Leaded Thermistors Glass Coated Chip Thermistor GR Series Glass Coated Chip Thermistor Description Littelfuse radial leaded glass coated chip thermistors feature excellent long-term stability and reliability as well as a fast thermal response time. They are especially suitable for temperature measurement and control where extreme temperatures, corrosive atmospheres and/or harsh environments are encountered. Their low cost and excellent reliability make them useful for applications ranging from HVAC/R to Industrial Controls to Consumer Appliances. Options Non-standard resistance values and tolerances Features Dimensions High temperature Solderable lead wires capability to +300C C High stability B Part Numbering System A D GR 10 1 B 1M GLASS BODY Series Resistance Tolerance K = 10% M = 20% Resistance 25C No Significance Dimensions shown in inches. Base Value A B C D R-T Curve A B C D Multiplier, power of 10 1 Ex. 101 = 10 x 10 = 100 0.0098 0.090 0.160 1.00 Nom Diam Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. Max Max Min Lead Wires 2018 Littelfuse, Inc. Revised: February 26, 2018 1 littelfuse.com Specifications are subject to change without notice. Leaded Thermistors Glass Coated Chip Thermistor GR Series Glass Coated Chip Thermistor Specifications Thermal Dissipation Temperature Temperature Resistance *Resistance Time Coefficient Beta (K) Constant, Part R-T Ohms Tol. Constant, Range Number (% / C) Curve 25-85 C Nominal Max. - Still Air 25C % 25C (C) 25C (mW/C) (seconds) GR101B1M 100 20 -3.18 B7 2826 14 -55 to +300 GR102F1K 1000 10 -3.86 F 3499 1.3 14 -55 to +300 GR302J1K 3000 10 -4.4 J 3977 1.3 14 -55 to +300 GR103E1K 10000 10 -3.82 E1 3435 1.3 14 -55 to +300 GR103J1K 10000 10 -4.4 J 3977 1.3 14 -55 to +300 GR104R1K 100000 10 -4.68 R 4263 1.3 14 -55 to +300 *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 2018 Littelfuse, Inc. Revised: February 26, 2018 2 littelfuse.com Specifications are subject to change without notice.