048103.5HXP LITTELFUSE | Alldatasheet
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Technical content
Features
t $PMPSDPEFEJOEJDBUPS ýBHTJOEJDBUFBNQFSF SBUJOH t $MFBSQMBTUJDMFOT PQUJPOBWBJMBCMFGPS BEEJUJPOBMTBGFUZ t #PEZJTDPOTUSVDUFEPG CMBDLQMPMZQIFOZMFOF TVMåEFXJUI6-7 ýBNNBCJMJUZSBUJOH t $POUBDUTNBEFPG CSJHIUBMMPZQMBUFE CFSZJMMJPVNDPQQFS Applications% of Ampere Rating Opening Time .JOVUFT .JOJNVN .JOVUFT .BYJNVN
Electrical Characteristics
"UISV"JUFNTBSFOPUBWBJMBCMFGPSTBMFBTB3P)4DPNQMJBOUi1wPQUJPO "'VTFIPMEFSNVTUCFVTFE'VTFJTLFZFEUPQSFWFOUJOTFSUJPOJOMPXFSSBUFEIPMEFST "'VTFIPMEFSJTEFTJHOFEUPBDDFQUBMMSBUJOHTVQUPBNQFSFT Ampere Rating (A) Amp Code Max Voltage Rating (V) Interrupting Rating Body Color Code Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 Sec.) Agency Approvals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i1wEFTJHOBUPSXIFOPSEFSJOH 4FFUIFQBSUOVNCFSJOHTFDUJPOPGUIJTEBUBTIFFUGPSSFMBUFE PSEFSJOHJOTUSVDUJPOT Revised: August 10, 2011
Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology 348 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Special Application Fuses Alarm Indicating Fuse 481 Series
481 Series Alarm Indicating Fuse
Please refer to www.littelfuse.com/series/481.html for current information. Average Time Current Curves 1000 100 0.1 0.01 10001001010.1 18/100 A 1/4 A 1/2 A 65/100 A 3/4 A 1 A 1 1/3 A 2 A 3 A 4 A 5 A 7 1/2 A 10 A 12 A 15 A 20 A TIME IN SECONDS CURRENT IN AMPERES Material #PEZ1PMZQIFOZMFOF4VMåEF 6-70 5FSNJOBUJPOT#FSZMMJVN$PQQFS5JO1MBUFE 0QUJPOBM-FOT/ZMPO Vibration 1FS.*-45%' Product CharacteristicsProduct Characteristics Dimensions Part Numbering System "'VTFIPMEFSNVTUCFVTFE'VTFJTLFZFE UPQSFWFOUJOTFSUJPOJOMPXFSSBUFEIPMEFST "'VTFIPMEFSJTEFTJHOFEUPBDDFQUBMM SBUJOHTVQUPBNQFSFT 22.9mm (.90") MIN. 8mm .23") 5.3mm (.21") 16.9mm (.665") MAX. 11. 7mm (.46") 17 .8mm (.70") 19.6mm (.77") 21.3mm (0.84") REF.LENS 2.77 (.109") 2.79 (.1 10") 4.45 (.175") 1-15A 20A* Operating Temperature – 55O$UPO$ Thermal Shock 8JUITUBOETDZDMFTPGoO$UP 125O$ Insulation Resistance (After Opening) (SFBUFSUIBO PINT OPTION CODE: RoHS ITEM OPTION CODE: SERIES AMP CODE QUANTITY CODE: Blank = Standard XL = Protective Lens Blank = Standard design item P = RoHS compliant version item (available in 2-20 amp range only) 0481 .180 H XL P V = 5 pack H = 100 pack (See Electrical Characteristics Table)