Fuse Mounting Accessories Page 59 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Surface Mount Fuses NANO 2 > Slo-Blo Fuse > 449 Series 1 A T 6.86 (.270") 3.15 (.124") 2.95 (.116") 1.96 (.077") 2.69 .25 (.106") 2.69 .25 (.106") 1.45 (.057") 6.10 .20 (.240") Recommended pad layout F Materials Body: Ceramic Terminations: Gold-plated Caps Product Marking Brand, Amperage Rating Operating Temperature -55C to 125C Moisture Sensitivity Level Level 1, J-STD-020 Solderability MIL-STD-202, Method 208 Insulation Resistance (after Opening) MIL-STD-202, Method 302, Test Condition A (10,000 ohms minimum) Thermal Shock MIL-STD-202, Method 107, Test Condition B, 5 cycles, -65C to 125C, 15 minutes @ each extreme Mechanical Shock MIL-STD-202, Method 213, Test I: Deenergized. 100G's pk amplitude, sawtooth wave 6ms duration, 3 cycles XYZ+xyz = 18 shocks Vibration MIL-STD-202, Method 201: 0.03" amplitude, 10-55 Hz in 1 min. 2hrs each XYZ=6hrs Moisture Resistance MIL-STD-202, Method 106, 10 cycles Salt Spray MIL-STD-202, Method 101, Test Condition B (48hrs) Resistance to Soldering Heat MIL-STD-202, Method 210, Test condition B (10 sec at 260C) Product Characteristics Dimensions Packaging Part Numbering System Packaging Option Packaging Specification Quantity Quantity & Packaging Code 12mm Tape and Reel EIA RS-481-2 (IEC 286, part 3) 1000 MR 0449 001. M R SERIES AMP Code * QUANTITY Code PACKAGING Code Refer to Electrical charac- teristics table M = 1000 pcs R = Tape and Reel *Example: 0.375 Amp product is 0449 .375 MR (1 amp product shown above). 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.

Previous Page
Next Page