NT731JTTD472J3500K [KOA]
NTC Thermistor, 4700ohm, Surface Mount, CHIP, 0603;
| 型号： | NT731JTTD472J3500K |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | NTC Thermistor, 4700ohm, Surface Mount, CHIP, 0603 |
| 文件： | 总3页 (文件大小：77K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NT73
negative tempco thermistor
features
• Anti-leaching nickel barrier terminations
• 90/10 solder plated terminations, standard
• Twelve standard resistance values
• Suitable for reflow and wave soldering
• Marking: Black three-digit on pink body color
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
.012 +.008 .02 +.008
2A
.079±.008 .049±.004 .016±.008
-.004
-.004
Solder
Plating
(0.3 +0.2
)
(0.5 +0.2
)
-0.1
(0805)
(2.0 0.2) (1.25 0.1) (0.4 0.2)
-0.1
Ni
.016 +.008
t
Plating
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
Old Part #
NT73
2A
T
103
103
K
K
New Part #
NT73
2A
L
TD
3800
J
Size
Code
Termination
Material
Nominal
Resistance
Resistance
Tolerance
B Constant
Nominal
B Constant
Tolerance
Type
Packaging
1J: 0603
2A: 080±
2B: 1206
L: SnPb
T: Sn
TD: 7" paper tape
(±,000 pieces/reel)
2 significant
figures + 1
multiplier
J: ±±5
K: ±105
L: ±1±5
3200
3±00
3700
3800
39±0
4100
H: ±35
J: ±±5
K: ±105
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.
2/06/04
144
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
NT73
negative tempco thermistor
applications and ratings
Thermal
Power
Rating
(mW)
Operating
Temperature
Range
Part
Designation
Resistance
@ 25°C
Resistance
Tolerance
B Constant
B Constant
Tolerance
Dissipation
Constant
(mW/°C)
@ 25°C/75°C
1KΩ
2kΩ
2.2kΩ
2.4kΩ
3.3kΩ
4.7kΩ
±kΩ
3200K
±105
NEW
3±00K
6.8kΩ
10kΩ
1±kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
47kΩ
1kΩ
J: ±±5
±±5
±35
NT731J
2
±
3800K
3700K
K: ±105
±±5
3800K
4100K
3200K
±35
2kΩ
K: ±105
L: ±1±5
±105
2.2kΩ
2.4kΩ
3.3kΩ
4.7kΩ
±kΩ
3±00K
J: ±±5
K: ±105,L: ±1±5
K: ±105,L: ±1±5
±±5
-±±°C
to
+12±°C
6.8kΩ
10kΩ
1±kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
1±0kΩ
±0kΩ
10kΩ
1±kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
1±0kΩ
1kΩ
3800K
3±00K
±105
±±5
±35
3800K
39±0K
4100K
2.8
±
NT732A
J: ±±5
K: ±105
L: ±1±5
3200K
3±00K
2.2kΩ
3.3kΩ
4.7kΩ
6.8kΩ
10kΩ
22kΩ
33kΩ
47kΩ
68kΩ
100kΩ
K: ±105
L: ±1±5
±105
±±5
NT732B
3
±
J: ±±5
K: ±105
L: ±1±5
3800K
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
2/06/04
145
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
NT73
negative tempco thermistor
environmental applications
Temperature Characteristics
10,000,000
1,000,000
100,000
RT/R25 Ratio vs. B Constant
B Constant (K)
B Constant (K)
3200 3500 3800
Temperature (°C)
Temperature (°C)
3200 3500 3800
-±±
-±0
-4±
-40
-3±
-30
-2±
-20
-1±
-10
-±
±1.4±
37.02
27.03
20.00
14.99
11.36
8.71
74.4±
±1.94
36.82
26.48
19.32
14.27
10.68
8.08
107.72
72.87
±0.1±
3±.07
24.90
17.92
13.08
9.66
40
4±
0.±98
0.±09
0.436
0.37±
0.323
0.281
0.244
0.214
0.188
0.16±
0.146
0.130
0.11±
0.103
0.092
0.083
0.07±
0.067
0.±70
0.478
0.403
0.342
0.291
0.249
0.214
0.18±
0.160
0.140
0.122
0.107
0.094
0.083
0.074
0.066
0.0±8
0.0±2
0.±43
0.448
0.373
0.312
0.262
0.221
0.188
0.160
0.137
0.118
0.102
0.088
0.077
0.067
0.0±9
0.0±2
0.046
0.041
±0
±±
60
10,000
6±
100kΩ
70
6.7±
7±
1,000
±.28
6.18
7.22
80
10kΩ
4.17
4.77
±.46
8±
100
3.33
3.72
4.17
90
1kΩ
0
±
2.67
2.93
3.21
9±
2.17
2.33
2.±0
100
10±
110
11±
120
12±
10
10
1±
20
2±
30
3±
1.77
1.86
1.97
-±0
-2±
0
2±
±0
7±
100
12±
1.4±
1.±0
1.±6
Temperature (°C)
1.20
1.00
1.22
1.00
1.24
1.00
0.838
0.706
0.824
0.683
0.810
0.661
Note: RT/R2± ratio is the resistance at temperature (T) divided by the nominal resistance at 2±°C. The RT/R2± ratio value is multiplied
by the thermistor’s nominal 2±°C value to determine the nominal resistance value at a given temperature in the chart above.
Performance Characteristics
Parameter
Maximum ∆ R
Test Method
High Temperature Exposure
Resistance to Solder Heat
Terminal Strength-Bend
Moisture Resistance
Life
±3.05
±1.05
±1.05
±3.05
±3.05
1000 hours @ 80°C
MIL-R-±±342 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 - 9±5 RH, 1000 hours
80°C, DC ±mm, 1000 hours
30 minutes @ -±±°C, 1± minutes @ +2±°C, 30 minutes @ +12±°C,
1± minutes @ +2±°C, ±0 cycles
Temperature Cycling
±3.05
Dielectric Withstanding Voltage
400V
400V
10,000 MΩ Minimum
1 minute minimum
MIL-STD-202, Method 301
—
2A
2B
Insulation Resistance
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
2/06/04
14_
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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