NT731JTTD103K3950K [KOA]
Negative Tempco Thermistor; 负温度系数热敏电阻
| 型号： | NT731JTTD103K3950K |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | Negative Tempco Thermistor |
| 文件： | 总4页 (文件大小：78K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
KOA SPEER ELECTRONICS, INC.
SS-254 R5
AHA 6/01/06
CERTIFIED
Negative Tempco Thermistor
CERTIFIED
Type NT73
1. Features
ꢀ
Anti-leaching nickel barrier terminations
ꢀ
Twelve standard resistance values
ꢀ
Suitable for reflow and wave soldering
ꢀ
Marking: Black three-digit on pink body color
2. Dimensions
Table 1
Dimensions - inches (mm)
L
c
c
Type
L
W
c
d
t
W
d
.063 .008
(1.6 0.2ꢀ
.031 .004
(0.8 0.1ꢀ
.012 .004
(0.3 0.1ꢀ
.012 .004
(0.3 0.1ꢀ
+.008
.02 .004
(0.5 0.1ꢀ
1J
Solder
Plating
(0603)
Ni
.012
.02 +.008
t
-.004
-.004
Plating
.079 .008
(2.0 0.2ꢀ
.049 .004
(1.25 0.1ꢀ
.016 .008
(0.4 0.2ꢀ
2A
(0805)
+0.2
+0.2
-0.1
(0.3
ꢀ
(0.5
ꢀ
-0.1
Protective
Coating
Resistive Inner
Film
Electrode
+.008
-.004
.016
.126 .008
(3.2 0.2ꢀ
.063 .008
(1.6 0.2ꢀ
.02 .008
(0.5 0.3ꢀ
.024 .004
(0.6 0.1ꢀ
2B
(1206)
Ceramic
Substrate
(0.4 +-00..12ꢀ
3. Type Designation
Type designation shall be as the following form.
NT73
2A
T
TD
103
K
3800
J
Termination
Material
Packaging
Resistance
Tolerance
B Constant
Nominal
B Constant
Tolerance
Nominal
Size
Type
Resistance
Code
1J: 0603
2A: 0805
2B: 1206
T: Sn
TD: 7" Paper
Tape (5,000
pieces/reelꢀ
2 Significant
figures +
1 multiplier
J: 5ꢁ
K: 10ꢁ
L: 15ꢁ
3200
3500
3700
3800
3950
4100
H: 3ꢁ
J: 5ꢁ
K: 10ꢁ
(Other
termination
styles available,
contact factory
for optionsꢀ
PAGE 1 OF 4
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Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA SPEER ELECTRONICS, INC.
SS-254 R5
4. Applications and Ratings
Thermal
Dissipation
Constant
(mW/°C)
Power
Rating
(mW)
Operating
Temperature
Range
Part
Resistance
@ 25°C
Resistance
Tolerance
B Constant
B Constant
Tolerance
Designation
@ 25°C/75°C
6.8kΩ
10kΩ
15kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
47kΩ
1kΩ
10ꢁ
5ꢁ
3ꢁ
3500K
3800K
3700K
NEW
-55°C
to
+125°C
J: 5ꢁ
K: 10ꢁ
2
5
NT731J
5ꢁ
3800K
3ꢁ
4100K
3200K
2kΩ
2.2kΩ
2.4kΩ
3.3kΩ
4.7kΩ
5kΩ
K: 10ꢁ
L: 15ꢁ
3500K
10ꢁ
5ꢁ
6.8kΩ
10kΩ
15kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
150kΩ
50kΩ
10kΩ
15kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
150kΩ
1kΩ
3800K
3500K
3800K
3950K
4100K
2.8
5
NT732A
J: 5ꢁ
K: 10ꢁ
L: 15ꢁ
-55°C
to
+125°C
3ꢁ
3200K
3500K
2.2kΩ
3.3kΩ
4.7kΩ
6.8kΩ
10kΩ
22kΩ
33kΩ
47kΩ
68kΩ
100kΩ
K: 10ꢁ
L: 15ꢁ
10ꢁ
5ꢁ
NT732B
3
5
J: 5ꢁ
K: 10ꢁ
L: 15ꢁ
3800K
5. Environmental Applications
5.1 Temperature Characteristics
5.2 RT/R25 Ratio vs. B Constant
RT/R25 Ratio vs. B Constant
10,000,000
1,000,000
Resistance 1k Ω 5k Ω 10k Ω 100k Ω 10kΩ Resistance 1k Ω 5k Ω 10k Ω 100k Ω 10kΩ
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
65
1kΩ
1,000
70
75
3800k
3200k
80
100
10
85
90
0
5
95
100
105
110
115
120
125
-50
-25
0
25
50
75
100
125
10
15
20
25
30
35
Temperature (°C)
Note: RT/R25 ratio is the resistance at temperature (Tꢀ 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.
PAGE 2 OF 4
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ꢀ
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA SPEER ELECTRONICS, INC.
SS-254 R5
6. Performance Characteristics
Maximum ∆ R
Parameter
Test Method
High Temperature Exposure
Resistance to Solder Heat
Terminal Strength-Bend
Moisture Resistance
Life
3.0ꢁ
1.0ꢁ
1.0ꢁ
3.0ꢁ
3.0ꢁ
3.0ꢁ
1000 hours @ 80°C
MIL-R-55342 π 4.7.7, 260°C for 10 seconds
2mm min. deflection in either direction for 10 seconds
MIL-STD-202, Method 103, 40°C, 90 - 95ꢁ RH, 1000 hours
80°C, DC 5mm, 1000 hours
Temperature Cycling
30 minutes @ -55°C, 15 minutes @ +25°C,
30 minutes @ +125°C, 15 minutes @ +25°C, 50 cycles
Dielectric Withstanding Voltage
2A
2B
400V
400V
10,000 MΩ
Minimum
1 minute minimum
MIL-STD-202, Method 301
—
Insulation Resistance
Note: RT/R25 ratio is the resistance at temperature (Tꢀ 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.
7. Packaging Information
+0.1
1.5
-0
1.75 0.1
Central hole
B
ø13
ø21
2
P1
(TPꢀ
T1
T1
Direction of feed
T1
2.0 4.0 0.1
P1
Quantity/
Reel
(Pieces)
Component Size (mm)
Taping (mm)
P1
Carrier
Tape
Type
Reel Size
L
W
T
A
B
W
T1
NT73 1J
14.6
2
3.2
0.8
1.25
1.6
0.45
0.5
0.6
TD
TD
TD
5000
5000
5000
1.9 0.1 1.1 0.1 8.0 0.2
2.4 0.2 1.65 0.2 8.0 0.2
4.0 0.1
4.0 0.1
4.0 0.1
0.6+0.2/-0
0.75+0.2/-0
0.75+0.2/-0
178
178
178
2A
2B
3.5 0.2
2 0.2
8.0 0.2
PAGE 3 OF 4
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA SPEER ELECTRONICS, INC.
SS-254 R5
8. Pad Dimensions
B
A
D
C
Soldering Pad
Chip Component
NT73
Size
A
B
C
D
1J
2A
2B
1.6 x 0.8
2.0 x 1.25
3.2 x 1.6
0.8
1.2
2.2
2.6
3.0
4.2
0.8
1.2
1.5
0.9
0.9
1.0
PAGE 4 OF 4
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
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