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 • In accordance with Underwriter’s Laboratories Standard UL 248-14 Agency Approvals Agency File Number Ampere Range Recognised File: E10480 315mA - 500mA Opening Time 100% 135% • Compact form factor of 6.3 x 32mm Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. Electrical Characteristics Ampere Rating • Pluggable into clips or shock safe holders Applications 315mA - 500mA % of Ampere Rating • Available in cartridge • Superior Interrupting rating of 10,000 Amperes 4 Hours, Minimum 315mA - 500mA 200% 1 Hour, Maximum 120 Seconds, Maximum 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 * 10KA@600Vac/dc also cURus approved. Add suffix “6”. Example: 0508.315MX6P. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information. 1 Revised: December 23, 2010 508 Series 508 Series Agency • RoHS compliant and 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 1000 Time (seconds) 100 10 1 0.1 0.01 0.001 0.01 0.1 10 1 100 Amps Product Characteristics Materials Terminal Strength Body : Ceramic Cap : Nickel–plated brass MIL-STD-202G, Method 211A, Test Condition A Solderability NA Product Marking Cap1 : Brand logo, current and voltage ratings Cap2 : Series and agency approval marks Dimensions Operating Temperature: –55ºC to 125ºC. Thermal Shock: MIL-STD-202G, Method 107G, Test Condition B (5 Cycles -65ºC to +125ºC). Vibration MIL-STD-202G, Method 201A Humidity MIL-STD-202G, Method 103B, Test Condition A: High relative humidity (95%) and elevated temp (40ºC) for 240 hours Salt Spray MIL-STD-202G, Method 101E, Test Condition B 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 N/A 1000 MX N/A 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.