0263.062WRT2 LITTELFUSE | Alldatasheet
Document overview
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Technical content
Features
Electrical Characteristics
t 4NBMMTJ[F t 8JEFSBOHFPGDVSSFOU SBUJOHBWBJMBCMF N"UP 5A) t 3P)4DPNQMJBOU )BMPHFOGSFF t 8JEFPQFSBUJOH temperature range t -PXUFNQFSBUVSF de-rating % of Ampere Rating Opening Time 100% )PVST Min. 200% 4FDPOE Max. 300% 4FDPOE Max.
Applications
(A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) Nom Voltage Drop (mV) Agency Approvals PS E 0.062 .062 250 50 amperes at 250 VAC PSE: 100 amperes at 125 VAC. 5.50 0.000192 0.7 4 x t -$%1%157 t -$%NPOJUPS t 0GåDFBVUPNBUJPO machines t "VEJP7JEFPTZTUFN t .FEJDBMFRVJQNFOU PS E Revised: July 27, 2011
Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology 208 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Axial Lead & Cartridge Fuses
263 Series
Please refer to www.littelfuse.com/series/263.html for current information. PICO® ll > Very Fast-Acting > 263 Series Average Time Current Curves 100 0.1 0.01 0.001 1/16A 0.05 0.1 1 10 100 1/8A 1/4A 3/8A 1/2A 3/4A 1 1/2A 2 1/2A 3 1/2A TIME IN SECONDS CURRENT IN AMPERES T emperature Rerating Curve Soldering Parameters Wave Parameter Lead-Free Recommendation Preheat: %FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO 5FNQFSBUVSF.JOJNVN 100° C 5FNQFSBUVSF.BYJNVN 150° C Preheat Time: 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. Recommended Process Parameters: /PUF %FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSEEFSBUJOHPGGPS DPOUJOVPVTPQFSBUJPO
209© 2009 Littelfuse, Inc. Specifications are subject to change without notice. Axial Lead & Cartridge Fuses Please refer to www.littelfuse.com/series/263.html for current information. PICO® ll > Very Fast-Acting > 263 Series &ODBQTVMBUFE &QPYZ$PBUFE #PEZ:4PMEFS$PBUFE$PQQFS-FBET 3P)4DPNQMJBOU 1SPEVDU1VSF5JOoDPBUFE$PQQFSXJSF leads Solderability .*-45%.FUIPE Product Marking #PEZNBSLJOH DVSSFOUSBUJOHBOEMPHP Operating Temperature o$UP Shock .*-45% .FUIPE 5FTU$POEJUJPO * (TQFBLGPSNJMMJTFDPOET Product Characteristics Vibration .*-45% .FUIPE o .*-45% .FUIPE 5FTU $POEJUJPO$ o)[BU(T Peak) Salt Spray .*-45% .FUIPE 5FTU$POEJUJPO# IST Insulation Resistance (After Opening): .*-45% .FUIPE 5FTU$POEJUJPO" PINT NJOJNVNBUWPMUT Resistance to Soldering Heat .*-45% .FUIPE 5FTU$POEJUJPO$ TFDBU$ Thermal Shock .*-45% .FUIPE 5FTU Moisture Resistance .*-45% .FUIPE Lead Pull Force .*-45% .FUIPE 5FTU$POEJUJPO" XJMMXJUITUBOEMC axial pull test) FL 3 1/2 A 250 V FL 3 1/2 A 250 V 27.78 (1.094") 27.78 62.7 (2.468") 52.4 (2.062")* MAX 6.35 (.25") tape tape Dimensions Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Tape and Reel EIA 296 1MFBTFSFGFSUPBWBJMBCMFRVBOUJUJFT BCPWFJOi1BSU/VNCFSJOH4ZTUFNw Part Numbering System 0263 xxxx W R T1 L Lead Length Type of Packaging Quantity Current Rating Series RoHS + HF R = Reel A = Ammo Pack X = Loose Pack W = 3000 M = 1000 H = 100 Refer to Amp Code column of Electrical Characteristics Table /PUFT 5EJNFOTJPOJTEFåOFEBTUIFMFOHUIPGUIFDPNQPOFOUCFUXFFOUIFUXPUBQFT5IFGVMMDPNQPOFOUMFOHUIJTNN