Axial Lead & Cartridge Fuses Datasheet 505 Series Lead-free 3AB, Fast-Acting Fuse RoHS Pb Description The 505 Series is a 500VAC/VDC rated ceramic fuse with a 20,000A interrupting rating in a compact 6.3 x 32mm package. Suitable for circuit protection in high energy applications. Features Available in cartridge and axial Compact form factor of lead form and with various 6.3mm x 32mm lead forming dimensions. Recognized to UL/CSA/NMX RoHS compliant and Lead- 248-1 and UL/CSA/NMX free 248-14 Interrupting rating of 20,000 Conforms to EN 60127-1 and Amperes EN 60127-7 Agency Approvals Applications Uninterruptible Power Three-Phase Power Supplies Agency Agency File Number Ampere Range Supplies (UPS) E10480 10A - 30A 1620079 10A - 12A T5026910801 15A - 30A Additional Information N/A 10A - 30A Electrical Characteristics for Series % of Ampere Resources Accessories Samples Ampere Rating Opening Time Rating 150% 30 minutes, Maximum For recommended fuse accessories for this product series, see Recommended Accessories section. 200% 10A - 30A 30 minutes, Maximum 300% 10 seconds, Maximum Electrical Characteristic Specifications by Item Agency Approvals Ampere Voltage Interrupting Nominal Cold Nominal Melting Amp Code Rating Rating 2 2 Rating Resistance (Ohms) I t (A sec) (A) (V) 20kA 450VAC 010. 10 450 0.0167 91 x x - x 1000A 250VDC 200A 500VAC * 010. 10 500 0.0167 91 x - - x 200A 500VDC 20kA 450VAC 012. 12 450 0.0117 192 x x - x 1000A 250VDC 015. 15 500 0.0073 68 x - x x 50kA 500VAC 20kA 500VDC 016. 16 500 0.0073 68 x - x x 020. 20 500 0.0056 140 x - x x 30kA 500VAC 025. 25 500 0.0048 210 x - x x 20kA 500VDC 030. 30 500 0.0038 280 x - x x Notes: 1. 20kA 500VAC and 20kA 500VDC interrupting rating available for TUV certification of 15A - 30A 2. *200A 500VAC and 200A 500VDC interrupting rating available for 10A. Add suffix 500. Example: 0505010.MX500P, and 0505010.MXE500P 2021 Littelfuse, Inc. 1 Specifications are subject to change without notice. Revised: GD. 02/10/21Axial Lead & Cartridge Fuses Datasheet 505 Series Lead-free 3AB, Fast-Acting Fuse Temperature Re-rating Curve Average Time Current Curves 10000 1000 100 10 1 0.1 0.01 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.001 0.01 0.11 10 1001000 CURRENT IN AMPERES Soldering Parameters - Wave Soldering Recommended Process Parameters: 300 Wave Parameter Lead-Free Recommendation 280 260 Preheat: 240 (Typical Industry Recommendation) (Depends on Flux Activation Temperature) 220 Temperature Minimum: 100 C 200 180 Temperature Maximum: 150C 160 Preheat Time: 60-180 seconds 140 120 Solder Pot Temperature: 270C 100 80 Solder Dwell Time: 10 seconds Maximum 60 40 20 0 Recommended Hand-Solder Parameters: Time (Seconds) Solder Iron Temperature: 350C +/- 5C Preheat Time Cooling Time Heating Time: 5 seconds max. Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. 2021 Littelfuse, Inc. 2 Specifications are subject to change without notice. Revised: GD. 02/10/21 Temperature (C) - Measured on bottom side of board 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 TIME IN SECONDS 10A 12A 15A 16A 20A 25A 30A