Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 506 Series 506 Series Lead-Free 3AB, Fast-Acting Fuse RoHS Pb Description A 600Vdc rated ceramic fuse with remarkable interrupting rating in a compact 6.3×32mm package, which is well suited for circuit protection in high DC energy applications. Features • In accordance with Underwriter’s Laboratories Standard, UL 248-14. • Available in cartridge and axial lead form. Agency Approvals AGENCY CERTIFICATE NUMBER AMPERE RANGE E10480 15A - 20A N/A 15A - 20A Ampere Rating 100% 135% • Compact form factor of 6.3×32mm. • Lead-free, Halogen free, and RoHS compliant. Applications High energy and power efficient applications. Electrical Characteristics for Series % of Ampere Rating • Superior interrupting rating of 10,000 Amperes. Additional Information Opening Time 3600 sec, Min 15A - 20A Datasheet 3600 sec, Max 200% Resources Samples 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 © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 08/10/15 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec.) 0.008 61 0.008 61 x 0.006 105 x x Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 506 Series Average Time Current Curves 506015 506016 506020 Temperature Re-rating Curve 10000 1000 Time (seconds) 100 10 1 0.1 0.01 0.001 0.01 0.1 1 Amps 10 100 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. Product Characteristics Materials Body : Ceramic Cap : Nickel Plated Brass Terminal Strength MIL-STD-202, Method 211, Test condition A Solderability MIL-STD-202 Method 208 Product Marking Cap1 : Brand logo, current and voltage ratings Cap2 : Series and agency approval marks Dimensions 506 000P Series (cartridge) Operating Temperature –55ºC to +125ºC Thermal Shock MIL-STD-202, Method 107, Test condition B: (5 cycles -65ºC to 125ºC) Vibration MIL-STD-202, Method 201 Humidity MIL-STD-202, Method 103, Test condition A: High relative humidity (95%) and Elevated temperature (40ºC) for 240 hours Salt Spray MIL-STD-202, Method 101, Test condition B Part Numbering System 0506 xxxx M X E P 506 000P Series (axial leaded) 6.35±0.3 (.25") SERIES AMP Code 6.985±0.3 (.275") 31.75±1.12 (1.25") Refer to Amp Code column of Electrical Characteristics Table 32.72±1.12 (1.288") Axial Lead Diameter: 1.2±0.05 (.047") QUANTITY Code M = 1000 Axial Lead Length: 38.1±3.15 (1.50") TYP. PACKAGING Code Axial Lead Material: Tin-coated copper OPTION Code X = Filler E = Axial Leaded Lead-Free Packaging Packaging Specification Quantity Quantity & Packaging Code Reel Size Bulk N/A 1000 MX N/A Bulk N/A 1000 MXE N/A Packaging Option 506 Series © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 08/10/15