NT731JTTD103L3200J [KOA]
negative tempco thermistor; 负温度系数热敏电阻
| 型号： | NT731JTTD103L3200J |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | negative tempco thermistor |
| 文件： | 总2页 (文件大小：85K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NT73
negative tempco thermistor
EU
features
• Anti-leaching nickel barrier terminations
• Twelve standard resistance values
• Suitable for reflow and wave soldering
• Marking: 1J no marking on pink body, 2A
and 2B black three digit on pink body color
• Products with lead-free terminations meet EU RoHS
requirements. Pb located in glass material, electrode
and resistor element is exempt per Annex 1, exemption
5 of EU directive 2005/95/EC
dimensions and construction
L
Type
(Inch Size Code)
Dimensions inches (mm)
c
c
L
W
c
d
t
1J
(0603)
.063 .008 .031 .004 .012 .004 .012 .004 .02 .004
(1.6 0.2)
(0.8 0.1)
(0.3 0.1)
(0.3 0.1)
(0.5 0.1)
W
d
+.008
+.008
.012
.02
Solder
Plating
2A
.079 .008 .049 .004 .016 .008
-.004
-.004
(0.3 +0.2
)
(0.5 +0.2
)
(0805)
(2.0 0.2) (1.25 0.1) (0.4 0.2)
-0.1
-0.1
Ni
t
+.008
Plating
.016
2B
(1206)
.126 .008 .063 .008 .02 .008
-.004 .024 .004
(0.4 +0.2
)
(3.2 0.2)
(1.6 0.2)
(0.5 0.3)
(0.6 0.1)
-0.1
Protective
Coating
Resistive Inner
Film Electrode
Ceramic
Substrate
ordering information
New Part #
NT73
2A
T
TD
103
K
3800
J
Size
Code
Termination
Material
Nominal
Resistance
Resistance
Tolerance
B Constant
Nominal
B Constant
Tolerance
Type
Packaging
1J: 0603
2A: 0805
2B: 1206
T: Sn
TD: 7"
paper tape
(5,000
2 significant
figures + 1
multiplier
J: 5%
K: 10%
L: 15%
3200
3500
3700
3800
3950
4100
H: 3%
J: 5%
K: 10%
(Other termination
styles may be
available, please
contact factory
for options)
pieces/reel)
applications and ratings
Power
Rating
(mW)
Operating
Temperature
Range
Part
Designation
Resistance
@ 25°C
Resistance
Tolerance
B Constant
@ 25°C/75°C
B Constant
Tolerance
6.8kΩ
10kΩ
15kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
47kΩ
10%
5%
3%
3500K
3800K
3700K
-55°C
to
+125°C
J: 5%
K: 10%
NT731J
5
5%
3800K
4100K
3%
For further information on packaging,
please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/31/08
154
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
NT73
negative tempco thermistor
applications and ratings (continued)
Power
Rating
(mW)
Operating
Temperature
Range
Part
Designation
Resistance
@ 25°C
Resistance
Tolerance
B Constant
@ 25°C/75°C
B Constant
Tolerance
1kΩ
2kΩ
2.2kΩ
2.4kΩ
3.3kΩ
4.7kΩ
5kΩ
3200K
3500K
K: 10%
L: 15%
10%
J: 5%; K: 10%
L: 15%
K: 10%; L: 15%
5%
10%
3800K
3500K
6.8kΩ
10kΩ
15kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
150kΩ
50kΩ
10kΩ
15kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
150kΩ
1kΩ
2.2kΩ
3.3kΩ
4.7kΩ
6.8kΩ
10kΩ
22kΩ
33kΩ
47kΩ
68kΩ
100kΩ
5%
3%
3800K
3950K
4100K
5
NT732A
J: 5%
K: 10%
L: 15%
-55°C
to
+125°C
3200K
3500K
K: 10%
L: 15%
10%
5%
NT732B
5
J: 5%
K: 10%
L: 15%
3800K
environmental applications
Temperature Characteristics
RT/R25 Ratio vs. B Constant
Resistance 1k Ω 5k Ω 10k Ω 100k Ω 10kΩ Resistance 1k Ω 5k Ω 10k Ω 100k Ω 10kΩ
10,000,000
1,000,000
B Constant 3200K 3500K 3700K 3800K 4100K B Constant 3200K 3500K 3700K 3800K 4100K
Temp. (°C)
Ω
k Ω
k Ω
k Ω
k Ω
Temp. (°C)
Ω
k Ω
k Ω
k Ω
k Ω
100kΩ
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
38770 273.24 638.23 7692.5 1203.1
28840 197.67 465.81 5414.6 820.76
21706 144.85 343.25 3864.5 568.09
16517 107.43 255.22 2794.3 398.57
12698 80.577 191.37 2045.2 283.20
9857.0 61.077 144.64 1514.1 203.64
7721.2 46.759 110.13 1133.0 148.07
6100.5 36.137 83.710 856.49 108.37
4858.7 28.173 64.190 653.63 80.182
3899.0 22.147 49.640 503.31 59.943
3151.3 17.546 38.680 390.86 45.252
2564.2 14.004 30.370 305.97 34.478
2099.9 11.256 23.970 241.34 26.473
1730.0 9.1063 19.070 191.73 20.506
1433.5 7.4135 15.270 153.36 16.016
1194.2 6.0712 12.320 123.46 12.608
1000.0 5.0000 10.000 100.00 10.000
841.48 4.1398 8.1700 81.470 7.9880
711.39 3.4451 6.7100 66.739 6.4242
40
45
604.07 2.8809 5.5500 54.959 5.1999
515.10 2.4202 4.6100 45.484 4.2349
441.00 2.0421 3.8500 37.823 3.4692
379.00 1.7302 3.2300 31.594 2.8585
326.90 1.4718 2.7200 26.506 2.3682
282.95 1.2568 2.3100 22.330 1.9721
245.72 1.0771 1.9700 18.886 1.6504
214.08 0.92637 1.6800 16.035 1.3877
187.08 0.79937 1.4500 13.663 1.1724
163.96 0.69199 1.2500 11.682 0.99491
144.11 0.60087 1.0800 10.022 0.84926
127.00 0.52329 0.94000 8.6257 0.72802
112.21 0.45701 0.82000 7.4466 0.62662
99.377 0.40016 0.72000 6.4466 0.54156
88.224 0.35129 0.63000 5.5968 0.46982
78.501 0.30915 0.56000 4.8721 0.40906
70.004 0.27272 0.49000 4.2523 0.35741
62.558 0.24114 0.44000 3.7207 0.31332
100,000
50
10kΩ
55
10,000
60
3800k
1kΩ
65
1,000
70
3800k
75
80
100
3200k
85
90
10
0
95
-50
-25
0
25
50
75
100
125
5
100
105
110
115
120
125
Temperature (°C)
10
15
20
25
30
35
Note: RT/R25 ratio is the resistance at temperature (T) divided by the nominal resistance at 25°C. The RT/R25 ratio value is multiplied
by the thermistor’s nominal 25°C value to determine the nominal resistance value at a given temperature in the chart above.
Performance Characteristics
Requirement ∆ R
Parameter
Resistance
Limit
Typical
Test Method
25°C
Within specified
tolerance
––
––
B Constant
+25°C/+75°C
Within specified
tolerance
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
260°C 5°C, 10 seconds 1 second
-55°C (30 minutes),+125°C (30 minutes), 50 cycles
40°C 2°C, 90 - 95% RH, 1000 hours
80°C 3°C, DC5mW, 1000 hours
80°C, 1000 hours
1%, 2%:1kΩ
3.0%
0.5%, 1%:1kΩ
1.3%
3.0%
3.0%
3.0%
––
1.1%
2.5%
1.6%
Load Life
High Temperature Exposure
High Temperature Exposure
7 (Reference)
125°C, 1000 hours
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/06/08
155
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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