8
1.0
Tiebar cut
2.54 0.25
Color code
Epoxy
0.5 Tin-Plated
42 Alloy
2.4 max.
2.4 max.
3.8 max.
15 max.
Marking
0.3sq
TPE lead wire
2.54 0.25
5 1
0.7
Tiebar cut
3.8 max.
Epoxy
Color code
0.5 Tin-Plated
42 Alloy
Soldered
600
20
0
AT-2
AT-11
AT-2SS
AT-2S
AT-3
AT THERMISTOR
The AT thermistor is a high-precision thermal
sensing device featuring extremely small
B-value tolerance and resistance.
When used as a temperature gauge, the AT
thermistor requires no adjustment between
the control circuit and the sensor.
This insures temperature precision of
0.3 C.
Temperature indicators and control instruments
are now available for use with the thermistor.
102 AT- 2
Shape
High-precision AT thermistor
Rated zero-power
Resistance at 25 C 102 : 1 k
Dimensions
Interchange precision
Part number
Specifications
2.5
2.0
1.5
1.0
0.5
0.5 C
0.7 C
1 C
102AT-2
202AT-2
502AT-2
103AT-2
203AT-2
503AT-2
104AT-2
103AT-3
102AT-11
202AT-11
502AT-11
103AT-11
1.0k
1%
2.0k
1%
5.0k
1%
10.0k
1%
20.0k
1%
50.0k
3%
100.0k
1%
10.0k
1%
1.0k
1%
2.0k
1%
5.0k
1%
10.0k
1%
3100K 1%
3182K 1%
3324K 1%
3435K 1%
4013K 1%
4060K 1%
4665K 1%
3435K 1%
3100K 1%
3182K 1%
3324K 1%
3435K 1%
2
2
2
2
2
2
2
2
3
3
3
3
15
15
15
15
15
15
15
15
75
75
75
75
10
10
10
10
10
10
10
10
15
15
15
15
50 90
50 90
50 110
50 110
50 110
50 110
50 110
50 110
50 90
50 90
50 105
50 105
Black
Red
Yellow
White
None
None
None
White
None
None
None
None
103AT-2S
103AT-2SS
103AT-4
Shape1
10.0k
1%
10.0k
1%
3435K 1%
3435K 1%
1
1
15
15
5
5
50 110
50 110
white
white
10.0k
1%
10.0k
1%
3435K 1%
3435K 1%
2
4
10
35
10
20
30 90
30 90
None
None
Part No
R25
*1
B value
*2
Dissipation factor
(mW/ C)
Thermal time
constant (s)*
3
Operating temp.
range( C)
Color code
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.
103AT-4
Shape2
Resistance tolerance
40
30 20 10
0
10 20 30 40 50 60 70 80 90 100
5
4
3
2
1
Ambient temperature
C
40
30 20 10
0
10 20 30 40 50 60 70 80 90 100
Ambient temperature
C
Unit mm
8max.
13max.
Epoxy
3
UL1685 AWG30
40 100
AT-4
Shape1
Shape2
30
5
100 225
Epoxy resin
HVFF 0.14sq
Color code
Epoxy
Epoxy
0.25t Tin plated 42 Alloy leads
3.0 4.0
17 1.5
8.5 1
Color code
0.25t Tin plated 42 Alloy leads
4.0 4.5
17 1.5
8.5 1
(0.6)
Other resistance is also available, please ask.
AT-11,AT-2
AT-4
HIGH PRECISION THERMISTOR
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