Document Number: 29062
For technical questions contact: nlr.europe@vishay.com
www.vishay.com
Revision: 08-May-03
1
NTC Thermistors, Glass Encapsulated Miniature Bead
2322 626 2....
Vishay BCc
QUICK REFERENCE DATA
Note
1. Response time in silicone oil MS200/50. This is the time needed
for the sensor to reach 63.2% of the total temperature difference
when subjected to a temperature change from 25
C in air to
85
C in oil.
PARAMETER
VALUE
Resistance value at 25
C
1 k
to 1 M
Tolerance on R25-value
5%;
10%
B25/85-value
2075 to 4100 K
Tolerance on B25/85-value
5%
Maximum dissipation at 55
C
100 mW
Dissipation factor
0.8 mW/K
Response time; note 1
1 s
Thermal time constant
7.5 s
Operating temperature range:
at zero dissipation
-
55 to +200
C or
-
55 to +300
C
at maximum dissipation
0 to 55
C
Dielectric withstanding voltage (RMS)
between terminals and glass envelope
min. 100 V
Insulation resistance between
terminals and glass envelope at 10 V
(DC)
min. 10 M
Mass
33 mg
MOUNTING
By soldering in any position.
PACKAGING
The thermistors are packed in cardboard boxes; the smallest
packaging quantity is 100 units.
FEATURES
Small diameter
Quick response to changes in temperature
Very high long term stability
High temperature operation
Resistant to aggressive environments
APPLICATIONS
Temperature measurement and control up to 300
C.
Bead thermistor with negative temperature coefficient, in a
glass envelope with two tinned durnet (CuNiFe) leads. The
device is non-flammable.
ELECTRICAL DATA AND ORDERING INFORMATION
Note
1. R
25
-values, temperature coefficients and catalog numbers.
2. The thermisters have a 12-digit catalog number starting with 2322 626 2. The subsequent 4 digits indicate the resistance value and tolerance.
R
25
(k
)
B
25/85
-VALUE
T
max
(
C)
TC
(%/K)
CATALOG NUMBER 2322 626 2....
R
25
5%
R
25
10%
1
2075 K
5%
200
-
2.3
3102
2102
2.2
2285 K
5%
200
-
2.6
3222
2222
4.7
2485 K
5%
200
-
2.8
3472
2472
10
3750 K
5%
200
-
4.2
3103
2103
22
3560 K
5%
200
-
4.0
3223
2223
47
3750 K
5%
200
-
4.2
3473
2473
100
3900 K
5%
300
-
4.4
3104
2104
220
3860 K
5%
300
-
4.3
3224
2224
470
3950 K
5%
300
-
4.5
3474
2474
1000
4100 K
5%
300
-
4.6
3105
2105
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