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10
4 max.
4 max.
3 2
4 2
21 1
87 1
45 1
Resin(black)
Resin (ET-2 : light brown, ETB : black)
Soldered terminal
Resin
(0.17)
(0.25)
Enlarged view
Solder plated lead wires
(resin coated insulation)
Solder plated lead wires
(0.17)
(0.25)
Enlarged view
ET-2, ETB
ET-3
ET-1
Part number
Dimensions
ET THERMISTOR
The ET thermistor is smaller version of the AT thermistor.
Its fast response time and high reliability makes it
Particularly suitable for use in medical equipment
and thermometers. Manufactured by full-automated
production line, all ET thermistors have identical size and
that makes it possible to assemble sensors automatically.
503 ET 1
-
ET thermistor
Shape
Rated zero-power resistance at 25 C
503 : 50k
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)
402ET-1(2)
103ET-1(2)
303ET-1(2)
403ET-1(2)
413ET-1(2)
503ET-1(2)
593ET-1(2)
833ET-1(2)
104ET-1(2)
224ET-1(2)
234ET-1(2)
103ETB
503ET-3
4.0k
3%
10.0k
3%
30.0k
3%
40.0k
3%
41.0k
3%
50.0k
3%
59.0k
3%
83.0k
3%
100.0k
3%
226.0k
3%
232.0k
3%
10.0k
2%
50.0k
2%
3100K 1%
3250K 1%
3760K 1%
3525K 1%
3435K 1%
4055K 1%
3617K 1%
4013K 1%
4132K 1%
4021K 1%
4274K 1%
3435K 1%
4086K 1%
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
6
6
6
6
6
6
6
6
6
6
6
6
6
40
90
40
90
40 100
40 100
40 100
40 100
40 100
40 100
40
90
40 100
40 100
40
90
40 100
Temperature ( C)
Type
Resistance-Temperature
Unit (k )
Unit (k )
40
30
20
10
0
10
20
30
40
50
60
70
80
90
100
57.71
35.34
22.38
14.60
9.797
6.737
4.736
3.394
2.476
1.835
1.378
1.049
0.7997
0.6145
170.9
102.2
63.07
40.08
26.16
17.51
11.99
8.387
5.988
4.353
3.217
2.414
1.836
1.416
253.7
149.8
91.30
57.31
37.00
24.47
16.56
11.45
8.070
5.791
4.222
3.125
2.346
833.3
481.1
287.5
177.2
112.4
73.00
48.61
33.08
22.96
16.26
11.70
8.569
6.367
4.797
3.662
772.8
456.5
277.9
174.1
111.7
73.63
49.57
34.08
23.89
17.06
12.38
9.135
6.838
5.190
3.990
474.4
272.7
161.9
99.13
62.38
40.24
26.58
17.93
12.33
8.588
6.064
4.338
3.142
445.8
271.7
170.1
109.4
72.10
48.55
33.41
23.44
16.73
12.15
8.951
6.697
5.077
788.5
453.0
269.3
164.8
103.6
66.91
44.18
29.80
20.51
14.37
10.24
7.419
5.459
977.5
559.0
329.8
200.5
125.3
80.27
52.62
35.23
24.00
16.59
11.64
8.287
2116
1225
730.1
447.8
282.1
182.1
120.3
81.07
55.75
39.01
27.78
20.10
14.75
2515
1401
808.2
480.2
293.7
184.4
118.6
78.00
52.39
35.87
24.99
17.72
12.75
204.7
118.5
71.02
43.67
27.70
18.07
12.11
8.301
5.811
4.147
3.011
2.224
1.668
1.267
402ET
103ET
303ET
403ET
413ET
503ET
593ET
833ET
104ET
224ET
234ET
103ETB
Specifications for clinical thermo-meter
Temperature ( C)
Type
40.22
30.00
21.75
3953
67.04
50.00
36.25
3953
182.4
136.0
98.56
3958
184.5
135.0
95.87
4209
R30
R37
R45
B30/45(K)
503ET
833ET
224ET
234ET
Unit (mm)
1602
855.0
1318
754.3
2664
1421
3325
1769
7005
3784
9046
4680
810.7
445.1
Epoxy resin (White)
Polyurethane-covered CP wire
0.16 Color:White
Soldered (Pb free)
100 2
3 1
5max.
*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.
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