Surface Mount Fuses EBF Fuse Fast-Acting > 446/447 Series 446/447 Series EBF Fuse Fast-Acting RoHS Pb Description 446 Series (surface mount leads) 447 Series (thru-hole leads) The 446/447 series are circuit-board mountable, flat profile, fast-acting fuses designed for protection of electronic ballasts and power inverter applications. The 446 series is designed with leads for surface mount applications, and the 447 series is designed with leads for through-hole applications. This series of devices are 100% lead-free and meets the requirements of the RoHS directive. Features • RoHS compliant and 100% lead-free Agency Approvals AGENCY AGENCY FILE NUMBER AMPERE RANGE E71611 2A - 10A 29862 2A - 10A 250, 277 and 350 VAC circuits. • Ideal for use in electronic lighting ballast, power supply and power inverter applications. • Rated for use in 125, • Based on the proven reliability of the automotive MINI® Fuse; available from 2 through 10 amperes. Electrical Characteristics for Series % of Ampere Rating Opening Time 100% 4 hours, Minimum 200% 0.15 sec. Min.; 5 sec. Max. Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) 2.00 002. 350 3.00 003. 350 4.00 004. 350 5.00 005. 350 7.50 07.5 350 10.0 010. 350 Interrupting Rating 100 amperes @350 VAC, 50 amperes @125 VDC and 450 amperes @60VDC Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) 0.0563 2.8 x x 0.0336 9.4 x x 0.0237 17 x x 0.0178 25 x x 0.0110 68 x x 0.0073 93 x x Additional Information Datasheet 446 Series Resources 446 Series Samples 446 Series Datasheet 447 Series Resources 447 Series Samples 447 Series © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is Specifications are subject tostrongly change recommended. without notice. Revised: 06/01/15 Surface Mount Fuses EBF Fuse Fast-Acting > 446/447 Series Average Time Current Curves 2A 3A 4A 5A 7 1/2A 10A Temperature Re-rating Curve 1000 TIME IN SECONDS 100 10 1 Note: 0.1 1. Re-rating depicted in this curve is in addition to the standard re-rating of 25% for continuous operation. Soldering Parameters 0.01 446 Series: 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. 0.1 1 10 100 CURRENT IN AMPERES 1000 Product Characteristics 447 Series: 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. Materials Body: Plastic Body – Terminations: Tin-Lead (95/5) plated Zn, Ni barrier Cleaning No-cleaning process recommended Operating Temperature –40OC to 125OC Dimensions Part Numbering System Reference Dimensions (Inches) PATA LF 60 46 350V Recommended Pad Layout 447 Mounting Holes 1.44 (.057") 4.03 (.159") 3.81 (.150") 02 10.92 (.430") 1.52 (.060") 5.91 (.233") 8.81 (.347") 1.27 (.050") Dia 10.11 (.398") Surface Mount Fuses: Through Hole Fuses: 0446 002. ZRP 0447 002. YXP Series Amp Code Quantity Code Series Amp Code Quantity Code ZRP = 800 YXP = 4000 Packaging 8.76 (.345") 1.50 (.059") MAX (.295") 7.49 3.2 5.59 (.126") (.220") (.032") 0.81 Packaging Option 3.2 (.126") 0.81 (.032") For 447 dimensions, please contact Littelfuse for specifications. Quantity Quantity & Packaging Code EIA RS-481-1 (IEC 286, part 3) 800 ZRP – 4000 YXP 446 Series 24mm Tape and Reel 447 Series Bulk Pack © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/01/15 Packaging Specification