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Cartridge and Axial Lead Fuses PICO® II > Time Lag > 472 Series 472 Series, RoHS ® PICO II, Time-Lag Fuse Description The 472 Series PICO® II, 125V rated time-Lag fuse is designed for applications that require moderate in-rush withstand and is in a space-saving subminature package. Features t
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$POTPMF Electrical Characteristics % of Ampere Rating Opening Time 100% 4 Hours, Min. 200% 120 Seconds, Max. Electrical Characteristics Ampere Rating (A) Amp Code Max Voltage Rating (V) .500 .500 1.00 1.50 2.00 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) 125 0.174 0.1927 x 001. 125 0.078 0.9384 x 01.5 125 0.039 2.4081 x 002. 125 0.027 4.2363 x Interrupting Rating 50 amperes at 125 VAC and VDC 2.50 02.5 125 0.0209 7.0838 x 3.00 003. 125 0.0187 9.3600 x 5.00 005. 125 0.0084 45.9000 x ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. 472 Series Revised: January 12, 2009 Cartridge and Axial Lead Fuses PICO® II > Time Lag > 472 Series 5.0A 100 1.0A 1.5A 2.0A 2.5A 3.0A Average Time Current Curves 0.5A Temperature Rerating Curve TIME IN SECONDS 10 1 0.1 0.01 /PUF 1. Derating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.001 0.1 Soldering Parameters 10 100 1000 CURRENT IN AMPERES Recommended Process Parameters: Wave Parameter 1 Lead-Free Recommendation Preheat: %FQFOET
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Peak) Part Numbering System 0472 xxxx N R T1 L 472 Series (RoHS Version) Markings 62.7 (2.468") 27.78 (1.094") 52.4 (2.062")* 7.11 (.280") Series 2.80 (.11") 0.64 (.025") 1A 6.35 (.25") tape 27.78 (1.094") LF Current Rating Refer to Amp Code column of Electrical Characteristics Table 6.35 (.25") tape 5.0 (.197") T Quantity 1A N = 5000 M = 1000 Coating Diameter (max): 0.5A-3.0A: 2.80mm 5.0A: 2.90mm Type of Packaging R = Reel A = Ammo Pack X = Loose Pack 472 Series (RoHS and Halogen-free Version) Markings 62.7 (2.468") 27.78 (1.094") 52.4 (2.062")* 7.11 (.280") Lead Length 2.80 (.11") 0.64 (.025") LF 6.35 (.25") tape 27.78 (1.094") T1: 52.4mm (2.062”)* 1A Option Codes 6.35 (.25") tape 5.0 (.197") T L = RoHS HF = RoHS and Halogen-free 1A Coating Diameter (max): 0.5A-3.0A: 2.80mm 5.0A: 2.90mm Packaging Packaging Option Packaging Specification 5
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  ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. 472 Series Revised: January 12, 2009