Leaded Thermistors
Interchangeable Thermistor
PX Series Precision Interchangeable 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.
Options
•
Non-standard
resistance values
and tolerances
•
Special encapsulants or
probe housings
•
Special lead materials
and lengths
Features
Dimensions
A
TINNED ALLOY WIRE
EPOXY
COATING
•
High accuracy
•
Fast thermal response
•
Low cost
•
Small size
•
Epoxy encapsulated
•
High stability
•
Long life
•
R/T Curve-matched
B
C
Part Numbering System
PX 10 2 E 3
Dimensions shown in inches.
A
A
B
C
Series
Resistance @ 25ºC
Base Value
Multiplier, power of 10
Ex. 102 = 10
Ω
x 10
2
= 1,000
Ω
No Significance
R-T Curve
30 AWG
B
(0.010")
0.095" 1.5"
MAX
C
Min
30 AWG
0.010”
0.095”
Max
1.5”
Min
PRECISION INTERCHANGEABLE THERMISTORS
Note:
Not all combinations of Part Number codes are available. Contact Littelfuse for details.
30 AWG (0.010")
TINNED COPPER ALLOY WIRE
EPOXY
COATING
0.095"
MAX
1.5"
MIN
© 2018 Littelfuse, Inc. Revised: February 26, 2018
Specifications are subject to change without notice.
1
littelfuse.com
Leaded Thermistors
Interchangeable Thermistor
PX Series Precision Interchangeable Thermistors
Specifications
Resistance
Ohms
@25°C
Accuracy
(±°C)
0-70°C
Temperature
Coefficient
(% / °C)
@ 25°C
Dissipation
Constant,
Nominal
(mW/°C)
Thermal
Time
Constant,
Max. - Still
Air
(seconds)
Thermal
Time
Constant,
Max. - Well
Stirred Oil
(seconds)
Temperature
Rating
(°C)
Max. Storage
& Operation
Temp. for Best
L/T Stability
(°C)
Part
Number
R-T
Curve
Beta (K)
0-50°C
PX102E3
PX102J2
PX222J2
PX302J2
PX502J2
PX602J2
PX103G2
PX103J2
PX203J2
PX303J2
PX503J2
PX503R2
PX104J2
PX104R2
1000
1000
2252
3000
5000
6000
10000
10000
20000
30000
50000
50000
100000
100000
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
±1.0°C
E
J
J
J
J
J
G
J
J
J
J
R
J
R
-3.67
-4.4
-4.4
-4.4
-4.4
-4.4
-4.4
-4.4
-4.4
-4.4
-4.4
-4.68
-4.4
-4.68
3263
3892
3892
3892
3892
3892
3575
3892
3892
3892
3892
4140
3892
4140
1
1
1
1
1
1
1
1
1
1
1
1
1
1
10
10
10
10
10
10
10
10
10
10
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-80 to +150
-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
-80 to +120
-80 to +120
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
© 2018 Littelfuse, Inc. Revised: February 26, 2018
Specifications are subject to change without notice.
2
littelfuse.com
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Littelfuse
:
PX103G2 PX104R2 PX302J2 PX502J2 PX102E3 PX104J2 PX222J2 PX102J2 PX203J2 PX303J2 PX503J2
PX503R2 PX103J2 PX602J2
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