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203 Datasheet(PDF) 1 Page - Littelfuse |
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203 Datasheet(HTML) 1 Page - Littelfuse |
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1 / 1 page 385 Surface Mount Fuses www .littelfuse .com Subminiature Surface Mount & Dip Types FLAT-PAK ® Slo-Blo® Fuse 203 Series 9.45 (.372") 6.35 (.250") 4.19 (.165") 0.53 (.021") 10.16 (.400") .135" 0.30 (.012") 6 o 202 FLAT- PAK LF F 2A 250 V PAT 4563666 DIP Configuration (Thru-Hole) Mounting 9.45 (.372") 6.35 (.250") 4.19 (.165") 202GFLAT- PAK LF F 2A 250 V PAT 4563666 SMF Configuration ("Gull Wing" Surface Mount) 1.52 (.060") 0.08 (.003") 1.40 (.055") 15.24 (.600") 17.12 (.674) 4.06 (.160) 11.53 (.454) 2.79 (.110) Recommended Pad Layout Reference Dimensions: 100 10 1 0.01 0.001 1000 100 10 1 0.1 0.05 CURRENT IN AMPERES .1 Average Time Current Curves • For new designs please use the 465 Series, NANO2® 250V UMF Fuse. Fast-Acting and Slo-Blo® Fuse versions of the Flat-Pak Fuse designs are available. Both designs are available in either a gull-wing surface mount package or a DIP configuration for through-hole mounting. These fuse designs feature a 250 VAC rating in a low profile, rectangular package. ELECTRICAL CHARACTERISTICS: % of Ampere Opening Rating Time 100% 4 hours, Minimum 200% 1 second, Minimum 30 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 RATING: 50 amperes at 250 VAC. ENVIRONMENTAL SPECIFICATION: Operating Temperature: –55°C to 125°C. PHYSICAL SPECIFICATIONS: Materials: Body: Thermoplastic Terminations: Tin/Lead Plated Copper Soldering Parameters: Wave Solder — 260°C, 3 seconds maximum. Reflow Solder — 215°C, 30 seconds maximum. Solderability: MIL-STD-202, Method 208. Cleaning: Board washable in most common solvents. PACKAGING SPECIFICATIONS: SMF Fuses — 24mm Tape and Reel per EIA-RS481-2 (IEC 286, part 3); 500 per reel. DIP Fuses — Antistatic magazine, 100 per magazine. PATENTED ® ® Nominal Nominal Catalog Catalog 1 Ampere Voltage Resistance Melting I 2t Number Number Rating Rating Cold Ohms A 2 Sec. 203.250 203.250G 1/4 250 1.36 0.0126 203.500 203.500G 1/2 250 0.433 0.112 203.750 203.750G 3/4 250 0.158 0.327 203 001 203 001G 1 250 0.0755 0.328 203 01.5 203 01.5G 11/2 250 0.0390 0.850 203 002 203 002G 2 250 0.0345 1.70 203 02.5 203 02.5G 21/2 250 0.0237 2.87 203 003 203 003G 3 250 0.0197 4.40 203 004 203 004G 4 250 0.0148 8.75 203 005 203 005G 5 250 0.0124 14.7 1 SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”. ORDERING INFORMATION 10 |
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