SB272J1K

Surface Mount Thermistors MELF Style Thermistor SB Series LL-41 MELF Thermistors Description Littelfuse LL-41 “MELF” style glass encapsulated surface mount thermistors are manufactured using super stable NTC chips which are hermetically sealed in a glass package. The result is a device which exhibits excellent long-term reliability and stability even when subjected to severe environmental or thermal conditions. Their uniform dimensions make them especially suitable for use with automatic insertion equipment. Options • Non-standard resistance values and tolerances • Point matched at specified temperatures Features Dimensions A TINNED DUMET CONTACT TABS C • Tape and Reel Packaging GLASS BODY B • High temperature capability to +220°C • Surface mountable • Hermetically sealed glass package • Low cost • Excellent long-term stability Part Numbering System SB 10 2 F 1 K Dimensions in inches A B C 0.197” ± 0.012” 0.016” ± 0.005” 0.096” ± 0.008” Series Resistance @ 25°C Base Value Multiplier, Power of 10 Ex: 102 = 10 Ω X 102 = 1,000 Ω R- T Curve No Significance Resistance Tolerance Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. © 2020 Littelfuse Revised: 07/07/20 Specifications are subject to change without notice. littelfuse.com Surface Mount Thermistors MELF Style Thermistor SB Series LL-41 MELF Thermistors Specifications Beta (K) 0-50°C Dissipation Constant, Nominal (mW/°C) Thermal Time Constant, Max. - Still Air (seconds) Temperature Rating (°C) -3.86 3419 3 8 -55 to +220 J -4.4 3892 3 8 -55 to +220 10 J -4.4 3892 3 8 -55 to +220 2,700 10 J -4.4 3892 3 8 -55 to +220 SB302J1K 3,000 10 J -4.4 3892 3 8 -55 to +220 SB502J1K 5,000 10 J -4.4 3892 3 8 -55 to +220 SB203R1K 20,000 10 R -4.68 4140 3 8 -55 to +220 Part Number Resistance Ohms @ 25°C *Resistance Tolerance ±% @ 25°C R-T Curve Temperature Coefficient (% / °C) @ 25°C SB102F1K 1,000 10 F SB222J1K 2,252 10 SB252J1K 2,500 SB272J1K *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. © 2020 Littelfuse Revised: 07/07/20 Specifications are subject to change without notice. littelfuse.com