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 remarkable interrupting rating in a compact 6.3×32mm package, which is well suited for circuit protection in high energy applications. Features • In accordance with Underwriter’s Laboratories Standard UL 248-14 Agency File Number Ampere Range E10480 0.315A - 1A N/A 0.315A - 1A Electrical Characteristics % of Ampere Rating • Compact form factor of 6.3×32mm • Available in cartridge and axial lead Agency Approvals Agency • Superior Interrupting rating of 10,000 Amperes Ampere Rating Opening Time 100% • RoHS compliant and Lead-free Applications Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. Additional Information 4 Hours, Minimum 0.315A - 1A 135% 1 Hour, Maximum 200% 120 Seconds, Maximum Datasheet Samples Resources Electrical Characteristic Amp Code Amp Rating Voltage Rating .315 0.315 1000 .500 0.5 1000 001 1 1000 Interrupting Rating 10kA @ 1000Vac 10kA @ 1000Vdc * 10KA@600Vac/dc also cURus approved. Add suffix “6”. Example: 0508.315MX6P. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 06/12/15 Agency Approvals Nominal Cold Resistance (mohms) Nominal Melting I2t (A2 sec.) 9200 0.071 x x 3572 0.259 x x 1580 0.449 x x Axial Lead & Cartridge Fuses 3AB 1000Vac/dc High Voltage Fuse 508001 508.500 Average Time Current Curves 508.315 Temperature Re-rating Curve 10000 Time (seconds) 1000 100 10 1 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: 280 Wave Parameter 260 Lead-Free Recommendation Preheat: 240 220 (Depends on Flux Activation Temperature) 200 180 160 140 120 100 80 60 40 (Typical Industry Recommendation) Temperature Minimum: 100°C Temperature Maximum: Preheat Time: 150°C 60-180 seconds Solder Pot Temperature: 260°C Maximum Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: Time (Seconds) Cooling Time Preheat Time Dwell Time 240 230 220 210 200 190 180 170 160 150 140 130 120 110 90 100 80 70 60 50 40 30 0 0 20 20 10 Temperature (°C) - Measured on bottom side of board 300 Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. Product Characteristics Materials Body : Ceramic Cap : Nickel–plated brass Leads : Tin-plated Copper 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 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 temp (40ºC) for 240 hours Salt Spray MIL-STD-202, Method 101, Test Condition B © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/12/15 Axial Lead & Cartridge Fuses 3AB 1000VAC / DC High Voltage Fuse Part Numbering System Dimensions 0508 xxxx M X E P Measurements displayed in millimeters (inches) 508 000P Series (cartridge) 508 000EP Series (axial leaded) 6.35±0.3 (.25") Series Amp Code Refer to Amp Code column of Electrical Characteristics Table 6.985±0.3 (.275") 31.75±1.12 (1.25") Quantity Code 32.72±1.12 (1.288") Axial Lead Diameter: 0.81±0.05 (.032") Axial Lead Material: Tin-coated copper M = 1000 Axial Lead Length: Standard Length: 39.68 (1.56") TYP. Short Lead Option: 12.70 (0.50”) TYP Packaging Code X = Filler Option Codes Blank : Cartidage Type Fuse E : Axial Lead Fuse 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 508 Series © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/12/15