NTCSMELFE3 Datasheet

NTCSMELFE3
www.vishay.com
Vishay BCcomponents
SMD MELF SOD80, Glass Encapsulated NTC Thermistors
FEATURES
• Small diameter down to 1.7 mm
• Quick response time down to 0.9 s
• Resistant to corrosive atmospheres and harsh
environments
• Wide temperature range from -40 °C to +150 °C
• Available on tape
• Material categorization: for definitions of
compliance please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
PARAMETER
APPLICATIONS
VALUE
UNIT
10K to 100K

• Domestic appliances
±5
%
• Industrial process control
B25/85-value
3977
K
Tolerance on B25/85-value
± 1.3
%
Operating temperature range
-40 to +150
°C
Maximum power dissipation
at 55 °C
100
mW
Dissipation factor
2.5
mW/K
Response time
0.9
s
6
s
Resistance value at 25 °C (R25)
Tolerance on R25-value
Thermal time constant 
Climatic category
(LCT / UCT / days)
 0.03
DESIGN-IN SUPPORT
For complete Curve Computation, visit:
www.vishay.com/thermistors/curve-computation-list/
DESCRIPTION
These thermistors have a negative temperature coefficient
and are mounted in a glass envelope with two tinned
electrodes. Only available in tape and reel packaging.
MOUNTING
40 / 155 / 56
Weight
Temperature measurement, sensing and control:
g
By soldering.

ELECTRICAL DATA AND ORDERING INFORMATION
R25
(k)
B25/85-VALUE
SAP MATERIAL AND
ORDERING NUMBER
NTCSMELFE3...
OLD 12NC CODE
2381 633 53..
10
3 977K
103JT
103
20
3 977K
203JT
203
30
3 977K
303JT
303
100
3 977K
104JT
104
Revision: 01-Jul-15
Document Number: 29119
1
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
NTCSMELFE3
www.vishay.com
Vishay BCcomponents
DIMENSIONS in millimeters
Component outline for NTCSMELFE3 (SOD80)
Ø 1.55 ± 0.15
0.35 ± 0.1
0.35 ± 0.1
3.5 ± 0.35
DERATING
Power derating curve
P
(%)
100
0
- 40
0
55
85
Tamb (°C)
150
Note
• Zero power is considered as measuring power max. 1 % of max. power
STABILITY CHARACTERISTICS
Stability of glass encapsulated NTCs in thermal shock test (200 000 cycles -40 °C / +200 °C).
Tested on non-soldered parts.
0.8
0
R
R
(%)
T (at 25 °C)
T
(K)
- 0.1
0.6
T (at 85 °C)
R85/R85
0.4
- 0.2
R25/R25
- 0.3
0.2
0 3
10
Revision: 01-Jul-15
104
105
Cycles
- 0.4
106
Document Number: 29119
2
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
NTCSMELFE3
www.vishay.com
Vishay BCcomponents
For complete Curve Computation, visit: www.vishay.com/thermistors/curve-computation-list/
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES FOR NTCSMELFE3
TEMPERATURE
(°C)
RT/R25
R for 10 k
R for 20 k
R for 30 k
R for 100 k
R/R
(± %)

(%/K)
T
(± K)
-40
33.21
332 094
664 187
996 281
3 320 936
10.08
-6.62
1.52
-35
23.99
239 900
479 799
719 699
2 398 996
9.59
-6.39
1.50
-30
17.52
175 200
350 399
525 599
1 751 996
9.12
-6.18
1.48
-25
12.93
129 287
258 574
387 861
1 292 869
8.67
-5.98
1.45
-20
9.636
96 358
192 716
289 074
963 582
8.24
-5.78
1.42
-15
7.250
72 500
145 001
217 501
725 004
7.82
-5.60
1.40
-10
5.505
55 046
110 092
165 138
550 459
7.42
-5.42
1.37
-5
4.216
42 157
84 314
126 471
421 570
7.04
-5.25
1.34
0
3.255
32 554
65 108
97 663
325 542
6.67
-5.09
1.31
5
2.534
25 339
50 677
76 016
253 386
6.31
-4.93
1.28
10
1.987
19 872
39 744
59 617
198 722
5.96
-4.79
1.25
15
1.570
15 698
31 397
47 095
156 985
5.63
-4.64
1.21
20
1.249
12 488
24 975
37 463
124 877
5.31
-4.51
1.18
25
1.000
10 000
20 000
30 000
100 000
5.00
-4.38
1.14
30
0.8059
8059
16118
24 177
80 591
5.30
-4.25
1.25
35
0.6535
6535
13069
19 604
65 347
5.59
-4.13
1.35
40
0.5330
5330
10660
15 990
53 299
5.87
-4.02
1.46
45
0.4372
4372
8743
13 115
43 717
6.14
-3.91
1.57
50
0.3605
3605
7211
10 816
36 053
6.41
-3.80
1.69
55
0.2989
2989
5977
8966
29887
6.66
-3.70
1.80
60
0.2490
2490
4980
7470
24900
6.91
-3.60
1.92
65
0.2084
2084
4169
6253
20844
7.15
-3.51
2.04
70
0.1753
1753
3506
5259
17530
7.39
-3.42
2.16
75
0.1481
1481
2962
4443
14809
7.61
-3.33
2.29
80
0.1256
1256
2513
3769
12564
7.84
-3.25
2.41
85
0.1070
1070
2141
3211
10703
8.05
-3.17
2.54
90
0.09154
915.4
1831
2746
9154
8.26
-3.09
2.67
95
0.07860
786.0
1572
2358
7860
8.46
-3.01
2.81
100
0.06773
677.3
1355
2032
6773
8.66
-2.94
2.95
105
0.05857
585.7
1171
1757
5857
8.85
-2.87
3.08
110
0.05083
508.3
1017
1525
5083
9.04
-2.80
3.23
115
0.04426
442.6
885.2
1328
4426
9.22
-2.74
3.37
120
0.03866
386.6
773.2
1160
3866
9.40
-2.67
3.52
125
0.03387
338.7
677.5
1016
3387
9.57
-2.61
3.66
130
0.02977
297.7
595.4
893.1
2977
9.74
-2.55
3.81
135
0.02624
262.4
524.8
787.2
2624
9.91
-2.50
3.97
140
0.02319
231.9
463.8
695.7
2319
10.07
-2.44
4.12
145
0.02055
205.5
411.1
616.6
2055
10.23
-2.39
4.28
150
0.01826
182.6
365.3
547.9
1826
10.38
-2.34
4.44
Revision: 01-Jul-15
Document Number: 29119
3
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
NTCSMELFE3
www.vishay.com
Vishay BCcomponents
PACKAGING
BLISTER TAPE AND REEL
Packed in an 8 mm wide blister tape, according to IEC 60286-3
A0
K
K0
5° max.
B1 B0
W
T
Direction of unreeling
BLISTER TAPE AND REEL DIMENSIONS
SYMBOL
PARAMETER
NOMINAL
DIMENSIONS
TOLERANCE
UNIT
Overall thickness
< 2.5
-
mm
Blister tape
K
Pocket
A0
Length
2.1
+0.3
mm
B0
Width
> 3.8
-
mm
K0
Depth
2.1
+0.3
mm
B1
Outside width
< 4.5
-
mm
T
Tape thickness
< 0.4
-
mm
W
Tape width
8.0
± 0.2
mm
Tape
Revision: 01-Jul-15
Document Number: 29119
4
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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Revision: 02-Oct-12
1
Document Number: 91000