Axial Lead & Cartridge Fuses PICO(R) ll > Slo-Blo(R) Fuse > 472 Series 472 Series, PICO(R) II Time-Lag Fuse RoHS Description The 472 Series PICO(R) II, 125V rated Slo-Blo(R) Fuse is designed for applications that require moderate in-rush withstand and is in a space-saving subminature package. Features * RoHS compliant and Halogen-free * Small size * Wide operating temperature range * Wide range of current ratings available (0. 50A to 5A) Agency Approvals Agency * Moderate in-rush withstand Agency File Number Ampere Range E10480 0. 50A - 5A * Low temperature rerating Applications * Flat-panel display TV * Power Supply * Lighting * Audio/Video Equipment * Game Console Additional Information Datasheet Electrical Characteristics Samples Resources % of Ampere Rating Opening Time 100% 4 Hours, Min. 200% 120 Seconds, Max. Electrical Characteristics Max Voltage Rating (V) Nominal Cold Resistance (Ohms) Agency Approvals Ampere Rating (A) Amp Code .500 .500 125 0.1745 0.1927 x 1.00 001. 125 0.0785 0.9384 x 1.50 01.5 125 0.0392 2.4081 x 2.00 002. 125 0.0271 4.2363 x x Interrupting Rating 50A@125VAC/DC Nominal Melting I2t (A2 sec) 2.50 02.5 125 0.0209 7.0838 3.00 003. 125 0.0187 9.3600 x 5.00 005. 125 0.0084 45.9000 x (c) 2015 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: 10/26/15 Axial Lead & Cartridge Fuses PICO(R) ll > Slo-Blo(R) Fuse > 472 Series 5.0A 100 1.0A 1.5A 2.0A 2.5A 3.0A 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. Soldering Parameters 0.001 0.1 Recommended Process Parameters: Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flux Activation Temperature) 0.01 (Typical Industry Recommendation) Temperature Minimum: 100C Temperature Maximum: Preheat Time: 150C 60-180 seconds Solder Pot Temperature: 260C Maximum Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350C +/- 5C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. (c) 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/26/15 1 10 CURRENT IN AMPERES 100 1000 Axial Lead & Cartridge Fuses PICO(R) ll > Slo-Blo(R) Fuse > 472 Series Product Characteristics Material Body: Ceramic Leads: Tin-coated Copper Encapsulated: Epoxy-Coated Body Product Marking Body: Brand Logo, Current Rating, T (time Lag fuse) Solderability MIL-STD-202, Method 208 Lead Pull Force MIL-STD-202, Method 211, Test Condition A (will Withstand a 7lbs. Axial pull test) Operating Temperature -55C to +125C with proper de-rating Thermal 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) Drawing ES-001148 Dimensions Part Numbering System 0472 xxxx N R T1 L 62.7 (2.468") 52.4 (2.062")* 27.78 (1.094") 7.11 (.280") 0.64 (.025") 6.35 (.25") tape 27.78 (1.094") 1A Series 2.80 (.11") LF Current Rating Refer to Amp Code column of Electrical Characteristics Table 6.35 (.25") tape 5.0 (.197") T Quantity 2A N = 5000 M = 1000 472 series markings Coating Diameter (max): 0.5A-3.0A: 2.80mm 5.0A: 2.90mm Type of Packaging R = Reel A = Ammo Pack X = Loose Pack Lead Length T1: 52.4mm (2.062")* RoHS + HF Packaging Packaging Option Packaging Specification *T1: 52.4mm (2.062") Tape and Reel EIA 296 Quantity Quantity & Packaging Code Refer to the tables in Part Numbering System above Notes: * T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468"). (c) 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/26/15