2322 633 0/1....
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
APPLICATIONS
Temperature measurement, level and flow sensing.
Bead thermistor with negative temperature coefficient,
having two solid platinum-iridium leads in axial or radial
configuration. The device is non-flammable.
QUICK REFERENCE DATA
PARAMETER
VALUE
1 kΩ to 1 MΩ
±5%; ±10%
2075 to 4100 K
±5%
Resistance value at 25 °C
Tolerance on R25-value
B25/85-value
MOUNTING
Spot weld the leads to conducting wires or other supports.
Tolerance on B25/85-value
Maximum dissipation at 55 °C
Response time; note 1
Operating temperature range:
at zero dissipation
PACKAGING
100 mW
The thermistors are packed in cardboard boxes; the smallest
packaging quantity is 100 units.
≈0.5 s
−55 to +200 °C
≈33 mg
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.
ELECTRICAL DATA AND ORDERING INFORMATION
CATALOG NUMBER 2322 633 .....
R25
Ω
(k )
TC
(%/K)
B25/85-VALUE
AXIAL LEADS RADIAL LEADS
±
±
±
±
R25 5%
R25 10%
R25 5%
13102
13222
13472
13103
13223
13473
13104
13224
13474
13105
R25 10%
1
2.2
4.7
10
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%
−2.3
−2.6
−2.8
−4.2
−4.0
−4.2
−4.4
−4.3
−4.5
−4.6
03102
03222
03472
03103
03223
03473
03104
03224
03474
03105
02102
02222
02472
02103
02223
02473
02104
02224
02474
02105
12102
12222
12472
12103
12223
12473
12104
12224
12474
12105
22
47
100
220
470
1000
Note
1. R25-values, temperature coefficients and catalog numbers.
2. The thermistors have a 12-digit catalog number starting with 2322 633. The subsequent 5 digits indicate the resistance value and tolerance.
Document Number: 29063
Revision: 10-Oct-03
For technical questions contact: nlr.europe@vishay.com
www.vishay.com
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