Surface Mount Fuses EBF Fuse Fast-Acting > 446/447 Series RoHS Pb 446/447 Series EBF Fuse Fast-Acting Description The 446 and 447 series are circuit-board mountable, at profile, ffl ast-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. These fuses are 100% lead-free and meet the requirements of the RoHS directive. Note: Tan version available Agency Approvals Features RoHS compliant and Recognized to UL/CSA/ Agency Agency File Number Ampere Range 100% lead-free NMX 248-1 E71611 210 A Ideal for use in electronic Color code on housing 29862 210 A lighting ballast, power CC version for easy supply and power amperage identification inverter applications and application Rated for use in 125, Electrical Characteristics for Series 250, 277, and 350 VAC circuits % of Ampere Rating Opening Time 100% 4 hours, Minimum Based on the proven reliability of the 200% 0.15 sec. Min. 5 sec. Max. automotive MINI Fuse available from 2 through 10 amperes Additional Information Datasheet Resources Samples 446 Series 446 Series 446 Series Datasheet Resources Samples 447 Series 447 Series 447 Series Electrical Specifications by Item Max Agency Approvals Ampere Rating Interrupting Nominal Cold Nominal Melting Amp Code Voltage Rating 2 2 (A) Rating Resistance (Ohms) I t (A sec) (V) 2.00 002. 350 0.0563 2.8 x x 3.00 003. 350 0.0336 9.4 x x 100A 350VAC 4.00 004. 350 0.0237 17 x x 50A 125VDC 5.00 005. 350 0.0178 25 x x 450 60VDC 7.50 07.5 350 0.0110 68 x x 10.0 010. 350 0.0073 93 x x 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/11/212 0 6 4 0 6 A T Surface Mount Fuses EBF Fuse Fast-Acting > 446/447 Series Temperature Re-rating Curve Average Time Current Curves 1000 100 10 1 0.1 Note: 1. Re-rating depicted in this curve is in addition to the standard re-rating 0.01 of 25% for continuous operation. 0.1 1 10 100 1000 CURRENT IN AMPERES Soldering Parameters 446 Series: Reflow Solder 235 C, 5 seconds maximum Part Numbering System for Tan color No-clean process recommended. Wave Solder Not recommended Surface Mount Fuses: Through Hole Fuses: Non-plated terminal surfaces may not meet MIL-STD-202, Method 208 0446 002. ZRP 0447 002. YXP 447 Series: Series Series Contact Littelfuse for soldering parameters Inside terminal face of each lead is non-plated zinc Amp Code Amp Code Non-plated zinc terminal faces may not meet MIL-STD-202, method 208. Quantity Code Quantity Code To ensure that the fuse is acceptable for the application, appropriate YXP = 4000 ZRP = 800 application testing should be performed Dimensions Packaging Reference Dimensions Recommended (Inches) Pad Layout 1.44 Packaging Packaging Quantity & (.057 ) 1.27 Quantity LF PA (.050 ) Dia 4.03 3.81 Option Specification Packaging Code (.159 ) (.150 ) 350V 446 Series 5.91 447 Mounting10.11 (.233 ) (.398 ) 10.92 Holes 24mm Tape EIA RS-481-1 8.81 (.430 ) 800 ZRP (.347 ) and Reel IEC 60286-3 1.52 (.060 ) 447 Series Bulk Pack 4000 YXP 8.76 (.345 ) 3.2 1.50 (.059 ) MAX (.126 ) Part Numbering System for Color Code 5.59 (.220 ) 3.2 (.126 ) Current Rating Surface Mount Fuses: Housing Color (.032 ) 0.81 (Amp) 0.81 (.032 ) Change the suffix to ZCCRP (.295 ) 7.49 Through Hole Fuses: 2 Gray For 447 dimensions, please contact Littelfuse for specifications. Change the suffix to YCCP 3 Violet 4 Pink Product Characteristics 5 Tan Body: Plastic Body Terminations: Tin plated Materials 7.5 Brown Zinc, Ni barrier 10 Red Cleaning No-cleaning process recommended O O Operating Temperature 60 C to 125 C 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. 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/11/21 TIME IN SECONDS 2A 3A 4A 5A 7.5A 10A