AXIAL LEAD AND CARTRIDGE FUSES SUBMINIATURE PICO® II 250 Volt Very Fast-Acting Type Fuse ® The PICO® II 250 Volt Fuse is a specially designed axial leaded fuse that achieves a 250 volt rating in a small package for both domestic and international applications. ELECTRICAL CHARACTERISTICS: Opening Time 4 hours, Minimum 1 second, Maximum 0.1 second, Maximum Catalog Number 263.062 263.125 263.250 263.375 263.500 263.750 263 001 263 01.5 263 002 263 02.5 263 003 263 03.5 263 004 263 005 44 Ampere Rating 1/16 1/8 1/4 3/8 1/2 3/4 1 11/2 2 21/2 3 31/2 4 5 Voltage Rating 250 250 250 250 250 250 250 250 250 250 250 250 250 250 Nominal Resistance Cold Ohms 5.50 1.75 1.2 0.730 0.510 0.300 0.210 0.0560 0.0420 0.0335 0.0280 0.0238 0.0210 0.0180 Nominal Melting I 2t A2 Sec. 0.000192 0.00251 0.0165 0.0444 0.1125 0.0411 0.087 0.398 0.74 1.197 1.77 2.33 3.08 5.55 .300" REF. 1.5" 1.5" LF 3 1/2 A 250 V .145" DIA. REF. .025" DIA. 3/8A 1/2A 3/4A 1A 1 1/2A 2A 2 1/2A 3A 3 1/2A 4A 5A 1/4A 1/8A Average Time Current Curves 1/16A AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. INTERRUPTING RATING: 50 amperes at 250 VAC. 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); MIL-STD-202, Method 204, Test Condition C (55–2000 Hz at 10 G’s Peak). Salt Spray: MIL-STD-202, Method 101, Test Condition B (48 hrs.). Insulation Resistance (After Opening): MIL-STD-202, Method 302, Test Condition A (10,000 ohms minimum at 100 volts). Resistance to Soldering Heat: MIL-STD-202, Method 210, Test Condition C (10 sec at 260°C). Thermal Shock: MIL-STD-202, Method 107, Test Condition B (–55°C to 125°C). Moisture Resistance: MIL-STD-202, Method 106. PHYSICAL SPECIFICATIONS: Materials: Encapsulated, Epoxy-Coated Body; Solder Coated Copper Leads. Soldering Parameters: Wave Solder — 260°C, 10 seconds maximum. Solderability: MIL-STD-202, Method 208. Lead Pull Force: MIL-STD-202, Method 211, Test Condition A (will withstand 7 lb. axial pull test). PACKAGING SPECIFICATIONS: Tape and Reel per EIA-296; T1: 2.062" (52.4mm) taped spacing; 4,000 per reel. PATENTED ORDERING INFORMATION: 100 10 TIME IN SECONDS % of Ampere Rating 100% 200% 300% 1 0.1 0.01 0.001 0.05 0.1 1 10 CURRENT IN AMPERES 100 ®