455 LITTELFUSE | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
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Technical content
www.littelfuse.com Subminiature Surface Mount NANO2® UMF Fast-Acting Fuse 455 Series
- The Nano2 UMF Fuse is a very small, square surface mount fuse design.
- Designed to International (IEC) Standards for use globally.
- Meets IEC 60127-4 UMF specifications for Fast-Acting Fuses
- RoHS Compliant version now available, use ordering suffix ‘L ’ (see example on data sheet). ELECTRICAL CHARACTERISTICS: % of Ampere Opening Rating Time 125% 1 hour, Minimum 200% 2 minutes, Maximum 1000% 0.001 sec, Min; .01 sec Max AGENCY APPROVALS:Listed to IEC 60127-4, Universal Modular Fuse- Links (UMF), 125V. AGENCY FILE NUMBERS: UL E184655. INTERRUPTING RATINGS: 50 amperes at 125 VAC/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). PHYSICAL SPECIFICATIONS: Materials: Body: Ceramic Terminations: Tin-Lead Alloy RoHS Compliant Terminations: Gold over Nickel Plated Caps Soldering Parameters: 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. Options: For RoHS Compliant devices add the letter ‘L ’ to end of packag- ing suffix. Example: 0455001.NRL (RoHS Compliant 1A, 5,000 per reel). PATENTED ORDERING INFORMATION: 100 0.1 0.01 0.001 .5A 1.6A 0.05 0.1 1 10 100 1000 TIME IN SECONDS CURRENT IN AMPERES .4A Average Time Current Curves F 1 A 2.69 (.106") 2.69 (.106") 1.45 (.057") 6.10 (.240") Nominal Nominal Catalog Ampere Voltage Cold Resistance Melting I 2t Number Rating Rating (Ohms) 1 (A2 sec) 0455.400 0.4 125 0.420 0.0795 0455.500 0.5 125 0.305 0.143 0455 001. 1.0 125 0.078 0.645 0455 01.6 1.6 125 0.0532 1.060 1Measured at 10% of rated current, 25°C. 6.86 (.270") 3.15 (.124") 2.95 (.116")1.96 (.077") Recommended pad layout RoHS