0203003.URG

Surface Mount Fuses FLAT-PAK® Slo-Blo® Fuse > 203 Series 203 Series Fuse Description Fast-Acting (202 Series) and Slo-Blo(R) (Series 203) 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. Agency Approvals Agency Additional Information Agency File Number Ampere Range E10480 0.250A - 5A 29862 0.250A - 5A Datasheet Samples Resources Electrical Characteristics for Series % of Ampere Rating Opening Time 100% 4 hours, Minimum 200% 1 second, Min; 30 seconds Max. Electrical Specifications by Item Amp Code Max Voltage Rating (V) 0.25 .250 0.50 .500 0.75 .750 1.00 001. 250 0.0755 0.328 x x 1.50 01.5 250 0.0399 0.850 x x 2.00 002. 250 0.0337 1.70 x x 2.50 02.5 250 0.0243 2.87 x x 3.00 003. 250 0.0197 4.40 x x 4.00 004. 250 0.0148 11.66 x x 5.00 005. 250 0.0120 14.7 x x Ampere Rating (A) Interrupting Rating Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) 250 1.320 0.0126 x x 250 0.433 0.112 x x 250 0.158 0.462 x x 50A@250VAC © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: 07/30/19 Surface Mount Fuses FLAT-PAK® Slo-Blo® Fuse > 203 Series 0.25A 0.50A 0.75A 1A 1.5A 2A 2.5A 3A 4A 5A Average Time Current Curves Temperature Re-rating Curve 100 10 LF LF F 2A 250 V F 2A 250 V PAT 4563666 PAT 4563666 9.45 (.372") 9.45 (.372") 6.35 (.250") 6.35 (.250") 4.19 (.165") 4.19 (.165") 0.08 (.003") 1.40 (.055") .135" 10.16 (.400") o 6 0.53 (.021") 1.52 (.060") TIME IN SECONDS 202G FLAT- PAK 202 FLAT- PAK 1 .1 15.24 (.600") 0.30 (.012") Note: SMF Configuration DIP Configuration 1. Rerating depicted in this curve is in addition to the("Gull standard derating of 25% for Wing" Surface Mount) (Thru-Hole) Mounting continuous operation. 17.12 (.674) 0.01 4.06 (.160) Soldering Parameters 11.53 (.454) 2.79 (.110) Recommended Pad Layout Wave Soldering 260°C, 3 seconds max. Reflow Soldering 215°C, 30 seconds max. 0.001 0.05 0.1 1 10 100 CURRENT IN AMPERES 1000 Dimensions LF Product Characteristics 203G FLAT- PAK 203 FLAT- PAK LF T 2A 250 V T 2A 250 V PAT 4563666 PAT 4563666 9.45 (.372") 9.45 (.372") 6.35 (.250") 6.35 (.250") 4.19 (.165") 0.08 (.003") 1.40 (.055") .135" 10.16 (.400") 6o 4.19 (.165") 0.53 (.021") 0.30(.012") 1.52 (.060") Materials Body: Thermoplastic Terminations: Tin/Lead Plated Copper Solderability MIL-STD-202, Method 208. Cleaning Board washable in most common solvents. Operating Temperature –55OC to 125OC 15.24 (.600") SMF Configuration ("Gull Wing" Surface Mount) DIP Configuration (Thru-Hole) Mounting 17.12(.674) 4.06(.160) 11.53(.454) 2.79 (.110) Recommended Pad Layout Part Numbering System Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Surface Mount Fuses: Through Hole Fuses: Series Series Amp Code Amp Code 0203 002. HXG Surface Mount Fuses Bulk 24mm Tape and Reel Antistatic Magazine – 100 EIA 481 (IEC60286, 500 part 3) Through Hole Fuses – 100 0203 002. H HXG URG H Refer to Amp Code column of Electrical Characteristics Table Quantity Code HXG = 100 URG = 500 Refer to Amp Code column of Electrical Characteristics Table Quantity Code H = 100 Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics. © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/30/19