KT104R2

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