Axial Lead & Cartridge Fuses PICO® ll > Very Fast Acting > 316 Series 316 Series ® PICO II, Very Fast-Acting Fuse Description The 316 Series PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package while complying with the requirements of CCC. Features t$$$DFSUJmFE"YJBM-FBE and Cartridge Fuse t'VMMZDPNQBUJCMFXJUI Lead–free solder alloys and higher temperature profiles associated with Lead–free assembly Agency Approvals Agency Agency File Number Ampere Range 2007010207241295 0.50mA–5A t3P)4DPNQMJBOU t"WBJMBCMFJOSBUJOHTPG 0.50A, 1.00A, 2.00A, 3.15A and 5.00 amperes Applications Electrical Characteristics t 'MBUoQBOFM%JTQMBZ57 t 1PXFSTVQQMZ t -$%NPOJUPS t "VEJP7JEFPTZTUFN % of Ampere Rating Opening Time t -$%CBDLMJHIUJOWFSUFS t -JHIUJOHTZTUFN 100% 4 Hours, Min. t 0GmDFNBDIJOFT t .FEJDBMFRVJQNFOU 200% 5 Seconds, Max. 275% 0.30 Seconds, Max. 400% 0.03 Seconds, Max. 1000% 0.004 Seconds, Max. Electrical Characteristics Max Voltage Rating (V) Ampere Rating (A) Amp Code 0.50 .500 1.00 001. 2.00 002. 125 3.15 3.15 125 5.00 005. 125 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) Max Voltage Drop (mV) 125 0.280 0.0598 0.202 X 125 0.128 0.256 0.186 X 0.0473 0.405 0.158 X 0.0290 1.190 0.160 X 0.0155 4.140 0.110 X Interrupting Rating 50A @ 125VAC 50A @ 125VDC Notes: 1. Cold resistance measured at less than 10% of rated current at 23°C. 2. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved 3. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/316.html for current information. 227 Revised: January 7, 2009 316 Series 316 Series Secondary protection for space constrained applications Introduction to & Circuit Protection Axial Lead Cartridge Fuses Transientology PICO® ll > Very Fast Acting > 316 Series 120 100 B 10 B 80 60 1 40 TIME IN SECONDS PERCENT OF RATING* 3.5 A 5.0 A 100 140 2.0 A Average Time Current Curves 0.5 A 1.0 A Temperature Rerating Curve 20 -60°C -40°C -20°C -76°F -40°F -4°F 0°C 32°F 20°C 40°C 68°F 104°F 60°C 80°C 100°C 120°C 140°F 176°F 212°F 248°F AMBIENT TEMPERATURE 0.1 0.01 Note: 1. Derating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.001 Soldering Parameters 0.1 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: 10 Seconds, Maximum 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. 316 Series 228 Revised: January 7, 2009 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/316.html for current information. Axial Lead & Cartridge Fuses PICO® ll > Very Fast Acting > 316 Series Product Characteristics Materials Body: Ceramic Leads: Tin-coated Copper Encapsulated: Epoxy-Coated body Operating Temperature –55ºC to +125ºC with proper de-rating Product Marking Body: Brand Logo, Current Rating Certification mark Shock MIL-STD-202, Method 213, Test Condition 1 (100G’s peak for millisecond) Lead Pull Force MIL-STD-202, Method 211, Test Condition A (will withstand a 7lbs. axial pull test) Vibration MIL-STD-202F, Method 201A (10-55 Hz); Method 204, Test Condition C Solderability MIL-STD-202, Method 208 Moisture Resistance MIL-STD-202, Method 106 Part Numbering System Dimensions 0316 001. N R T1 62.7 (2.468") 52.4 (2.062")* 27.78 (1.094") 7.11 (.280") 0.64 (.025") 2.80 (.11") 1A 6.35 (.25") tape 5.0 (.197") Series Current Rating 27.78 (1.094") Refer to Amp Code column of Electrical Characteristics Table LF Quantity Code 6.35 (.25") tape front and back markings N = 5000 Type of Packaging R = Reel A = Ammo Pack epoxy coating Lead Length T1: 52.4mm (2.062”)* Packaging Option Packaging Specification Quantity Quantity & Packaging Code *T1: 52.4mm (2.062") Axial Lead Tape and Reel or Ammo Pack EIA 296 5000 NAT1 = 5000 Ammo Pack T1 NRT1 = 5000 Tape & Reel T1 316 Series Packaging Notes: * T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468"). © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/316.html for current information. 229 Revised: January 7, 2009 316 Series