Axial Lead & Cartridge Fuses PICO® ll > Time-Lag Fuse > 471 Series 471 Series, PICO® II Time-Lag Fuse RoHS PS E Description The 471 Series PICO® II Time-Lag Fuse is designed for applications that require moderate in–rush withstand and is in a space-saving subminiature package. Features PS E • RoHS compliant •Small size • Wide operating temperature range • Halogen-free available •Wide range of current ratings available (0.500A to 5A) Agency Approvals Agency • Moderate in–rush withstand Agency File Number Ampere Range E10480 0.500A - 5A 29862 0.500A - 2.5A JET 1896-31007-1004 1A - 5A • Low temperature de-rating Applications • Flat–panel display TV • Medical equipments • LCD monitor • Industrial equipments • Lighting systems Electrical Characteristics Additional Information Datasheet Resources % of Ampere Rating Opening Time 100% 4 Hours, Min. 200% 120 Seconds, Max. Samples Electrical Characteristics Ampere Rating (A) Amp Code Max Voltage Rating (V) .500 .500 1.00 1.50 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting 2 I t (A2 sec) 125 0.1890 0.159 X X 001. 125 0.0851 0.722 X X X 01.5 125 0.5350 1.610 X X X 2.00 002. 125 0.3850 2.500 X X X 2.50 02.5 125 0.0300 4.390 X X X 3.00 003. 125 0.0231 6.960 X X 3.50 03.5 125 0.0180 9.900 X X 4.00 004. 125 0.1310 10.600 X X 5.00 005. 125 0.0084 15.400 X X Interrupting Rating 50A@125VAC/DC © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 11/11/15 PS E Axial Lead & Cartridge Fuses PICO® ll > Time-Lag Fuse > 471 Series 100 1A 1.5A 2A 2.5A 3A 4A 5A Average Time Current Curves 0.5A Temperature Re-rating Curve TIME IN SECONDS 10 1 0.1 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 0.001 0.1 Soldering Parameters 1 10 CURRENT IN AMPERES 100 1000 Recommended Process Parameters: Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flux Activation Temperature) (Typical Industry Recommendation) Temperature Minimum: 100°C Temperature Maximum: Preheat Time: 150°C 60-180 seconds Solder Pot Temperature: 260°C Maximum Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/11/15 Axial Lead & Cartridge Fuses PICO® ll > Time-Lag Fuse > 471 Series Product Characteristics Encapsulated, Epoxy-Coated Body; Solder Coated Copper wire leads; RoHS compliant Product: Pure Tin-coated Copper wire leads Materials Flammability Rating UL 94V-0 Solderability MIL-STD-202, Method 208 Lead Pull Force MIL-STD-202, Method 211, Test Condition A (will withstand a 7 lbs. axial pull test) Operating Temperature –55ºC to +125ºC (Consider re-rating) Shock MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds) Vibration MIL-STD-202, Method 201 (10–55 Hz); Method 204, Test Condition C (55–2000 Hz at 10 G’s Peak) Moisture Resistance MIL-STD-202, Method 106 Resistance to Soldering Heat Withstands 60 seconds above 200ºC and up to 260ºC, maximum Part Numbering System Dimensions 0471 xxxx N R T1 L 471 Series (RoHS Version) Markings 62.7 (2.468") 27.78 (1.094") 0.64 (.025") 6.35 (.25") tape 52.4 (2.062")* 7.11 (.280") LF 1A 27.78 (1.094") 2.8 (.110") MAX Series Current Rating 6.35 (.25") tape 5.0 (.197") T Refer to Amp Code column of Electrical Characteristics Table Quantity 1A N = 5000 P = 2000 471 Series (RoHS and Halogen-free Version) Markings 27.78 (1.094") 0.64 (.025") 6.35 (.25") tape 52.4 (2.062")* 7.11 (.280") LF 1A 27.78 (1.094") 2.8 (.110") MAX Lead Length T1: 52.4mm (2.062”)* 6.35 (.25") tape 5.0 (.197") T Type of Packaging R = Reel A = Ammo Pack 62.7 (2.468") RoHS + HF 1A Packaging Packaging Option Packaging Specification Quantity & Packaging Code *T1: 52.4mm (2.062") Tape and Reel EIA 296 Please refer to available quantities above in "Part Numbering System” Notes: * T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468"). © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/11/15