Cartridge Fuses 3AB > Fast-Acting > 506 Series 506 Series Lead-Free 3AB, Fast-Acting Fuse Description A 600Vdc rated ceramic fuse with remarkable interrupting rating in a compact 6.3x32mm package, which is well suited for circuit protection in high DC energy applications. Features t *OBDDPSEBODF with Underwriter’s Laboratories Standard, UL 248-14. t 30)4DPNQMJBOUBOE lead free. t "WBJMBCMFJODBSUSJEHF t 4VQFSJPSJOUFSSVQUJOH rating of 10,000 Amperes. t 1MVHHBCMFJOUPDMJQTPS shock safe holders. t $PNQBDUGPSNGBDUPSPG 6.3x32mm. Applications )JHIFOFSHZBOEQPXFSFGåDJFOUBQQMJDBUJPOT Agency Approvals AGENCY CERTIFICATE NUMBER AMPERE RANGE E10480 15A - 20A 15A - 20A Electrical Characteristics for Series Ampere Rating Opening Time 15A - 20A 3600 sec, Max 100% 135% 3600 sec, Min 200% 506 Series % of Ampere Rating 120 sec, Max Electrical Characteristic by ltem Amp Rating (A) Amp Code Voltage Rating (DC) 15 015 600 16 016 600 20 020 600 Interrupting Rating 10KA @ 600VDC* Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec.) 0.008 61 x 0.008 61 x 0.006 105 x * For AC breaking capacity, please contact Littelfuse for details. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information. 1 Revised: May 12, 2011 506 Series Introduction to Circuit Protection Cartridge Fuses Transientology 3AB > Fast-Acting > 506 Series Average Time Current Curves 506015 506016 506020 Temperature Rerating Curve 10000 1000 Time (seconds) 100 10 1 0.1 0.01 0.001 0.01 0.1 1 Amps 10 100 Product Characteristics Materials Body : Ceramic $BQ/JDLFM1MBUFE#SBTT Terminal Strength .*-45%(.FUIPE" 5FTUDPOEJUJPO" Solderability NA Product Marking $BQ#SBOEMPHPDVSSFOUBOEWPMUBHF ratings $BQ4FSJFTBOEBHFODZBQQSPWBMNBSLT Dimensions Operating Temperature –55ºC to +125ºC Thermal Shock .*-45%(.FUIPE( 5FTUDPOEJUJPO#DZDMFT$UP$ Vibration .*-45%(.FUIPE" Humidity .*-45%(.FUIPE# 5FTUDPOEJUJPO")JHISFMBUJWFIVNJEJUZ BOE&MFWBUFEUFNQFSBUVSF$ GPSIPVST Salt Spray .*-45%(.FUIPE&5FTUDPOEJUJPO# Part Numbering System 0506 xxxx M X P 506 000P Series SERIES AMP Code 6.35 (0.25”) Refer to Amp Code column of Electrical Characteristics Table 31.75 (1.25”) QUANTITY Code M = 1000 PACKAGING Code X = Filler P: Lead-Free Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Reel Size N/A 1000 MX N/A 506 Series Bulk 506 Series 2 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information.