SURFACE MOUNT FUSES SURFACE MOUNT 0603 Very Fast-Acting Thin-Film Type 431 Series ® ® Super-small size saves valuable board space while providing high power density. Ideal for circuit protection of disk drives, PCMCIA cards and cellular phones. ELECTRICAL CHARACTERISTICS: 100% 200% 300% 4 hours, Minimum 5 seconds, Maximum 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 125°C. 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: Wave Solder — 260°C, 10 seconds maximum Reflow Solder— 260°C, 30 seconds maximum PACKAGING SPECIFICATIONS: 8mm Tape and Reel per EIA-RS481 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR. PATENTED ORDERING INFORMATION: Catalog Ampere Number Rating 431.250 1/4 431.375 3/8 431.500 1/2 431.750 3/4 431 001 1 431 01.5 11/2 431 002 2 431 02.5 21/2 431 003 3 431 03.5 31/2 431 004 4 431 005 5 1 2 Voltage Rating 32 32 32 32 32 32 32 32 32 32 32 32 Nominal Resistance Cold Ohm1 0.375 0.265 0.193 0.114 0.072 0.048 0.036 0.028 0.023 0.019 0.017 0.013 Measured at 10% of rated current, 25°C. Measured at 100% of rated current, 25°C. Nominal Voltage Drop (V)2 0.130 0.084 0.120 0.110 0.100 0.082 0.077 0.089 0.080 0.090 0.100 0.107 Melting I2t (A2 Sec.) 0.0030 0.0053 0.0087 0.0171 0.0210 0.0696 0.104 0.175 0.198 0.265 0.420 0.600 Reference Dimensions: 0.063" ± .005 0.040" 0.100" 0.031" ± .004 0.030" 0.043" REFLOW SOLDER R 0.008" 0.041" ± .010 .000 0.043" 0.017"REF. 0.018" ± .003 0.126" 0.040" 0.015" ± .001 0.014" ± .005 0.043" WAVE SOLDER Average Time Current Curves .25A .375A .5A .75A 1A 1.5A 2A 2.5A 3A 3.5A 4A 5A Opening Time at 25°C 1 TIME IN SECONDS % of Ampere Rating 0.1 0.01 0.001 0.05 0.1 1 10 CURRENT IN AMPERES 32 100