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薄膜热敏电阻

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薄膜热敏电阻

NTC THERMISTORSPECIFICATIONS

1)    Scope

This specification defines ratings, dimension, insulation, climatic test and mechanical characteristics for JT type thermistor.
2) Part No。:  DAE-JT103F-025

3) Rating

  3-1) Rated zero-power resistance  : R25 : 10KΩ ± 1% ( at 25 )

  3-2) B value : B25/85: 3,435K ± 1%

       * The B value is calculated using the zero-power resistance values measured at 25 and 85.

  3-3) Dissipation factor                 : Approx. 0.7 mW/ ( in air )

  3-4) Thermal time constant            : Approx. 5.0 S ( in air )

  3-5) Maximum power rating            : 2.5 mW ( at 25 )

  3-6) Category temperature range       : -40 ~ 90

4) Insulation resistance

    Insulation resistance shall be more than 100MΩ which is measured at DC 100V between film area and terminals.

 5) Climatic test

  5-1) Dry heat

       After the test samples were exposed in air at 90 ± 1 for 1,000 hours, the change ratio of the rated zero-power resistance shall be within ± 1%  of the initial value.

  5-2) Damp heat

        After the test samples were exposed in the humidity of 95% at 40 ± 2 for 1,000 hours, the change ratio of the rated zero-power resistance shall be within ± 1% of the initial value.

  5-3) Cold

       After the test samples were exposed in air at  -30 ± 1 for 1,000 hours, the change ratio of the rated zero-power resistance shall be within  ± 1% of the initial value.

  5-4) Loading

       After DC 1mA current was applied to the test samples in the temperature of 40 ± 2 and the humidity of 95% for 1,000 hours, the change ratio of the rated zero-power resistance shall be within ± 1% of the initial value.

  5-5) Change of temperature

       One cycle of the change of temperature shall be carried out in the order of the following conditions.

l      Room ambient temperature ( Initial value ) at -25 ± 3 for 30 minutes.

l      Room ambient temperature for 3 minutes at 90 ± 2 for 30 minutes

l      Room ambient temperature for 3 minutes after the 100 cycles of this process, the change ratio of the rated zero-power resistance shall be within ± 1% of the initial value.

 6) Mechanical characteristics

  6-1) Resistance to soldering heat

       The terminals shall be dipped into a soldering bath having a temperature of 260 ± 5 to a point 2。0mm from the body and then be held there for 5 ± 1s, the change ratio of the rated zero-power resistance shall be within  ± 1% of the initial value.

  6-2) Solderability

       After dipping the terminal to a depth in a soldering bath of 235  ± 5 for  ± 0.5s.  Approximately 90% of terminals should be covered with solder uniformly.

  6-3) Free fall:

       After three times fall to a maple board from 0.75 meter high, there shall be no visible damage and the change ratio of the rated zero-power resistance shall be within  ± 1% of the initial value.

  6-4) Robustness of termination

       After 1N loading weight for 10  ± 1S was applied to the wise terminations, there shall be no visible damage and the change ratio of the rated zero-power resistance shall be within  ± 1% of the initial value.

 7) Dimensions ( mm )

生产薄膜热敏电阻

 

 

 

 

Resistance Table
               
  MODEL : 10KOhm          
  B(25/85) : 3435˚K           UNIT :
               
TEMP STD TEMP STD TEMP STD TEMP STD
-40 205.9 6 21.41 52 3.842 98 1.004
-39 194.1 7 20.52 53 3.719 99 0.979
-38 183.0 8 19.67 54 3.601 100 0.954
-37 172.6 9 18.86 55 3.488 101 0.931
-36 163.0 10 18.09 56 3.379 102 0.908
-35 153.9 11 17.35 57 3.274 103 0.886
-34 145.4 12 16.65 58 3.172 104 0.864
-33 137.4 13 15.99 59 3.075 105 0.843
-32 130.0 14 15.35 60 2.981 106 0.823
-31 123.0 15 14.74 61 2.890 107 0.804
-30 116.4 16 14.16 62 2.803 108 0.784
-29 110.2 17 13.61 63 2.719 109 0.766
-28 104.4 18 13.09 64 2.638 110 0.748
-27 98.96 19 12.58 65 2.559 111 0.730
-26 93.84 20 12.10 66 2.484 112 0.713
-25 89.02 21 11.64 67 2.411 113 0.697
-24 87.31 22 11.20 68 2.341 114 0.681
-23 82.83 23 10.78 69 2.273 115 0.665
-22 78.61 24 10.38 70 2.207 116 0.650
-21 74.63 25 10.00 71 2.144 117 0.635
-20 70.89 26 9.628 72 2.083 118 0.621
-19 67.36 27 9.271 73 2.024 119 0.607
-18 64.03 28 8.931 74 1.967 120 0.593
-17 60.90 29 8.604 75 1.912 121 0.580
-16 57.93 30 8.292 76 1.858 122 0.567
-15 55.14 31 7.993 77 1.807 123 0.555
-14, , 52.49 32 7.707 78 1.757 124 0.543
-13 50.00 33 7.433 79 1.709 125 0.531
-12 47.64 34 7.170 80 1.662    
-11 45.41 35 6.918 81 1.617    
-10 43.29 36 6.677 82 1.574    
-9 41.30 37 6.445 83 1.532    
-8 39.40 38 6.223 84 1.491    
-7 37.61 39 6.010 85 1.451    
-6 35.91 40 5.805 86 1.373    
-5 34.30 41 5.609 87 1.337    
-4 32.78 42 5.420 88 1.302    
-3 31.33 43 5.239 89 1.267    
-2 29.96 44 5.065 90 1.234    
-1 28.65 45 4.898 91 1.202    
0 27.41 46 4.738 92 1.171    
1 26.62 47 4.583 93 1.141    
2 25.47 48 4.435 94 1.112    
3 24.38 49 4.292 95 1.083    
4 23.34 50 4.155 96 1.056    
5 22.35 51 3.969 97 1.029    

 

 

 

 


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