Axial Lead & Cartridge Fuses 3AB > 504 Series Fuse 504 Series, 6.3x32mm Fuse RoHS Pb Description A 420VDC and 500VAC 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 Underwriters Laboratories Standard UL 248-14 Agency Approvals Agency Agency File Number Ampere Range E10480 25A-30A N/A 25A-30A • RoHS compliant and Lead-free • Compact form factor of 6.3mm x 32mm • Available in cartridge and axial lead form and with various lead forming dimensions. Applications • High Voltage AC/DC power application Electrical Characteristic Specifications by Item Amp Code Ampere Rating (A) 025. 25 030. 30 Agency Approvals Max. Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) 420VDC 500VAC 400A@420VDC 1500A@250VAC 200A@500VAC 3.95 1500 x x 3.1 2600 x x Electrical Characteristics for Series % of Ampere Rating Ampere Rating 100% 135% 200% Opening Time 4 Hours, Minimum 25-30 1 Hour, Maximum 120 Seconds, Maximum © 2016 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: 02/26/16 Axial Lead & Cartridge Fuses 3AB > 504 Series Fuse Average Time Current Curves Temperature Re-rating Curve 25A 30A 10000 Time in Seconds 1000 100 10 1 0.1 0.01 1 10 100 Current in Amperes 1000 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: Wave Parameter 280 260 240 Preheat: 220 (Depends on Flux Activation Temperature) 200 180 160 140 Lead-Free Recommendation (Typical Industry Recommendation) Temperature Minimum: 100°C Temperature Maximum: Preheat Time: 150°C 60-180 seconds 120 100 80 60 Solder Pot Temperature: 260°C Maximum Solder Dwell Time: 2 to 5 seconds 40 Recommended Hand-Solder Parameters: Time (Seconds) Cooling Time Preheat Time Dwell Time © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 02/26/16 240 230 220 210 200 190 180 170 160 150 140 130 120 110 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. Axial Lead & Cartridge Fuses 3AB > 504 Series Fuse 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 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 Part Numbering System Dimensions Measurements displayed in millimeters (inches) 504 000P Series (cartridge) 0504 xxxx M X E P 504 000P 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: 1.20±0.05 (.047") M = 1000 Axial Lead Length: 39±1 (1.54") TYP. Packaging Code Axial Lead Material: Tin-coated copper Option Codes X = Filler Blank: Cartridge Type Fuse E : Axial Leaded 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 504 Series © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 02/26/16