Axial Lead & Cartridge Fuses 2 3AB > High I t > 328 Series RoHS Pb 328 Series, Lead-Free 3AB, High Surge Withstand Fuse Description The 328 Series is a 300VAC rated, 10kA surge withstand, 6.332mm ceramic fuse, designed in accordance to UL 248-1 and UL 248-14 Standards, provided in cartridge and axial-lead packages. Features High surge withstand Small form factor capability (6.332mm) with cartridge and axial-lead 20 hits of 10kA 8/20s package options surge Breaking capacity: Meets ANSI/IEEE 200A 300VAC, C62.41.2, Category Agency Approvals 200A 100VDC C-High Lead-free, RoHS Meets US Dept of Agency Agency File Number Ampere Range compliant and halogen- Energy (DOE) MSSLC/ T 50260582 01* 21A free CBEA street lighting E10480 21A and parking lot lighting, Recognized to UL/CSA/ * - Approved to UL 248-1 and UL 248-14 elevated level NMX 248-1 and UL/CSA/ NMX 248-14 Operating temperature: Electrical Characteristics for Series 55C to 125C % of Ampere Rating Opening Time 100% 4 hours, minimum Applications 200% 120 sec., maximum Commercial and outdoor LED luminaries Outdoor electronics and electrical equipment. Additional Information Surge protection for telecom application. Datasheet Samples Accessories Resources For recommended fuse accessories for this product series, see Recommended Accessories section. Electrical Characteristic by ltem Agency Approvals Amp Rating Voltage Rating Interrupting Surge Nominal Cold Nominal Melting 2 2 (A) (VAC) Rating Rating Resistance (Ohms) I t (A sec) 1.2/50 - 8/20s, 200A 300VAC 21 300 20kV/10kA 0.0042 4,800 X X 200A 100VDC 20 hits 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/17/20Axial Lead & Cartridge Fuses 2 3AB > High I t > 328 Series Temperature Re-rating Curve Average Time Current Curves 10000 1000 100 10 1 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for 0.1 continuous operation. 0.01 0.001 10 100 1000 Amps Soldering Parameters - Wave Soldering Recommended Process Parameters: 300 280 Wave Parameter Lead-Free Recommendation 260 240 Preheat: (Depends on Flux Activation Temperature) (Typical Industry Recommendation) 220 200 Temperature Minimum: 100C 180 Temperature Maximum: 150C 160 Preheat Time: 60180 seconds 140 120 Solder Pot Temperature: 260C Maximum 100 Solder Dwell Time: 25 seconds 80 Recommended Hand-Solder Parameters: 60 Solder Iron Temperature: 350C 5C 40 Heating Time: 5 seconds max. 20 Note: These devices are not recommended for IR or Convection Reflow process. 0 Time (Seconds) Preheat Time Cooling Time Dwell Time 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/17/20 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 (seconds) 21 A