PX103G2

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 • Special encapsulants or probe housings resistance values and tolerances • Special lead materials and lengths Features Dimensions EPOXY COATING A TINNED ALLOY WIRE C • Fast thermal response • High stability • Low cost • Long life • Small size • R/T Curve-matched PX 10 2 E 3 A B Dimensions shown in inches. 30 AWG B (0.010") 30 AWG 0.010” • Epoxy encapsulated Part Numbering System B A • High accuracy Series C Resistance @ 25ºC Base Value 0.095" 1.5" MAX C Min 0.095” Max R-T Curve Multiplier, power of 10 1.5” Min Ex. 102 = 10 Ω x 102 = 1,000 Ω PRECISION INTERCHANGEABLE THERMISTORS 30 AWG (0.010") TINNED COPPER ALLOY WIRE No Significance Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. EPOXY COATING 0.095" MAX 1.5" MIN © 2021 Littelfuse, Inc. Revised: March 23, 2021 Specifications are subject to change without notice. 1 littelfuse.com Leaded Thermistors Interchangeable Thermistor PX Series Precision Interchangeable Thermistors Specifications 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) Max. Storage & Operation Temp. for Best L/T Stability (°C) Part Number Resistance Ohms @25°C Accuracy (±°C) 0-70°C R-T Curve Temperature Coefficient (% / °C) @ 25°C PX102E3 1000 ±1.0°C E -3.67 3263 1 10 1 -80 to +150 -80 to +120 PX102J2 1000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX222J2 2252 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX302J2 3000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX502J2 5000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX602J2 6000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX103G2 10000 ±1.0°C G -4.4 3575 1 10 1 -80 to +150 -80 to +120 PX103J2 10000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX203J2 20000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX303J2 30000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX503J2 50000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX503R2 50000 ±1.0°C R -4.68 4140 1 10 1 -80 to +150 -80 to +120 PX104J2 100000 ±1.0°C J -4.4 3892 1 10 1 -80 to +150 -80 to +120 PX104R2 100000 ±1.0°C R -4.68 4140 1 10 1 -80 to +150 -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 © 2021 Littelfuse, Inc. Revised: March 23, 2021 Specifications are subject to change without notice. 2 littelfuse.com