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Technical content
Features
% of Ampere Rating Opening Time 100% 4 hours, Minimum 0% 1 second, Min.; 120 seconds, Max. 300% 0.2 second, Min.; 3 seconds, Max. 800% 0.02 second, Min.; 0.1 second, Max. The 460 Series Slo-Blo® SMF is based on Littelfuse PICO® fuse through-hole technology, though offered in a surface mount package. This series of devices meets the requirements of the RoHS directive. Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) Agency Approvals PS E 0.375 .375 125
50 A @125 VAC
50 A @125 VDC
1 .7 400 0.085 x x 0.500 .500 125 1 .1900 0.210 x x 0.750 .750 125 0.4970 0.760 x x 1 .00 001 . 125 0.3000 2.01 x x x 1 .50 01 .5 125 0.1160 3.94 x x x 2.00 002. 125 0.0710 7 .60 x x x 2.50 02.5 125 0.0520 13.0 x x x 3.00 003. 125 0.0380 21 .0 x x x 3.50 03.5 125 0.0240 26.8 x x x 4.00 004. 125 0.0194 35.0 x x x 5.00 005. 125 0.0133 54.8 x x x
Applications
t /FUXPSLFRVJQNFOU t 5FMFDPNFRVJQNFOU t 4MPX#MPX t )JHIJOSVTIDVSSFOUXJUITUBOEDBQBCJMJUZ t 8JEFDVSSFOUSBUJOHSBOHF"UP" t 8JEFPQFSBUJOHUFNQFSBUVSFSBOHF t 3P)4DPNQMJBOU PS E Revised: April 24, 2012
Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Surface Mount Fuses
460 Series
PICO® SMF Fuse > 460 Series Please refer to www.littelfuse.com/series/460.html for current information. Materials Body: Molded Thermoplastic T erminations: 100% Tin-plated Copper (460 Series) Solderability MIL -STD-202, Method 208 Product Marking Body: Brand Logo, Current Rating, Voltage Rating, Series Code, Date Code, Agency Approved Logo Moisture Sensitivity Level Level 1 J-STD - 020C Operating Temperature –55°C to 125°C Product Characteristics Shock MIL -STD-202, Method 213, Test Condition I (100 G’s peak for 6 msecs.) Vibration MIL -STD-202, Method 201 (10–55 Hz, 0.06 inch total excursion) Salt Spray MIL -STD-202, Method 101, Test Condition B (48 hours) Insulation Resistance (After Opening) MIL -STD-202, Method 302, (10,000 ohms minimum at 100 volts) Thermal Shock MIL -STD-202, Method 107 , Test Condition B (–65°C to 125°C) Moisture Resistance MIL -STD-202, Method 106, High Humidity (90-98 RH), Heat (65°C) Average Time Current Curves 1000 100 0.1 0.01 CURRENT IN AMPERES TIME IN SECONDS 10001000.1 10.05 3.5A 2.5A 1.5A .750A .500A .375A Soldering Parameters T emperature Rerating Curve /PUF 1 . Rerating depicted in this curve is in addition to the standard rerating of 25% for continuous operation. Wave Soldering 260°C, 3 seconds max. Reflow Soldering 230°C, 30 seconds max.
© 2012 Littelfuse, Inc. Specifications are subject to change without notice. Surface Mount Fuses PICO® SMF Fuse > 460 Series Please refer to www.littelfuse.com/series/460.html for current information. Specification Quantity Quantity & Packaging Code 12mm T ape and Reel EIA RS-481-1 (IEC 286, part 3) 500 UR 12mm Tape and Reel EIA RS-481-1 (IEC 286, part 3) 2500 ER 4.32 (.170")
5 A 1 2 5 V
B 3® ® 3.05 (.120") 2.97 (.117") 7.24(.285") REF. 8.26 (.325") 1.65 (.065") 4.95 (.195") 1.30(.051") REF. 2.03 (.080") RECOMMENDED PAD LAYOUT 0460 .500 UR SERIES PACKAGING CODE R = Tape and Reel AMP CODE Refer to Electrical Characteristics table QUANTITY CODE UR = 500 pcs ER = 2500 pcs Example:
1 Amp product is
0460 .001 UR (.5 Amp QSPEVDUTIPXOBCPWF