Leaded Thermistors
Interchangeable Thermistor
KW Series Precision Interchangeable Thermistors
Specifications
Thermal
Time
Constant,
Max. - Still Max. - Well
Air
(secondsꢀ
Thermal
Time
Constant,
Storage &
Operation
Temp for Best
L/T Stability
(°Cꢀ
Temperature
Coefficient
(% / °Cꢀ
Dissipation
Constant,
Nominal
(mW/°Cꢀ
Temperature
Rating
Resistance
Ohms
@25°C
Accuracy
( °Cꢀ
0-70°C
Part
Number
R-T
Curve
Beta (Kꢀ
0-50°C
(°Cꢀ
@ 25°C
Stirred Oil
(secondsꢀ
KW102J2
KW222J2
KW302J2
KW502J2
KW602J2
1000
2252
3000
5000
6000
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
0.5ꢀC
J
J
-4.4
-4.4
-4.4
-4.4
-4.4
-4.04
-4.4
3892
3892
3892
3892
3892
3575
3892
3892
3892
3892
4140
4140
1
1
1
1
1
1
1
1
1
1
1
1
10
10
10
10
10
10
10
10
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +135
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
-80 to +120
J
J
J
KW103G2 10000
G
J
KW103J2
KW203J2
KW303J2
KW503J2
10000
20000
30000
50000
J
-4.4
J
-4.4
-4.4
-4.68
-4.68
J
KW503R2 50000
KW104R2 100000
R
R
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product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at:
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© 2018 Littelfuse, Inc. Revised: February 26, 2018
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Specifications are subject to change without notice.