KOA NT731JTTD103L3700J Negative tempco thermistor Datasheet

1733 Reader's Spreads pg1-203:document
1/27/09
4:12 PM
Page 152
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
circuit
protection
•
•
•
•
dimensions and construction
L
c
Type
c
(Inch Size Code)
W
Solder
Plating
Ni
Plating
t
d
Protective
Coating
L
Dimensions inches (mm)
W
c
d
t
1J
(0603)
.063±.008 .031±.004 .012±.004 .012±.004
(1.6±0.2)
(0.8±0.1)
(0.3±0.1)
(0.3±0.1)
.02±.004
(0.5±0.1)
2A
(0805)
.079±.008 .049±.004 .016±.008
(2.0±0.2) (1.25±0.1) (0.4±0.2)
.012
+.008
-.004
+0.2 )
-0.1
+.008
-.004
(0.5 +0.2
-0.1 )
2B
(1206)
.126±.008 .063±.008
(3.2±0.2)
(1.6±0.2)
.016
+.008
-.004
+0.2 )
-0.1
.024±.004
(0.6±0.1)
Resistive Inner
Film
Electrode
.02±.008
(0.5±0.3)
(0.3
(0.4
.02
Ceramic
Substrate
ordering information
New Part #
NT73
Type
2A
T
Size
Code
1J: 0603
2A: 0805
2B: 1206
Termination
Material
T: Sn
(Other termination
styles may be
available, please
contact factory
for options)
TD
Packaging
TD: 7"
paper tape
(5,000
pieces/reel)
103
K
3800
J
Nominal
Resistance
2 significant
figures + 1
multiplier
Resistance
Tolerance
J: ±5%
K: ±10%
L: ±15%
B Constant
Nominal
3200
3500
3700
3800
3950
4100
B Constant
Tolerance
H: ±3%
J: ±5%
K: ±10%
applications and ratings
Part
Designation
Resistance
@ 25°C
NT731J
6.8kΩ
10kΩ
15kΩ
10kΩ
20kΩ
22kΩ
30kΩ
33kΩ
47kΩ
68kΩ
100kΩ
47kΩ
Resistance
Tolerance
B Constant
@ 25°C/75°C
3500K
3800K
3700K
J: ±5%
K: ±10%
B Constant
Tolerance
Power
Rating
(mW)
Operating
Temperature
Range
5
-55°C
to
+125°C
±10%
±5%
±3%
3800K
±5%
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.
154
12/31/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
1733 Reader's Spreads pg1-203:document
1/27/09
4:12 PM
Page 153
PMS 300 neg.
Black neg.
NT73
negative tempco thermistor
applications and ratings (continued)
Resistance
@ 25°C
Resistance
Tolerance
1kΩ
2kΩ
2.2kΩ
2.4kΩ
3.3kΩ
4.7kΩ
5kΩ
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
NT732A
NT732B
B Constant
@ 25°C/75°C
3200K
K: ±10%
L: ±15%
±10%
J: ±5%; K: ±10%
L: ±15%
3500K
K:±10%; L: ±15%
3800K
3500K
±5%
J: ±5%
K: ±10%
L: ±15%
3500K
J: ±5%
K: ±10%
L: ±15%
3800K
Resistance (Ω)
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
kΩ
kΩ
kΩ
kΩ
Ω
kΩ
kΩ
Ω
kΩ
kΩ
Temp. (°C)
Temp. (°C)
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
10kΩ
1kΩ
3800k
100
3200k
50
75
25
Temperature (°C)
100
125
Performance Characteristics
Parameter
Resistance
±5%
RT/R25 Ratio vs. B Constant
100kΩ
0
±10%
5
Resistance
-25
±3%
3200K
K: ±10%
L: ±15%
3800k
10
-50
5
-55°C
to
+125°C
4100K
1,000,000
1,000
±5%
3950K
10,000,000
10,000
±10%
3800K
environmental applications
Temperature Characteristics
100,000
Operating
Temperature
Range
Power
Rating
(mW)
B Constant
Tolerance
circuit
protection
Part
Designation
Requirement ∆ R
Limit
Typical
38770
28840
21706
16517
12698
9857.0
7721.2
6100.5
4858.7
3899.0
3151.3
2564.2
2099.9
1730.0
1433.5
1194.2
1000.0
841.48
711.39
273.24
197.67
144.85
107.43
80.577
61.077
46.759
36.137
28.173
22.147
17.546
14.004
11.256
9.1063
7.4135
6.0712
5.0000
4.1398
3.4451
638.23
465.81
343.25
255.22
191.37
144.64
110.13
83.710
64.190
49.640
38.680
30.370
23.970
19.070
15.270
12.320
10.000
8.1700
6.7100
7692.5
5414.6
3864.5
2794.3
2045.2
1514.1
1133.0
856.49
653.63
503.31
390.86
305.97
241.34
191.73
153.36
123.46
100.00
81.470
66.739
1203.1
820.76
568.09
398.57
283.20
203.64
148.07
108.37
80.182
59.943
45.252
34.478
26.473
20.506
16.016
12.608
10.000
7.9880
6.4242
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
604.07
515.10
441.00
379.00
326.90
282.95
245.72
214.08
187.08
163.96
144.11
127.00
112.21
99.377
88.224
78.501
70.004
62.558
2.8809
2.4202
2.0421
1.7302
1.4718
1.2568
1.0771
0.92637
0.79937
0.69199
0.60087
0.52329
0.45701
0.40016
0.35129
0.30915
0.27272
0.24114
5.5500
4.6100
3.8500
3.2300
2.7200
2.3100
1.9700
1.6800
1.4500
1.2500
1.0800
0.94000
0.82000
0.72000
0.63000
0.56000
0.49000
0.44000
54.959
45.484
37.823
31.594
26.506
22.330
18.886
16.035
13.663
11.682
10.022
8.6257
7.4466
6.4466
5.5968
4.8721
4.2523
3.7207
5.1999
4.2349
3.4692
2.8585
2.3682
1.9721
1.6504
1.3877
1.1724
0.99491
0.84926
0.72802
0.62662
0.54156
0.46982
0.40906
0.35741
0.31332
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.
Within specified
tolerance
––
B Constant
Within specified
tolerance
––
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Load Life
High Temperature Exposure
High Temperature Exposure
±1%, ±2%:1kΩ
±3.0%
±3.0%
±3.0%
±3.0%
––
±0.5%, ±1%:1kΩ
±1.3%
±1.1%
±2.5%
±1.6%
7 (Reference)
Test Method
25°C
+25°C/+75°C
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
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
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
155
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