33
10.35
6.374
4.038
2.629
1.755
1.200
1.000
0.8380
0.5973
0.4338
0.3205
0.2407
0.1834
0.1417
0.1110
0.08789
70.71
40.02
23.28
13.96
8.640
5.513
3.610
2.421
2.000
1.661
1.163
0.8311
0.6043
0.4468
0.3357
0.2559
0.1978
0.1547
0.1224
0.09789
0.07908
0.06450
35.44
21.84
13.87
9.057
6.060
5.000
4.148
2.898
2.065
1.497
1.104
0.8267
0.6280
0.4836
0.3771
0.2975
0.2373
0.1913
0.1556
0.1278
0.1058
0.08836
0.07432
0.06295
344.8
190.3
109.1
64.81
39.70
25.15
16.36
10.92
9.000
7.456
5.200
3.698
2.677
1.970
1.473
1.117
0.8581
0.6685
0.5264
0.4191
0.3369
0.2735
284.8
163.4
97.62
60.41
38.63
25.45
17.22
11.92
10.00
8.434
6.084
4.456
3.303
2.460
1.850
1.405
1.078
0.8355
0.6540
0.5171
0.4126
0.3321
0.2696
0.2207
0.1818
0.1508
0.1258
0.1056
686.7
383.1
222.6
134.2
83.61
53.75
35.53
24.09
20.00
16.70
11.81
8.511
6.248
4.658
3.522
2.698
2.093
1.640
1.296
1.027
0.8190
0.6581
0.5327
0.4345
0.3567
0.2947
0.2451
0.2052
83.80
54.46
36.37
30.00
24.88
17.39
12.40
8.990
6.629
4.962
3.767
2.897
2.255
1.774
1.410
1.130
0.9113
0.7374
0.5997
0.4909
0.4048
0.3360
0.2808
0.2360
0.1995
0.1695
0.1447
0.1243
0.1072
0.09283
0.08078
0.07060
306.8
184.7
115.0
73.88
48.77
40.00
33.00
22.82
16.10
11.57
8.457
6.279
4.730
3.611
2.792
2.182
1.727
1.378
1.107
0.8943
0.7252
0.5915
0.4859
0.4018
0.3344
0.2802
0.2361
0.2000
0.1704
0.1458
0.1255
0.1084
0.09408
0.08200
4860
2599
1439
827.4
491.1
301.4
190.1
123.1
100.0
81.71
55.39
38.31
27.00
19.38
14.14
10.48
7.866
5.968
4.580
3.551
2.782
2.201
1.757
1.416
1.150
0.9418
0.7770
0.6458
0.5403
0.4551
0.3855
0.3286
0.2816
0.2426
0.2100
0.1826
0.1595
1486
945.3
614.7
500.0
408.9
277.7
192.1
135.3
96.90
70.47
52.00
38.90
29.49
22.63
17.55
13.76
10.90
8.717
7.034
5.722
4.692
3.876
3.225
2.702
2.277
1.930
1.644
1.407
1.209
1.041
0.8995
0.7810
8066
4598
2718
1652
1300
1029
656.0
427.8
284.5
193.0
133.0
92.76
65.53
46.91
34.03
25.02
18.59
13.99
10.63
8.163
6.336
4.965
3.926
3.131
2.517
2.039
1.663
1.366
1.129
0.9398
0.7871
0.6628
0.5612
1BT
2BT
5BT
9BT
10BT
20BT
30BT
40BT
100BT
400BT
500BT
1.3MBT
11043
6198
3573
2109
1274
788.4
498.7
400.0
322.4
212.8
143.3
98.24
68.52
48.50
34.91
25.47
18.83
14.10
10.68
8.180
6.332
4.957
3.915
3.120
2.508
2.032
1.658
1.363
1.127
0.9390
0.7864
0.6626
0.5613
0.4780
0.4091
0.3518
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