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© 2018 Littelfuse, Inc. Revised: February 26, 2018
Specifications are subject to change without notice.
Glass Encapsulated Thermistor
Leaded Thermistors
DO-35 Standard Series Glass Encapsulated Thermistors
Specifications
Part
Number
Resistance
Ohms
@25°C
*Resistance
Tol. ± %
@ 25°C
R-T
Curve
Temperature
Coefficient
(%/°C)
@ 25°C
Beta (K)
0-50°C
Beta (K)
25-85°C
Dissipation
Constant,
Nominal
(mW/°C)
Thermal
Time
Constant,
Max. -
Still Air
(seconds)
Thermal
Time
Constant,
Max. - Well
Stirred Oil
(seconds)
Temperature
Range
(°C)
203JG1K 20000 10 J-4.4 3892 _ 2 5 0.5 -55 to +300
253JG1F 25000 1 J _ 3892 _2 5 0.5 -55 to +300
253JG1K 25000 10 J-4.4 3892 _2 5 0.5 -55 to +300
303HG1K 30000 10 H-4.29 3810 _ 2 5 0.5 -55 to +300
303JG1F 30000 1 J -4.4 3892 _ 2 5 0.5 -55 to +300
303JG1J 30000 5 J --4.4 3892 _ 2 5 0.5 -55 to +300
303JG1K 30000 10 J-4.4 3892 _2 5 0.5 -55 to +300
403GG1K 40000 10 G-3.88 3575 _ 2 5 0.5 -55 to +300
503JG1F 50000 1 J-4.4 3892 _ 2 5 0.5 -55 to +300
503JG1J 50000 5 J -4.4 3892 _2 5 0.5 -55 to +300
503JG1K 50000 10 J-4.4 3892 _ 2 5 0.5 -55 to +300
683N1G1K 68000 10 N1 -4.5 3991 _ 2 5 0.5 -55 to +300
753JG1K 75000 10 J-4.4 3892 _2 5 0.5 -55 to +300
104JG1F 100000 1 J -4.4 3892 _ 2 5 0.5 -55 to +300
104 JG1H 100000 3 J -4.4 3892 _ 2 5 0.5 -55 to +300
104JG1J 100000 5 J -4.4 3892 _ 2 5 0.5 -55 to +300
104 JG1K 100000 10 J-4.4 3892 _2 5 0.5 -55 to +300
104LG2K 100000 10 L1 -4.52 3920 4040 2 5 0.5 -55 to +300
104N1G1K 100000 10 N1 -4.5 3991 _ 2 5 0.5 -55 to +300
104RG1J 100000 5 R -4.68 4140 _ 2 5 0.5 -55 to +300
104RG1K 100000 10 R-4.68 4140 _ 2 5 0.5 -55 to +300
224JG1K 220000 10 J-4.4 3892 _ 2 5 0.5 -55 to +300
*Resistance tolerances of ± 1%, 2%, and 5% are available upon request