Cartridge Fuses 3AB 1000VAC / DC High Voltage Fuse 508 Series Lead-Free 3AB Fuse Description A 1000Vac/Vdc rated ceramic fuse with remarkable interrupting rating in a compact 6.3 x 32mm package, which is well suited for circuit protection in high energy applications. Features t *OBDDPSEBODF with Underwriter’s Laboratories Standard UL 248-14 Agency Approvals Agency File Number Ampere Range Recognised File: E10480 315mA - 500mA Opening Time 100% 135% t $PNQBDUGPSNGBDUPSPG 6.3 x 32mm Used as supplementary protection in appliance or VUJMJ[BUJPOFRVJQNFOUUPQSPWJEFJOEJWJEVBMQSPUFDUJPOGPS components or internal circuits. Electrical Characteristics Ampere Rating t 1MVHHBCMFJOUPDMJQTPS shock safe holders Applications 315mA - 500mA % of Ampere Rating t "WBJMBCMFJODBSUSJEHF t 4VQFSJPS*OUFSSVQUJOH rating of 10,000 Amperes )PVST.JOJNVN 315mA - 500mA 200% )PVS.BYJNVN 4FDPOET.BYJNVN Electrical Characteristic Amp Code Amp Rating Voltage Rating Interrupting Rating .315 0.315 1000 .500 0.5 1000 10kA @ 1000Vac 10kA @ 1000Vdc Agency Approvals Nominal Cold Resistance (mohms) Nominal Melting I2t (A2 sec.) 9200 0.071 x x 3572 0.259 x x ,"!7BDEDBMTPD63VTBQQSPWFE"EETVGåYiw&YBNQMF.91 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information. 1 Revised: August 23, 2010 508 Series 508 Series Agency t 3P)4DPNQMJBOUBOE Lead-free Introduction to Circuit Protection Cartridge Fuses 3AB 1000Vac/dc HighTransientology Voltage Fuse 10000 508.500 Average Time Current Curves 508.315 Temperature Rerating Curve Time (seconds) 1000 100 10 1 0.1 0.01 0.001 0.01 0.1 1 10 100 Amps Product Characteristics Materials Terminal Strength #PEZ$FSBNJD $BQ/JDLFMoQMBUFECSBTT .*-45%(.FUIPE" 5FTU$POEJUJPO" Solderability /" Product Marking $BQ#SBOEMPHPDVSSFOUBOEWPMUBHF ratings $BQ4FSJFTBOEBHFODZBQQSPWBMNBSLT Dimensions Operating Temperature: o$UP$ Thermal Shock: .*-45%(.FUIPE(5FTU$POEJUJPO# $ZDMFT$UP$ Vibration .*-45%(.FUIPE" Humidity .*-45%(.FUIPE#5FTU$POEJUJPO ")JHISFMBUJWFIVNJEJUZ BOEFMFWBUFE UFNQ$ GPSIPVST Salt Spray .*-45%(.FUIPE&5FTU$POEJUJPO# Part Numbering System 0508 xxxx M X P ø 6.3 Series Current Rating Code 32 Refer to Amp Code column of Electrical Characteristics Table Quantity Code M = 1000 Packaging Code X = Filler Lead-free Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Reel Size /" 1000 .9 /" 508 Series Bulk 508 Series 2 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information.