NTC Thermistors, Molded Range
2322 641 6....
Vishay BCcomponents
www.vishay.com
112
For technical questions contact: nlr.europe@vishay.com
Document Number: 29059
Revision: 10-Oct-03
FEATURES
Excellent for surface temperature measurement
Designed for harsh environments
“2322 640 0....”
Based on the
naked thermistor chips.
APPLICATIONS
Temperature control.
These thermistors have a negative temperature coefficient.
The device consists of a molded chip with two tin-plated solid
nickel leads. The body color is white and the device is
non-flammable.
PACKAGING
The smallest packing quantity is 500 units.
QUICK REFERENCE DATA
PARAMETER
VALUE
Resistance value at 25
°
C (R
25
)
2.2 to 470 k
5%,
Tolerance on R
25
-value
±
2%,
±
±
3%,
10%
±
B
25/85
Maximum dissipation
-values
3740 to 4570 K
250 mW
Response time
≈
2.7 s
Operating temperature range:
at zero dissipation
40 to +125
°
C
at maximum dissipation
0 to 55
°
C
Minimum dielectric withstanding voltage
(RMS) between leads and lead
insulation
350 V
Minimum insulation resistance between
leads and lead insulation at 100 V (DC)
100 M
Climatic category
40/125/56
Mass
≈
0.3 g
MARKING
White coloured body.
MOUNTING
By soldering in any position or mechanical fixing.
ELECTRICAL DATA AND ORDERING INFORMATION
Note
1.
R
25
-values, TC, mass, dimentions and catalog numbers.
a) Other R
25
-values are available on request.
2.
Replace dot in the code numbers by one of the following, depending on required R
4 for a tolerance of
±
2%
6 for a tolerance of
±
3%
3 for a tolerance of
±
5%
2 for a tolerance of
±
10%
25
-value:
R
(k
25
)
TC
(%/K)
MASS
(g)
W
(mm)
H
(mm)
L
(mm)
P
(mm)
T
(mm)
d
(mm)
B
25/85
CATALOG
NUMBER
2322 641 .....
(2)
K
TOL.
(%)
2.2
-4.37
≈
0.3
4
±
0.2
4.4
±
0.2
21
±
1
2.54
±
0.3
2.5
±
0.2
0.6
±
0.06
3977
±
0.75
6.222
2.7
-4.37
≈
0.3
4
±
0.2
4.4
±
0.2
21
±
1
2.54
±
0.3
2.5
±
0.2
0.6
±
0.06
3977
±
0.75
6.272
12
-4.10
≈
0.3
4
±
0.2
4.4
±
0.2
21
±
1
2.54
±
0.3
2.5
±
0.2
0.6
±
0.06
3740
±
2.0
6.123
15
-4.10
≈
0.3
4
±
0.2
4.4
±
0.2
21
±
1
2.54
±
0.3
2.5
±
0.2
0.6
±
0.06
3740
±
2.0
6.153
33
-4.46
≈
0.3
4
±
0.2
4.4
±
0.2
21
±
1
2.54
±
0.3
2.5
±
0.2
0.6
±
0.06
4090
±
1.5
6.333
100
-4.57
≈
0.3
4
±
0.2
4.4
±
0.2
21
±
1
2.54
±
0.3
2.5
±
0.2
0.6
±
0.06
4190
±
1.5
6.104
470
-4.95
≈
0.3
4
±
0.2
4.4
±
0.2
21
±
1
2.54
±
0.3
2.5
±
0.2
0.6
±
0.06
4570
±
1.5
6.474