431 LITTELFUSE
Document overview
- Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 1
Technical content
www.littelfuse.com
0603 Very Fast-Acting Fuse 431 Series
0.01 0.1 0.1 100 10 100 0.001 1.5A .75A .5A .375A .25A 2.5A 3.5A 1.60 (.063") .36 (.014") .79 (.031") .46 (.018") R .20 (.008") .43 (.017") REF. 1.04 (.041") REFLOW SOLDER 1.02 (.040") .76 (.030") 1.09 (.043") 2.54 (.100") Reference Dimensions: OBSOLETE
- For new designs please use the 434 or 467 Series products. ELECTRICAL CHARACTERISTICS: % of Ampere Opening Rating Time at 25 °C 100% 4 hours, Minimum 200% 5 seconds, Maximum 300% 0.2 seconds, Maximum AGENCY APPROVALS:Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. INTERRUPTING RATINGS: .25–1A 50 amperes at 32 VAC/VDC 1–5A 35 amperes at 32 VAC/VDC ENVIRONMENTAL SPECIFICATIONS: Operating Temperature:–55°C to 90°C. Consult temperature rerating chart on page 4. For operation above 90°C contact Littelfuse. Vibration: Withstands 10-55 HZ per MIL-STD-202F , Method 201A and 10-2000 HZ at 20 G’s per MIL-STD-202F , Method 204D, Condition D. Insulation Resistance (After Opening): Greater than 500,000 ohms. Resistance To Soldering Heat:Withstands 60 seconds above 200°C up to 260°C, maximum. Thermal Shock: Withstands 5 cycles of –50°C to 125°C. PHYSICAL SPECIFICATIONS: Materials: Body: Epoxy Substrate Terminations: Copper/Nickel/Tin-Lead (95/5) Cover Coat: Conformal Coating Soldering Parameters: Reflow Solder— 260°C, 30 seconds maximum PACKAGING SPECIFICATIONS:8mm Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR. PATENTED ORDERING INFORMATION: For New Designs Use 434 or 467 Series. Nominal Catalog Ampere Voltage Resistance Melting I 2t Number Rating Rating Cold Ohm 1 (A2 Sec.) 431.250 0.25 32 0.375 0.0030 431.375 0.375 32 0.265 0.0053 431.500 0.5 32 0.193 0.0087 431.750 0.75 32 0.114 0.0171 431 001 1 32 0.072 0.0210 431 01.5 1.5 32 0.048 0.0526 431 002 2 32 0.036 0.104 431 02.5 2.5 32 0.028 0.175 431 003 3 32 0.023 0.198 431 03.5 3.5 32 0.019 0.265 431 004 4 32 0.017 0.352 431 005 5 32 0.013 1.600 1 Measured at 10% of rated current, 25 °C. Average Time Current Curves