2322 626 2....
Vishay BCcomponents
NTC Thermistors, Glass Encapsulated Miniature Bead
FEATURES
•
Small diameter
•
Quick response to changes in temperature
•
Very high long term stability
•
High temperature operation
•
Resistant to aggressive environments
APPLICATIONS
QUICK REFERENCE DATA
PARAMETER
Resistance value at 25
°
C
Tolerance on R25-value
B25/85-value
Tolerance on B25/85-value
Maximum dissipation at 55
°
C
Dissipation factor
Response time; note 1
Thermal time constant
Operating temperature range:
at zero dissipation
at maximum dissipation
Dielectric withstanding voltage (RMS)
between terminals and glass envelope
Insulation resistance between
terminals and glass envelope at 10 V
(DC)
Mass
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.
−
55 to +200
°
C or
−
55 to +300
°
C
0 to 55
°
C
min. 100 V
min. 10 M
Ω
VALUE
1 k
Ω
to 1 M
Ω
±
5%;
±
10%
2075 to 4100 K
±
5%
100 mW
≈
0.8 mW/K
≈
1 s
≈
7.5 s
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.
MOUNTING
By soldering in any position.
PACKAGING
The thermistors are packed in cardboard boxes; the smallest
packaging quantity is 100 units.
≈
33 mg
ELECTRICAL DATA AND ORDERING INFORMATION
R
25
(k
Ω
)
1
2.2
4.7
10
22
47
100
220
470
1000
Note
1. R
25
-values, temperature coefficients and catalog numbers.
2. The thermistors have a 12-digit catalog number starting with 2322 626 2. The subsequent 4 digits indicate the resistance value and tolerance.
Document Number: 29062
Revision: 10-Oct-03
For technical questions contact: nlr.europe@vishay.com
www.vishay.com
123
B
25/85
-VALUE
2075 K
±
5%
2285 K
±
5%
2485 K
±
5%
3750 K
±
5%
3560 K
±
5%
3750 K
±
5%
3900 K
±
5%
3860 K
±
5%
3950 K
±
5%
4100 K
±
5%
T
max
(
°
C)
200
200
200
200
200
200
300
300
300
300
TC
(%/K)
−
2.3
−
2.6
−
2.8
−
4.2
−
4.0
−
4.2
−
4.4
−
4.3
−
4.5
−
4.6
CATALOG NUMBER 2322 626 2....
R
25
±
5%
3102
3222
3472
3103
3223
3473
3104
3224
3474
3105
R
25
±
10%
2102
2222
2472
2103
2223
2473
2104
2224
2474
2105