446

Previous Surface Mount Fuses 350 Volt Surface Mount Fuse EBF Fuse Fast-Acting Type 446/447 Series • Ideal for use in electronic lighting ballast, power supply and power inverter applications. • Rated for use in 125, 250, 277 and 350 VAC circuits. • Based on the proven reliability of the automotive MINI® Fuse; available from 2 through 10 amperes. ® ® ELECTRICAL CHARACTERISTICS: Opening Time 4 hours, Minimum 0.15 sec. Min., 5 Sec. Max AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories and CSA Certified. Approved by METI to 5 amperes. AGENCY FILE NUMBERS: UL: E71611, CSA LR 29862. INTERRUPTING RATINGS: 100 amperes at 350 VAC, 50 amperes at 125 VDC and 450 amperes at 60VDC % of Ampere Rating 100% 200% Reference Dimensions (Inches): LF 350V Recommended Pad Layout: 4.03 (.159") 5.91 (.233") 8.81 (.347") 447 Mounting Holes: 1.27 (.050") Dia 10.11 (.398") PAT 1.44 (.057") 3.81 (.150") A6 04 ENVIRONMENTAL SPECIFICATIONS: Operating Temperature: –40°C to +125°C. PHYSICAL SPECIFICATIONS: Materials: Body: Plastic Body Terminations: Tin-Lead (95/5) plated Zn, Ni barrier 10.92 (.430") 1.52 (.060") Soldering Parameters: Reflow Solder — 235°C, 5 seconds maximum. No-clean process recommended. Wave Solder — Not recommended. Non-plated terminal surfaces may not meet MIL-STD-202, Method 208. PACKAGING SPECIFICATIONS: 24mm Tape and Reel per EIA-RS481 (Equivalent to IEC 286, part 3); 800 fuses per reel, add packaging suffix, ZR. Shelf Life: Up to 1 year in Factory sealed packaging. (.295") 7.49 Average Time Current Curves 1000 ORDERING INFORMATION: Catalog Number 0446 002. 0446 003. 0446 004. 0446 005. 0446 07.5 0446 010. Ampere Rating (A) 2 3 4 5 7.5 10 Voltage Rating (VAC) 350 350 350 350 350 350 Nominal Cold Resistance(Ω) 0.0560 0.0340 0.0240 0.0180 0.0110 0.0073 Nominal Melting I2t (A2sec) 2.8 9.4 17 25 68 93 100 TIME IN SECONDS 10 EBF Fuse Fast-Acting Type 447 Series • Through-hole version of the 446 series. ® ® 1 ELECTRICAL CHARACTERISTICS: Same as 446 Series. Dimensions: Contact Littelfuse for specifications. Soldering Parameters: Contact Littelfuse for soldering parameters. Inside terminal face of each lead is non-plated zinc. Non-plated zinc terminal faces may not meet MIL-STD-202, method 208. To ensure that the fuse is acceptable for the application, appropriate application testing should be performed. 0.1 Packaging Specifications: Bulk Pack (4,000 pieces per pack) 0.01 0.1 1 10 100 CURRENT IN AMPERES 1000 w w w. l i t t e l f u s e . c o m 277 SURFACE MOUNT FUSES 2A 3A 4A 5A 7 1/2A 10A 602 8.76 (.345") 1.50 (.059") MAX 3.2 5.59 (.126") (.220") 3.2 (.126") 0.81 (.032") 7 (.032") 0.81