104JM1A

Leaded Thermistors Glass Encapsulated Thermistor DO-35 Interchangeable JM Description Littelfuse low cost interchangeable glass encapsulated thermistors are manufactured using super stable, precision NTC chips which are hermetically sealed in a glass (DO-35 diode style) package. The result is a device which exhibits excellent long term reliability and stability even when subjected to severe environmental or thermal conditions. They are well suited for uses where their interchangeability eliminates the necessity for costly individual circuit calibration. Their uniform dimensions and axial lead configuration make them especially suitable for use with automatic insertion equipment. Options • Speacial Lead Forms Dimensions GLASS BODY • Tape and Reel Packaging Features A • High temperature • Excellent long-term • Hermetically sealed • High Voltage Insulation • Tinned CSS Lead capability to +300°C B glass package • High accuracy • Low cost C Dimensions shown in inches. A B A 0.020" ± 0.002" 0.075" 24 AWG TINNED CCS MAX 1.0" LONG MIN 0.020”±0.002” 24 AWG Tinned CCS 1.0” Long Min B C 0.075” Max 0.160” Max 0.160" MAX stability Wires are Solderable or Weldable Part Numbering System C 10 3 J M 1A Resistance @ 25ºC Base Value GLASS ENCAPSULATED THERMISTORS Multiplier, power of 10 Ex. 103 = 10 Ω x 103 = 10,000 Ω 24 AWG (0.020" ± 0.002" DIA) TINNED CCS, 1.0" LONG MIN • Point matched at specified temperatures • Non-standard resistance values and tolerances GLASS BODY No Significance Accuracy R-T Curve Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. 0.075" MAX 0.160" MAX © 2021 Littelfuse, Inc. Revised: March 23, 2021 Specifications are subject to change without notice. 1 littelfuse.com Leaded Thermistors Glass Encapsulated Thermistor DO-35 Interchangeable JM Specifications Beta (K) 0-50°C Dissipation Constant, Nominal (mW/°C) Thermal Time Constant, Max. Still Air (seconds) Thermal Time Constant, Max. - Well Stirred Oil (seconds) Temperature Range (°C) -4.4 3892 2 5 0.5 -55 to +300 J -4.4 3892 2 5 0.5 -55 to +300 ±1.0°C J -4.4 3892 2 5 0.5 -55 to +300 50000 ±1.0°C J -4.4 3892 2 5 0.5 -55 to +300 104JM1A 100000 ±1.0°C J -4.4 3892 2 5 0.5 -55 to +300 104JM2B 100000 _ J -4.4 3892 2 5 0.5 -55 to +300 Part Number Resistance Ohms @25°C Accuracy (0°C to +100°C) R-T Curve Temperature Coefficient (% / °C) @ 25°C 103JM1A 10000 ±1.0°C J 203JM1A 20000 ±1.0°C 253JM1A 25000 503JM1A Packaging Packaging Option Packaging Code Standard Quantity Standard Tape and Reel -TR 5000 EIA-296 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 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Littelfuse: 104JM1A 104JM2B-TR 203JM1A 503JM1A 103JM1A 253JM1A 104JM2B-RA 104JM2B