Axial Lead & Cartridge Fuses PICO® ll > Very Fast-Acting > 263 Series 263 Series, PICO ® PS E II 250 Volt, Very Fast-Acting Fuse Description The PICO® II 263 Series Fuse is a specially designed axial leaded fuse that achieves a 250V rating in a small package. Features t 7SBUJOH t 3P)4DPNQMJBOU )BMPHFOGSFF t 7FSZGBTUoBDUJOH t 8JEFPQFSBUJOH temperature range t 4NBMMTJ[F t 8JEFSBOHFPGDVSSFOU SBUJOHBWBJMBCMFN"UP t -PXUFNQFSBUVSF de-rating 5A) Agency Approvals Applications Agency Agency File Number Ampere Range E10480 62mA - 5A JET 1896-31007-1001 1A - 5A t -JHIUJOHTZTUFN PS E LR 29862 125mA - 5A t 1PXFSTVQQMZ t 0GåDFBVUPNBUJPO machines t -$%1%157 t "VEJP7JEFPTZTUFN t -$%NPOJUPS t .FEJDBMFRVJQNFOU Electrical Characteristics % of Ampere Rating Opening Time 100% )PVSTMin. 200% 4FDPOEMax. 300% 4FDPOEMax. Ampere Rating (A) Amp Code 0.062 0.125 0.250 0.375 0.500 0.750 1.00 1.50 2.00 2.50 3.00 3.50 4.00 5.00 .062 .125 .250 .375 .500 .750 001. 01.5 002. 02.5 003. 03.5 004. 005. Max Voltage Rating (V) 250 250 250 250 250 250 250 250 250 250 250 250 250 250 Interrupting Rating 50 amperes at 250 VAC PSE: 100 amperes at 125 VAC. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/263.html for current information. Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) Nom Voltage Drop (mV) 5.50 1.75 0.715 0.391 0.332 0.150 0.105 0.0635 0.0444 0.0340 0.0274 0.0224 0.0193 0.0145 0.000192 0.00251 0.0165 0.0444 0.084 0.0411 0.087 0.398 0.74 1.197 1.77 2.33 3.08 5.55 0.74 0.3 0.235 0.195 0.302 0.176 0.165 0.148 0.137 0.128 0.1225 0.1175 0.1125 0.1065 207 Revised: July 27, 2011 263 Series Electrical Characteristics Agency Approvals PS E x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 263 Series Introduction to & Circuit Protection Axial Lead Cartridge Fuses Transientology PICO® ll > Very Fast-Acting > 263 Series 3/8A 1/2A 3/4A 1A 1 1/2A 2A 2 1/2A 3A 3 1/2A 4A 5A 1/4A 1/8A Average Time Current Curves 1/16A Temperature Rerating Curve 100 TIME IN SECONDS 10 1 0.1 /PUF %FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSEEFSBUJOHPGGPS DPOUJOVPVTPQFSBUJPO 0.01 Soldering Parameters 0.001 0.05 0.1 Recommended Process Parameters: Wave Parameter 1 10 CURRENT IN AMPERES 100 Lead-Free Recommendation Preheat: %FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO 5FNQFSBUVSF.JOJNVN 100° C 5FNQFSBUVSF.BYJNVN Preheat Time: 150° C 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. 263 Series 208 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/263.html for current information. Axial Lead & Cartridge Fuses PICO® ll > Very Fast-Acting > 263 Series Product Characteristics Materials &ODBQTVMBUFE&QPYZ$PBUFE #PEZ:4PMEFS$PBUFE$PQQFS-FBET 3P)4DPNQMJBOU 1SPEVDU1VSF5JOoDPBUFE$PQQFSXJSF leads Solderability .*-45%.FUIPE Product Marking #PEZNBSLJOHDVSSFOUSBUJOHBOEMPHP Insulation Resistance (After Opening): Operating Temperature o$UP$ Resistance to Soldering Heat Shock .*-45%.FUIPE5FTU$POEJUJPO *(TQFBLGPSNJMMJTFDPOET Thermal Shock Vibration Salt Spray Moisture Resistance .*-45%.FUIPE Lead Pull Force .*-45%.FUIPE 5FTU$POEJUJPO"XJMMXJUITUBOEMC axial pull test) Part Numbering System Dimensions 0263 xxxx W R T1 L 62.7 (2.468") 27.78 (1.094") 0.64 (.025") 6.35 (.25") tape .*-45%.FUIPEo )[ .*-45%.FUIPE5FTU $POEJUJPO$o)[BU(T Peak) .*-45%.FUIPE 5FTU$POEJUJPO#IST .*-45%.FUIPE 5FTU$POEJUJPO"PINT NJOJNVNBUWPMUT .*-45%.FUIPE 5FTU$POEJUJPO$TFDBU$ .*-45%.FUIPE5FTU $POEJUJPO#o$UP$ 52.4 (2.062")* 7.11 (.280") LF 3 1/2 A 250 V 27.78 (1.094") 3.94 (.16") MAX Series Current Rating Refer to Amp Code column of Electrical Characteristics Table 6.35 (.25") tape 5.0 (.197") LF 3 1/2 A 250 V Quantity W = 3000 M = 1000 H = 100 Type of Packaging 263 Series R = Reel A = Ammo Pack X = Loose Pack Lead Length T1: 52.4mm (2.062”)* RoHS + HF Packaging Packaging Option Packaging Specification T1: 52.4mm (2.062”) Tape and Reel EIA 296 Quantity Quantity & Packaging Code 1MFBTFSFGFSUPBWBJMBCMFRVBOUJUJFT BCPWFJOi1BSU/VNCFSJOH4ZTUFNw /PUFT5EJNFOTJPOJTEFåOFEBTUIFMFOHUIPGUIFDPNQPOFOUCFUXFFOUIFUXPUBQFT5IFGVMMDPNQPOFOUMFOHUIJTNN © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/263.html for current information. 209 263 Series