KC102F2K

Leaded Thermistors Epoxy Coated Thermistor KC Series Miniature Thermistors Description Littelfuse miniature leaded epoxy coated thermistors are manufactured using the same state of the art manufacturing techniques as those used to produce Littelfuse precision interchangeable devices. This results in devices with superior longterm reliability characteristics especially suitable for temperature measurement, temperature control and temperature compensation applications. Options • Non-standard • Special encapsulants or resistance values and tolerances • Special lead materials probe housings • Point matched at specified temperatures and lengths Dimensions Features • Kynar insulated EPOXY COATING B A lead wires KYNAR INSULATED WIRE • Low cost • High reliability • Epoxy encapsulated • Small size • Fast thermal response time C Part Numbering System D KC 10 3 J 2 K Dimensions shown A in inches.B A 0.2500” Nom 0.250" NOM 0.250" B 28 AWG NOM (0.013") 28 AWG 0.013” C D 0.095"C 1.5" MAX ±0.250" 0.0095” Max “KC” SERIES TEFLON INSULATED WIRE Series D Resistance @ 25ºC Base Value 1.5” ±0.250” Multiplier, power of 10 Resistance Tolerance F = ±1% K = ±10% No Significance R-T Curve Ex. 103 = 10 Ω x 103 = 10,000 Ω EPOXY COATING Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. 0.095" MAX 1.5" ±0.250" © 2021 Littelfuse, Inc. Revised: March 23, 2021 Specifications are subject to change without notice. 1 littelfuse.com Leaded Thermistors Epoxy Coated Thermistor KC Series Miniature Thermistors Specifcations Part Number Resistance Ohms @25°C *Resistance Tol. ± % @ 25°C R-T Curve Temperature Coefficient (% / °C) @ 25°C Beta (K) 0-50°C Beta (K) 25-50°C Dissipation Constant, Nominal (mW/°C) Thermal Time Thermal Time Temperature Constant, Constant, Max. Rating Max. - Still -Well Stirred (°C) Air (seconds) Oil (seconds) KC101B2K 100 10 B -3.3 2941 _ 1 10 1 -55 to +100 KC102F2K 1000 10 F -3.86 3419 _ 1 10 1 -55 to +135 KC222J2K 2252 10 J -4.4 3892 _ 1 10 1 -55 to +135 KC302J2K 3000 10 J -4.4 3892 _ 1 10 1 -55 to +135 KC502J2K 5000 10 J -4.4 3892 _ 1 10 1 -55 to +135 KC103G2K 10000 10 G -4.04 3575 _ 1 10 1 -55 to +135 KC103J2K 10000 10 J -4.4 3892 _ 1 10 1 -55 to +135 KC203J2K 20000 10 J -4.4 3892 _ 1 10 1 -55 to +135 KC203N3F 20000 1 N1 -4.5 _ 4050 _ _ _ -55 to +125 KC303J2K 30000 10 J -4.4 3892 _ 1 10 1 -55 to +135 KC503J2K 50000 10 J -4.4 3892 _ 1 10 1 -55 to +135 KC104R2K 100000 10 R -4.68 4140 _ 1 10 1 -55 to +135 * Resistance tolerances of ± 1%, 2%, and 5% are available upon request 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