NTC Type A990 Specifications

Temperature Tolerance in °C

Tolerance Code

0°C to 25°C

25°C to 50°C

50°C to 70°C 70°C to 105°C

Sx1

±0.1

±0.05

±0.1

±0.2

Sx2

±0.1

±0.1

±0.1

±0.2

Sx3

±0.2

±0.1

±0.2

±0.3

Sx4

±0.2

±0.2

±0.2

±0.3

Curve Tolerances

Resistance vs. Temperature Characteristics

Temperature

(°C)

Resistance Code

(Data in Ω)

UN 103

UT 103

UN 223

UT 223

UN 443

UT 443

0

14129.9

56519.5

31452.1

125808

64394.4

257577.5

5

11335.1

45340.5

25168.0

100672

51167.4

204669.5

10

9152.8

36611.2

20273.6

81094.6

40931.5

163726.2

15

7437.4

29749.5

16435.7

65742.7

32956.3

131825.2

20

6080.3

24321.1

13406.3

53625.1

26701.3

106805.3

25

5000.0

20000.0

11000.0

44000.0

21764.2

87056.8

30

4134.9

16539.7

9077.0

36307.9

17843.2

71372.8

35

3438.1

13752.5

7531.1

30124.5

14710.6

58842.5

40

2873.8

11495.1

6281.4

25125.7

12193.5

48774.1

45

2414.2

9656.7

5265.6

21062.5

10159.7

40638.8

50

2038.0

8151.9

4435.6

17742.3

8507.6

34030.3

55

1728.4

6913.8

3753.9

15015.5

7154.4

28617.7

60

1472.6

5890.2

3191.3

12765.2

6043.0

24171.9

65

1260.0

5040.0

2724.8

10899.2

5126.1

20504.4

70

1082.7

4330.6

2336.2

9344.9

4366.4

17465.8

75

934.02

3736.1

2011.1

8044.5

3734.4

14937.8

80

808.93

3235.7

1738.0

6952.0

3206.5

12825.9

85

703.23

2812.9

1507.6

6030.3

2763.7

11054.7

90

613.55

2454.2

1312.4

5249.6

2390.8

9563.4

95

537.18

2148.7

1146.5

4586.0

2075.7

8303.0

100

471.90

1887.6

1004.9

4019.6

1808.5

7233.9

105

415.90

1663.6

883.67

3534.7

1580.9

6323.7

NTC Type A990 dimensions

AAS-920-278A - 05/2014

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Advanced Sensors

Ordering Information

The code number to be ordered may be specified as follows:

A990x (x = B, C, D, E, M, P or T)

Code

Resistance Code

X

See resistance code table

Code

Curve Tolerance

X

See curve tolerance

table

A990 - ___ - ___

- ___

- Typical model number