PS Series Datasheet by Littelfuse Inc.

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1littelfuse.com
© 2021 Littelfuse, Inc. Revised: April 15, 2021
Specifications are subject to change without notice.
Interchangeable Thermistor
Leaded Thermistors
Description
Littelfuse precision interchangeable thermistors are low cost,
highly accurate, stable devices designed specifically for
temperature sensing and control applications. They are particularly
suited for uses where their precision interchangeability eliminates
the necessity for costly individual circuit calibration.
Dimensions
A B C
30AWG
0.010”
0.095”
Max
1.5”
Min
Dimensions shown in inches.
Features
• High accuracy
• Fast thermal response
• Low cost
• Small size
• Epoxy encapsulated
• High stability
• Long life
• R/T Curve-matched
Options
• Non-standard
resistance values
and tolerances
• Special lead materials
and lengths
• Special encapsulants or
probe housings
1.5"
MIN
EPOXY
COATING
30 AWG (0.010")
TINNED ALLOY WIRE
0.095"
MAX
“PS” & “PT” SERIES
TINNED ALLOY
WIRE
1.5"
Min
EPOXY
COATING
0.095"
MAX
B
C
A B C
30 AWG
(0.010")
A
Part Numbering System
Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details.
PS 10 2 J 2
No Significance
Multiplier, power of 10
Ex. 102 = 10 Ω x 102 = 1,000 Ω
Resistance @ 25ºC
Base Value
R-T Curve
Series
PS Series Standard Precision Interchangeable Thermistors
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
© 2021 Littelfuse, Inc. Revised: April 15, 2021
Specifications are subject to change without notice.
Interchangeable Thermistor
Leaded Thermistors
Specifications
Part
Number
Resistance
Ohms
@25°C
Accuracy
(±°C)
0-70°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)
Storage &
Operation
Temp for Best
L/T Stability
(°C)
PS102J2 1000 ± 0.1°C J -4.4 3892 1 10 1-80 to +150 -80 to +75
PS222J2 2252 ± 0.1°C J-4.4 3892 110 1-80 to +150 -80 to +75
PS302J2 3000 ± 0.1°C J-4.4 3892 110 1-80 to +150 -80 to +75
PS502J2 5000 ± 0.1°C J-4.4 3892 110 1-80 to +150 -80 to +75
PS602J2 6000 ± 0.1° C J-4.4 3892 110 1-80 to +150 -80 to +75
PS103G2 10000 ± 0.1° C G-4.04 3575 110 1-80 to +150 -80 to +75
PS103J2 10000 ± 0.1°C J -4.4 3892 1 10 1-80 to +150 -80 to +75
PS203J2 20000 ± 0.1°C J-4.4 3892 110 1-80 to +150 -80 to +75
PS303J2 30000 ± 0.1° C J-4.4 3892 110 1-80 to +150 -80 to +75
PS503J2 50000 ± 0.1°C J-4.4 3892 110 1-80 to +150 -80 to +75
PS503R2 50000 ± 0.1° C R-4.68 4140 110 1-80 to +150 -80 to +75
PS104J2 100000 ± 0.1°C J -4.4 3892 1 10 1-80 to +150 -80 to +75
PS104R2 100000 ± 0.1°C R -4.68 4140 1 10 1-80 to +150 -80 to +75
PS Series Standard Precision Interchangeable Thermistors