NTC Thermistors, Long Lead Sensors
2322 645 10/20....
Vishay BCcomponents
Document Number: 29051
For technical questions contact: nlr.europe@vishay.com
www.vishay.com
Revision: 10-Oct-03
97
FEATURES
Accuracy of 0.5
C between 0
C and 50
C
Small diameter
High stability over a long life
Long and flexible leads for special mounting or assembly
requirements
APPLICATIONS
Temperature sensing and control
These thermistors have a negative temperature coefficient.
The device consists of a chip with two insulated or
non-insulated nickel leads.
PACKAGING
The thermistors are packed in cardboard boxes; the smallest
packing quantity is 1000 units.
MARKING
The body is coloured with ochre lacquer and not marked.
MOUNTING
By soldering in any position.
QUICK REFERENCE DATA
PARAMETER
VALUE
Resistance value at:
0
C
see Resistance Values
Table
50
C
see Resistance Values
Table
B
25/85
-value
3977 K
T ensured between 0
C and
50
C
0.5
C
Temperature coefficient
see Resistance Values Table
Maximum dissipation
100 mW
Minimum dielectric withstanding
voltage (RMS) between leads and
coating
500 V
Operating temperature range
-
40 to +125
C
Climatic category
40/125/56
Mass
0.2 g
ELECTRICAL DATA AND ORDERING INFORMATION
Note
1. Replace dot in last 5 digits of catalog number by 1 for non-insulated or 2 for insulated leads.
R
25
-VALUE
(k
)
B
25/85
-VALUE
(K)
CATALOG NUMBER
2322 645 .....
(1)
3
3977
.0302
5
3977
.0502
10
3977
.0103
DIMENSIONS
in millimeters
38 2
8 max
0.3
0.03
2.4
max
2.4
max
Component outline for
2322 645 10... series.
38 2
6 1
8 max
0.58
max
0.25
0.025
2.4
max
2.4
max
Component outline for
2322 645 20... series.
2322 645 10/20....
Vishay BCcomponents
NTC Thermistors, Long Lead Sensors
www.vishay.com
For technical questions contact: nlr.europe@vishay.com
Document Number: 29051
98
Revision: 10-Oct-03
DERATING
0
55
40
85
125
T ( C)
o
100
0
P
(%)
25
amb
Power derating curve.
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES
Note
1. Replace dot in last 5 digits of catalog number by 1 for non-insulated or 2 for insulated leads.
T
oper
(
C)
R
T
/R
25
T
(K)
TC
(%/K)
R
25
(k
)
2322 645 .....;
see note 1
.0302
.0502
.0103
-
40
33.21
0.68
6.57
99.63
166.1
332.1
-
35
23.99
0.66
6.36
71.97
120.0
239.9
-
30
17.52
0.64
6.15
52.56
87.60
175.2
-
25
12.93
0.62
5.95
38.79
64.65
129.3
-
20
9.636
0.59
5.76
28.91
48.18
96.36
-
15
7.250
0.57
5.58
21.75
36.25
72.50
-
10
5.505
0.55
5.40
16.51
27.52
55.05
-
5
4.216
0.52
5.24
12.65
21.08
42.16
0
3.255
0.50
5.08
9.766
16.28
32.56
5
2.534
0.50
4.92
7.602
12.67
25.34
10
1.987
0.50
4.78
5.962
9.936
19.87
15
1.570
0.50
4.64
4.710
7.849
15.70
20
1.249
0.50
4.50
3.746
6.244
12.49
25
1.000
0.50
4.37
3.000
5.000
10.00
30
0.8059
0.50
4.25
2.418
4.030
8.059
35
0.6535
0.50
4.13
1.960
3.267
6.535
40
0.5330
0.50
4.02
1.599
2.665
5.330
45
0.4372
0.50
3.91
1.312
2.186
4.372
50
0.3605
0.50
3.80
1.082
1.803
3.606
55
0.2989
0.55
3.70
0.8966
1.494
2.989
60
0.2490
0.61
3.60
0.7470
1.245
2.490
65
0.2084
0.66
3.51
0.6253
1.042
2.084
70
0.1753
0.72
3.42
0.5259
0.8765
1.753
75
0.1481
0.77
3.33
0.4443
0.7405
1.481
80
0.1256
0.83
3.25
0.3769
0.6282
1.256
85
0.1070
0.89
3.16
0.3211
0.5352
1.070
90
0.09154
0.95
3.09
0.2746
0.4577
0.9154
95
0.07860
1.02
3.01
0.2358
0.3930
0.7860
100
0.06773
1.08
2.94
0.2032
0.3387
0.6773
105
0.05858
1.14
2.87
0.1757
0.2929
0.5858
110
0.05083
1.21
2.80
0.1525
0.2542
0.5083
115
0.04426
1.27
2.73
0.1328
0.2213
0.4426
120
0.03866
1.34
2.67
0.1160
0.1933
0.3866
125
0.03387
1.41
2.61
0.1016
0.1694
0.3387
PDF 
ZIP