1littelfuse.com
© 2018 Littelfuse, Inc. Revised: February 26, 2018
Specifications are subject to change without notice.
Epoxy Coated Thermistor
Leaded Thermistors
Description
Littelfuse miniature leaded epoxy coated thermistors are
manufactured using the same state of the art manufacturing
techniques as those used to produce Littelfuse precision
interchangeable devices. This results in devices with superior long-
term reliability characteristics especially suitable for temperature
measurement, temperature control and temperature compensation
applications.
Dimensions
A B C
28AWG
0.013”
0.095”
Max
1.5”
Nom
Dimensions shown in inches.
LC Series Miniature Thermistors
Features
• Low cost
• High reliability
• Epoxy encapsulated
• Small size
• Fast thermal
response time
Options
• Non-standard
resistance values
and tolerances
• Special lead materials
and lengths
• Special encapsulants or
probe housings
• Point matched at
specified temperatures
1.5"
NOM
EPOXY
COATING
28 AWG (0.013")
TINNED SOLDERABLE WIRE
TINNED
SOLDERABLE
WIRE
0.095"
MAX
“LC” SERIES
1.5"
NOM
EPOXY
COATING
0.095"
MAX
B
C
A B C
28 AWG
(0.013")
A
Part Numbering System
Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details.
LC 10 3 J 2 K
No Significance
F = ±1%
K = ±10%
Multiplier, power of 10
Ex. 103 = 10 Ω x 103 = 10,000 Ω
Resistance @ 25ºC
Base Value
R-T Curve
Series Resistance Tolerance
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each
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:
www.littelfuse.com/disclaimer-electronics
2littelfuse.com
© 2018 Littelfuse, Inc. Revised: February 26, 2018
Specifications are subject to change without notice.
Epoxy Coated Thermistor
Leaded 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
Dissipation
Constant,
Nominal
(mW/°C)
Thermal Time
Constant,
Max. - Still
Air (seconds)
Thermal Time
Constant, Max.
-Well Stirred
Oil (seconds)
Temperature
Rating
(°C)
LC101B2K 100 10 B -3.3 2941 1 10 1-55 to +100
LC101D2N 100 – – – – – – – -55 to +100
LC102F2K 1000 10 F -3.86 3419 1 10 1-55 to +150
LC222J2K 2252 10 J -4.4 3892 1 10 1-55 to +150
LC302J2J 3000 5 J -4.4 3892 110 1-55 to +150
LC302J2K 3000 10 J-4.4 3892 110 1-55 to +150
LC502J2K 5000 10 J-4.4 3892 110 1-55 to +150
LC103E2K 10000 10 E -3.52 3320 1 10 1-55 to +150
LC103G2K 10000 10 G -4.04 3575 1 10 1-55 to +150
LC103J2G 10000 2 J -4.4 3892 1 10 1-55 to +150
LC103J2J 10000 5 J -4.4 3892 – – – -55 to +150
LC103J2K 10000 10 J -4.4 3892 1 10 1-55 to +150
LC203J2K 20000 10 J -4.4 3892 1 10 1-55 to +150
LC303H2K 30000 10 H-4.4 3810 110 1-55 to +150
LC303J2J 30000 5 J -4.4 3892 110 1-55 to +150
LC303J2K 30000 10 J-4.4 3892 110 1-55 to +150
LC503J2K 50000 10 J -4.4 3892 1 10 1-55 to +150
LC104R2K 100000 10 R -4.68 4140 1 10 1-55 to +150
*Resistance tolerances of ± 2%, 2%, and 5% are available upon request
LC Series Miniature Thermistors
