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0448.750 Datasheet(PDF) 1 Page - Littelfuse |
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0448.750 Datasheet(HTML) 1 Page - Littelfuse |
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1 / 1 page 374 Surface Mount Fuses www .littelfuse .com Subminiature Surface Mount Lead-Free NANO 2® Fuse Very Fast-Acting 448 Series The lead free Nano2 SMF Fuse is a very small, square surface mount fuse that is RoHS compliant and 100% Lead-Free. This product is fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly. ELECTRICAL CHARACTERISTICS: % of Ampere Ampere Opening Rating Rating Time 100% 1/16 –15 4 hours, Minimum 200% 1/16 –10 5 seconds, Maximum 12–15 20 seconds, Maximum AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. Approved by METI from 1 through 5 amperes. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. INTERRUPTING RATINGS: 1/16 – 8A 50 amperes at 125 VAC/VDC 300 amperes at 32 VDC 10A 35 amperes at 125 VAC/50 amperes at 125 VDC 300 amperes at 32 VDC 12A – 15A 50 amperes at 65 VAC/VDC 300 amperes at 24 VDC ENVIRONMENTAL SPECIFICATIONS: Operating Temperature: –55°C to 125°C. Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds). Vibration: MIL-STD-202, Method 201 (10–55 Hz). Salt Spray: MIL-STD-202, Method 101, Test Condition B. Insulation Resistance (After Opening): MIL-STD-202, Method 302, Test Condition A, (10,000 ohms minimum). Resistance to Soldering Heat: MIL-STD-202, Method 210, Test Condition B (10 sec. at 260°C). Thermal Shock: MIL-STD-202, Method 107, Test Condition B (–65 to 125°C). Moisture Resistance: MIL-STD-202, Method 106, High Humidity (90-98 RH), Heat (65°C). ORDERING INFORMATION: F 7 A 6.86 (.270") 3.15 (.124") 2.95 (.116") 1.96 (.077") 2.69 (.106") 2.69 (.106") 1.45 (.057") 6.10 (.240") Recommended pad layout Nominal Nominal Ampere Voltage Resistance Melting I 2t Catalog # Rating Rating Cold Ohms A 2 Sec. 0448.062 0.062 125 5.50 0.00023 0448.080 0.080 125 4.42 0.00043 0448.100 0.100 125 2.90 0.00082 0448.125 0.125 125 2.58 0.00130 0448.160 0.160 125 1.76 0.00280 0448.200 0.200 125 1.40 0.00380 0448.250 0.250 125 1.05 0.01520 0448.315 0.315 125 0.7900 0.0265 0448.375 0.375 125 0.7300 0.0240 0448.400 0.400 125 0.4895 0.0416 0448.500 0.500 125 0.3800 0.1000 0448.630 0.630 125 0.2821 0.121 0448.750 0.750 125 0.2475 0.206 0448.800 0.800 125 0.1907 0.272 0448 001. 1.0 125 0.08630 0.441 0448 1.25 1.25 125 0.06619 0.900 0448 01.5 1.5 125 0.06514 0.900 0448 01.6 1.6 125 0.06261 1.122 0448 002. 2.0 125 0.03529 0.812 0448 02.5 2.5 125 0.02934 1.156 0448 003. 3.0 125 0.02445 1.720 0448 3.15 3.15 125 0.02300 1.810 0448 03.5 3.5 125 0.02100 2.300 0448 004. 4 125 0.01577 3.970 0448 005. 5 125 0.01531 4.490 0448 06.3 6.3 125 0.01044 12.10 0448 007. 7 125 0.00900 13.92 0448 008. 8 125 0.00780 18.33 0448 010. 10 125 0.00700 28.00 0448 012. 12 65 0.00533 47.59 0448 015. 15 65 0.00394 96.10 ® ® RoHS PHYSICAL SPECIFICATIONS: Materials: Body: Ceramic, blue ink used for device marking Terminations: Gold over nickel plated brass caps Soldering Parameters(see page 3 for typical soldering profile): Wave Solder — 260°C, 10 seconds maximum Reflow Solder — 260°C, 30 seconds maximum Solderability: MIL-STD-202, Method 208. PACKAGING SPECIFICATIONS: 12mm Tape and Reel per EIA-RS481-1 (IEC 286, part3); 1,000 pieces per reel, add packaging suffix, MR; 5,000 per reel, add packaging suffix NR. PATENTED Pb 0.001 0.01 0.1 1 10 100 0 0 0 1 0 0 1 0 1 1 1 . 0 CURRENT IN AMPS Average Time Current Curves |
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