Fuse Mounting Accessories Page 69 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Surface Mount Fuses NANO 2 > Very Fast Acting Fuse > 456 Series Operating Temperature -55 O C to 125 O C with proper derating Thermal Shock MIL-STD-202, Method 107, Test Condition B (5 cycles -65 O C to 125 O C) Vibration MIL-STD-202, Method 201 (10-55 Hz) Moisture Sensitivity Level J-STD-020, Level 1 Moisture Resistance MIL-STD-202 Method 106, High Humidity (90-98%RH), Heat (65 O C) Salt Spray MIL-STD-202, Method 101, Test Condition B Mechanical Shock MIL-STD-202, Method 213, Test Condition I (100 G's peak for 6 milliseconds) Product Characteristics Dimensions Part Numbering System Packaging Rating Packaging Option Packaging Specification Quantity Quantity & Packaging Code 20A, 25A, 30A 24 mm Tape and Reel EIA RS-481-2 2500 ER 40A 24 mm Tape and Reel EIA RS-481- 2 (IEC 286, part 3) 1500 DR Materials Body: Ceramic Cap: Silver Plated Brass Product Marking Body: Brand Logo, Current Rating Insulation Resistance MIL-STD-202, method 302, Test Condition A (10,000 ohms, Minimum) Solderability MIL-STD-202, Method 208 Resistance to Soldering Heat MIL-STD-202, Method 210, Test Condition B (10 sec at 260 O C) PCB Recommendation for Thermal Management Min. copper layer thickness = 100m Min. copper trace width =20A, 30 10mm (20A, 30A) / 15mm (40A) Alternate methods of thermal man- agement may be used. In such cases, under normal operations, the maxi- mum temperature of the fuse body should not exceed 90 O C in a 25 O C environment. 10.08 (.397") 3.05 (.12") 12.50 (.492) 4.445 (.175") 4.445 (.175") Recommended Pad Layout 2.173 (.086") 2.79 (.110") 0.30 (.012") 3.79 (.149") 5.72 (.225") 13.3 (.524") 5.65 (.222") 3.05 [.12"] 1.70 typ (0.067") 3.25 (.128") 3.43 (.135") 12.60 (.496") 6.10 (.240") 20 A 20A, 25A, 30A: 40A: F 40 A F 0456 020. E R SERIES AMP Code QUANTITY Code PACKAGING Code Refer to Electrical characteristics table E = 2500 pcs D = 1500 pcs R = Tape and Reel 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.

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