Fuse Mounting Accessories Page 57 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 449 Series Fuse Description The lead free NANO 2 Slo-Blo fuse is RoHS compliant, Halogen Free and 100% lead-free. This product is fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly. The Slo-Blo fuse design has enhanced inrush withstand characteristics over the NANO 2 Fast-Acting Fuse. The unique time delay feature of this fuse design helps solve the problem of nuisance "opening" by accommodating inrush currents that normally cause a fast-acting fuse to open. Agency Approvals AGENCY AGENCY FILE NUMBER AMPERE RANGE E10480 0.375A - 5A PS E NBK030205-E10480B 1A - 5A Electrical Characteristics for Series Features RoHS Pb % of Ampere Rating Opening Time 100% 4 hours, Minimum 200% 1 sec., Min.; 60 sec., Max. 300% 0.2 sec., Min.; 3 sec., Max 800% 0.02 sec., Min.; 0.1 sec., Max. Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I 2 t (A 2 sec) Agency Approvals PS E 0.375 .375 125 50A @125 VAC/VDC PSE: 100A @100 VAC 1.5130 0.088 x 0.500 .500 125 0.7633 0.258 x 0.750 .750 125 0.4080 0.847 x 1.00 001. 125 0.2516 1.76 x 1.50 01.5 125 0.1186 4.70 x 2.00 002. 125 0.0708 6.76 x 2.50 02.5 125 0.0400 13.18 x 3.00 003. 125 0.0352 19.55 x 3.50 03.5 125 0.0261 32.70 x 4.00 004. 125 0.0227 40.80 x 5.00 005. 125 0.0171 59.59 x Applications Notebook PC LCD/PDP TV LCD monitor LCD/PDP panel LCD backlight inverter Portable DVD player Power supply Networking PC server Cooling fan system Storage system Telecom system Wireless basestation White goods Game console Office Automation equipment Battery charging circuit protection Industrial equipment Secondary protection for space constrained applications: Lead-free, Halogen free and RoHS compliant Small size Wide range of current ratings available Wide operating temperature range Low temperature rerating PS E Notes: - l 2 t calculated at 8ms. Resistance is measured at 10% of rated current, 25C Additional Information Datasheet Samples Resources Application testing is strongly recommended.

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