Axial Lead & Cartridge Fuses PICO® ll > Time-Lag > 471 Series 471 Series, ® PICO PS E II, Time-Lag Fuse Description 5IF4FSJFT1*$0®**5JNF-BH'VTFJTEFTJHOFEGPS BQQMJDBUJPOTUIBUSFRVJSFNPEFSBUFJOoSVTIXJUITUBOE BOEJTJOBTQBDFTBWJOHTVCNJOJBUVSFQBDLBHF Features t 3P)4DPNQMJBOU t 4NBMMTJ[F t 8JEFPQFSBUJOH UFNQFSBUVSFSBOHF t )BMPHFOGSFFBWBJMBCMF t 8JEFSBOHFPGDVSSFOU SBUJOHTBWBJMBCMF N"UP" Agency Approvals Agency t .PEFSBUFJOoSVTI XJUITUBOE Agency File Number Ampere Range E10480 500mA - 5A LR 29862 500mA - 2.5A JET 1896-31007-1001 1A - 5A t -PXUFNQFSBUVSF EFSBUJOH Applications t 'MBUoQBOFMEJTQMBZ57 t .FEJDBMFRVJQNFOU t -$%NPOJUPS t *OEVTUSJBMFRVJQNFOU t -JHIUJOHTZTUFN PS E % of Ampere Rating Opening Time 100% )PVSTMin. 200% 4FDPOETMax. Electrical Characteristics Ampere Rating (A) Amp Code Max Voltage Rating (V) .500 .500 1.00 Nom Voltage Drop (mV) Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) 125 0.189 0.159 X X 001. 125 0.085 0.722 X X X 1.50 01.5 125 0.054 1.610 X X X 2.00 002. 125 0.039 2.500 X X X X X Interrupting Rating BNQFSFTBU7"$ BOE7%$ PS E 2.50 02.5 125 0.030 4.390 X 3.00 003. 125 0.023 6.960 X X 4.00 004. 125 0.012 10.600 X X 5.00 005. 125 0.008 15.400 X X © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/471.html for current information. 211 Revised: July 27, 2011 471 Series 471 Series Electrical Characteristics Introduction to & Circuit Protection Axial Lead Cartridge Fuses Transientology PICO® ll > Time-Lag > 471 Series 100 1A 1.5A 2A 2.5A 3A 4A 5A Average Time Current Curves 0.5A Temperature Rerating Curve TIME IN SECONDS 10 1 0.1 0.01 /PUF %FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSEEFSBUJOHPGGPS DPOUJOVPVTPQFSBUJPO 0.001 0.1 Soldering Parameters 1 10 100 CURRENT IN AMPERES 1000 Recommended Process Parameters: Wave Parameter Lead-Free Recommendation Preheat: %FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO 5FNQFSBUVSF.JOJNVN 100° $ 5FNQFSBUVSF.BYJNVN 1SFIFBU5JNF 150° $ TFDPOET Solder Pot Temperature: 260° $.BYJNVN Solder Dwell Time: TFDPOET Recommended Hand-Solder Parameters: 4PMEFS*SPO5FNQFSBUVSF¡$¡$ )FBUJOH5JNFTFDPOETNBY Note: These devices are not recommended for IR or Convection Reflow process. 471 Series 212 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/471.html for current information. Axial Lead & Cartridge Fuses PICO® ll > Time-Lag > 471 Series Product Characteristics &ODBQTVMBUFE&QPYZ$PBUFE#PEZ 4PMEFS$PBUFE$PQQFSXJSFMFBET 3P)4DPNQMJBOU1SPEVDU1VSF5JODPBUFE $PQQFSXJSFMFBET Materials Flammability Rating 6-7 Solderability .*-45%.FUIPE Lead Pull Force .*-45%.FUIPE5FTU$POEJUJPO "XJMMXJUITUBOEBMCTBYJBMQVMMUFTU Operating Temperature o$UP$ Shock .*-45%.FUIPE5FTU $POEJUJPO*(TQFBLGPS NJMMJTFDPOET Vibration .*-45%.FUIPEo )[ .FUIPE5FTU$POEJUJPO$ o)[BU(T1FBL Moisture Resistance .*-45%.FUIPE Resistance to Soldering Heat 8JUITUBOETTFDPOETBCPWF $BOEVQUP$NBYJNVN Part Numbering System Dimensions 471 Series (RoHS Version) Markings 0471 xxxx N R T1 L 62.7 (2.468") 27.78 (1.094") 52.4 (2.062")* 7.11 (.280") 0.64 (.025") 1A 6.35 (.25") tape 27.78 (1.094") 2.8 (.110") MAX Series LF Current Rating Refer to Amp Code column of Electrical Characteristics Table 6.35 (.25") tape 5.0 (.197") T Quantity 1A N = 5000 P = 2000 Type of Packaging 471 Series (RoHS and Halogen-free Version) Markings R = Reel A = Ammo Pack 62.7 (2.468") 27.78 (1.094") 52.4 (2.062")* 7.11 (.280") 0.64 (.025") LF 27.78 (1.094") 2.8 (.110") MAX Lead Length T1: 52.4mm (2.062”)* 1A RoHS + HF 6.35 (.25") tape 5.0 (.197") T 1A 471 Series 6.35 (.25") tape Packaging Packaging Option Packaging Specification Quantity & Packaging Code 5NN 5BQFBOE3FFM &*" 1MFBTFSFGFSUPBWBJMBCMFRVBOUJUJFT BCPWFJO1BSU/VNCFSJOH4ZTUFNw /PUFT5EJNFOTJPOJTEFåOFEBTUIFMFOHUIPGUIFDPNQPOFOUCFUXFFOUIFUXPUBQFT5IFGVMMDPNQPOFOUMFOHUIJTNN © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/471.html for current information. 213 471 Series