PR203J2 Littelfuse

Leaded Thermistors Interchangeable Thermistor PR Series Ultra 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 High accuracy High stability Fast thermal response Long life Small size R/T Curve-matched EPOXY A COATING Epoxy encapsulated TINNED COPPER ALLOY WIRE B Part Numbering System C PR 1 0 3 J 2 Series No Significance Dimensions shown in inchesA. B C R-T Curve Resistance 25C A B C 30 AWG 0.095 1.5 Base Value ( ) 0.010 MAX Min 30AWG 0.095 1.5 Multiplier, power of 10 3 0.010 Max Min Ex. 103 = 10 x 10 = 10,000 Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. Ultra Precision PR Series EPOXY ( ) 30 AWG 0.010 COATING TINNED ALLOY WIRE 0.095 MAX 1.5 MIN 2018 Littelfuse, Inc. Revised: February 26, 2018 1 littelfuse.com Specifications are subject to change without notice. Leaded Thermistors Interchangeable Thermistor PR Series Ultra Precision Interchangeable Thermistors Specifications Thermal Thermal Storage & Temperature Max. Dissipation Time Time Temprature Resistance Accuracy Operation Part R-T Coefficient Beta (K) Power Constant, Constant, Constant, Ohms (C) Rating Temp for Best Number Curve (% / C) 0-50C Max. - Still Max. - Well Rating Nominal L/T Stability 25C 0-50C (C) Air Stirred Oil 25C (mW) (mW/C) (C) (seconds) (seconds) PR222J2 2252 0.05C J -4.4 3892 30 1 10 1 -55 to +80 -55 to +50 PR302J2 3000 0.05C J -4.4 3892 30 1 10 1 -55 to +80 -55 to +50 PR502J2 5000 0.05C J -4.4 3892 30 1 10 1 -55 to +80 -55 to +50 PR103J2 10000 0.05C J -4.4 3892 30 1 10 1 -55 to +80 -55 to +50 PR203J2 20000 0.05C J -4.4 3892 30 1 10 1 -55 to +80 -55 to +50 PR303J2 30000 0.05C J -4.4 3892 30 1 10 1 -55 to +80 -55 to +50 PR503J2 50000 0.05C J -4.4 3892 30 1 10 1 -55 to +80 -55 to +50 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 2 littelfuse.com Specifications are subject to change without notice.