KT203J2 Littelfuse

Leaded Thermistors Interchangeable Thermistor KT Series Standard 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 Epoxy encapsulated Fast thermal response High stability EPOXY Low cost Long life B COATING KYNAR Small size R/T Curve-matched INSULATED WIRE A C Part Numbering System D KT 1 0 2 J 2 Series No Significance Dimensions shown in inches. A B C D R-T Curve A B C D Resistance 25C 0.250 30 AWG 0.095 1.5 Base Value ( ) NOM 0.010 MAX 0.250 0.250 30 AWG 0.095 1.5 Multiplier, power of 10 Nom 0.010 Max 0.250 2 Ex. 102 = 10 x 10 = 1,000 KS & KT SERIES Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. EPOXY COATING 0.250 ( ) 30 AWG 0.010 KYNAR NOM INSULATED WIRE 0.095 MAX 1.5 .250 2021 Littelfuse, Inc. Revised: April 15, 2021 1 littelfuse.com Specifications are subject to change without notice. Leaded Thermistors Interchangeable Thermistor KT Series Standard Precision Interchangeable Thermistors Specifications Thermal Thermal Storage & Temperature Dissipation Time Time Resistance Accuracy Temperature Operation Part R-T Coefficient Beta (K) Constant, Constant, Constant, Ohms (C) Range Temp for Best Number Curve (% / C) 0-50C Nominal Max. - Still Max. - Well 25C 0-70C (C) L/T Stability 25C (mW/C) Air Stirred Oil (C) (seconds) (seconds) KT102J2 1000 0.2C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT222J2 2252 0.2C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT302J2 3000 0.2C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT502J2 5000 0.2C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT602J2 6000 0.2C J -4.4 4140 1 10 1 -80 to +150 -80 to +75 KT602J2 6000 0.1C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT103G2 10000 0.2C G -4.04 3575 1 10 1 -80 to +150 -80 to +75 KT103J2 10000 0.2C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT203J2 20000 0.2C J -4.4 4140 1 10 1 -80 to +150 -80 to +75 KT303J2 30000 0.2C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT503J2 50000 0.2C J -4.4 3892 1 10 1 -80 to +150 -80 to +75 KT503R2 50000 0.2C R -4.68 3892 1 10 1 -80 to +150 -80 to +75 KT104R2 100000 0.2C R -4.68 3892 1 10 1 -80 to +150 -80 to +75 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: April 15, 2021 2 littelfuse.com Specifications are subject to change without notice.