Surface Mount Thermistors End Banded Chip Thermistor RA Series 0402 End-Banded Chip Thermistors Description Littelfuse surface mount end-banded thermistor elements are designed for use on hybrid substrates, integrated circuits or printed circuit boards. They have a solder coated metallization which is suitable for various contact techniques including wire bond, epoxy or solder. Since they are manufactured using the most advanced equipment and technology available, their dimensional parameters are extremely uniform making the devices especially suitable for use with automatic handling and placement equipment. Options Non-standard Tape and reel resistance values packaging and tolerances Solder coated metallization Dimensions Features Surface mountable Low cost B Small size Nickel Barrier C A Part Numbering System THICKNESS RA 10 3 G 0 J Series Resistance Tolerance SOLDER PLATED J = 5% TERMINATIONS Resistance 25C No Significance Base Value Dimensions shown in inches. R-T Curve Multiplier, power of 10 3 A B C Ex. 103 = 10 x 10 = 10,000 A B C D 0.208 0.0394 0.0197 0.079 Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. 0.0394 0.0197 0.028 Max 0.008 0.008 NOM 0.008 0.008 MAX RA SERIES 0.0394 0.008 0.0197 THICKNESS: 0.008 0.028 MAX BAND WIDTH: 2018 Littelfuse, Inc. Revised: May 7, 2018 1 littelfuse.com 0.079 Specifications are subject to change without notice. SOLDER PLATED NOMINAL TERMINATIONSSurface Mount Thermistors End Banded Chip Thermistor RA Series 0402 End-Banded Chip Thermistors Specifications Resistance *Resistance Temperature Maximum Temperature Part Beta (K) Beta (K) Ohms Tol. % Coefficient Power Rating Number 0-50C 25-85C 25C 25C (% / C) 25C Rating (C) RA103G0J 10000 5 40 3800 -40 to +125 RA103J0J 10000 5 -4.4 3976 -40 to +125 RA103J0Q 10000 1 -4.4 3900 -40 to +125 RA303K0J 30000 5 40 4000 -40 to +125 RA473K0J 47000 5 40 4000 -40 to +125 RA104R0J 100000 5 40 4250 -40 to +125 RA204R0J 200000 5 40 4250 -40 to +125 *Resistance tolerances of 1%, 2%, and 5% are available upon request Packaging EIA-481 Packaging Code Standard Tape and Reel -TR EIA-481 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: May 7, 2018 2 littelfuse.com Specifications are subject to change without notice.