Axial Lead & Cartridge Fuses 3AB 1000Vac/dc High Voltage Fuse 508 Series Lead-Free 3AB Fuse RoHS Pb Description A 1000Vac/Vdc rated ceramic fuse with a 10,000A interrupting rating in a compact 6.3×32mm package, which is well suited for circuit protection in high energy applications. Features • In accordance • Interrupting rating of with Underwriter’s 10,000 Amperes Laboratories Standard UL • Compact form factor of 248-14 6.3×32mm • Available in cartridge and Agency Approvals axial lead • RoHS compliant and Agency Agency File Number Ampere Range Lead-free E10480 0.315A - 1A Applications N/A 0.315A - 1A Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. Electrical Characteristics Additional Information % of Ampere Ampere Rating Opening Time Rating 100% 4 Hours, Minimum 135% 0.315A - 1A 1 Hour, Maximum Datasheet Resources Samples Accessories 200% 120 Seconds, Maximum For recommended fuse accessories for this product series, see ‘Recommended Accessories’ section. Electrical Characteristic Nominal Cold Nominal Agency Approvals Voltage Interrupting Amp Code Amp Rating Resistance Melting Rating Rating (mohms) I2t (A2 sec.) .315 0.315 1000 9200 0.071 x x 10kA @ 1000Vac .500 0.5 1000 3572 0.259 x x 10kA @ 1000Vdc 001 1 1000 1580 0.449 x x * 10KA@600Vac/dc also cURus approved. Add suffix “6”. Example: 0508.315MX6P. © 2018 Littelfuse, Inc. Application testing is strongly recommended.Specifications are subject to change without notice. Revised: 08/06/18

Axial Lead & Cartridge Fuses 3AB 1000VAC / DC High Voltage Fuse Temperature Re-rating Curve Average Time Current Curves 10000 0.315A 0.50A 1.00A 1000 s) 100 d n co 10 e s me ( 1 Ti 0.1 0.01 0.001 0.01 0.1 1 10 100 Amps Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. Soldering Parameters - Wave Soldering Recommended Process Parameters: 300 Measured on bottom side of board 111112222202468024680000000000 ( SPD roe eTTPpleedhermmneeedhraspp e WtPoee:anorrat aaF tTvttl Tuuuiexmerr eeAmPec aMMt:pirveaaiantrmixoaiminmte Tuuteuremmemrp::e:rature) (1162T05y06Lp00-0ei1c°°°aa8CCCld 0I n- MdFsuerasectxreoyim nRRdeuecsmcomommemndeatniodn)ation C) - 80 mperature (° 246000 RSeocldoemr mDweenldl Teidm eH:and-Solder 2P-a5r saemcoentdesrs: Te 00 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. Time (Seconds) Preheat Time Cooling Time Note: These devices are not recommended for IR or Dwell Time Convection Reflow process. Product Characteristics Body : Ceramic Operating –55ºC to 125ºC. Materials Cap : Nickel–plated brass Temperature: Leads : Tin-plated Copper Thermal MIL-STD-202, Method 107, Test Condition B MIL-STD-202, Method 211, Terminal Strength Shock: (5 Cycles -65ºC to +125ºC). Test Condition A Vibration MIL-STD-202, Method 201 Solderability MIL-STD-202 Method 208 Humidity MIL-STD-202, Method 103, Test Condition A: High relative humidity (95%) and elevated Cap1 : Brand logo, current and voltage temp (40ºC) for 240 hours Product Marking ratings Cap2 : Series and agency approval marks Salt Spray MIL-STD-202, Method 101, Test Condition B © 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 08/06/18

Axial Lead & Cartridge Fuses 3AB 1000Vac/dc High Voltage Fuse Dimensions Part Numbering System Measurements displayed in millimeters (inches) 0508xxxxMX E P 508 000P Series 508 000EP Series (cartridge) (axial leaded) Series Amp Code 6.35±0.3 6.985±0.3 Refer to Amp Code column of (.25") (.275") Electrical Characteristics Table 31.75±1.12 32.72±1.12 Quantity Code (1.25") (1.288") M = 1000 Axial Lead Diameter: Axial Lead Length: 0.81±0.05 (.032") Standard Length: Packaging Code 39.68 (1.56") TYP. X = Filler Axial Lead Material: Short Lead Option: Option Codes Tin-coated copper 12.70 (0.50”) TYP Blank : Cartidage Type Fuse E : Axial Lead Fuse Lead-free Packaging Quantity & Packaging Packaging Option Packaging Specification Quantity Reel Size Code 508 Series Bulk N/A 1000 MX N/A Bulk N/A 1000 MXE N/A Recommended Accessories Max Max Accessory Series Description Application Application Type Voltage Amperage Holder 150322 In-Line Fuseholder 500 15 354 Low Profile OMNI-BLOK® Fuse Block 30 Block 600 359 High Current Screw Terminal Fuse Block 30 122 High Current Traditional PC Board Fuse Clip 1000 30 Clip 101 Rivet/Eyelet Type Fuse Clip 1000 15 Notes: 1. Do not use in applications above rating. 2. Please refer to fuseholder data sheet for specific re-rating information. 3. Please contact factory for applications greater than the max voltage and amperage shown. Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics. © 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 08/06/18