Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 314/324 Series 314/324 Series Lead-free 3AB, Fast-Acting Fuse RoHS Pb PS E Description The 3AB Fast-Acting Fuse with ceramic body construction permits higher interrupting ratings and voltage ratings. Ideal for applications where high current loads are expected. Features • In accordance with UL Standard 248-14 • Available in cartridge and axial lead format and with various forming dimensions Agency Approvals Agency PS E • RoHS compliant and Lead-free Agency File Number Ampere Range E10480 0.375A - 15A 29862 0.375A - 20A E10480 15A* - 40A NBK030805-E10480A/B NBK030805-E10480C/D NBK030805-E10480E/F NBK260106-JP1021A/B 1-3.5A 4-5A 6-15A 20-30A SU05001-6003 SU05001-6001 SU05001-6006 SU05001-8002 SU05001-8003 SU05001-6002 3A 4-6A 7-10A 12-15A 20A 25-30A N/A 0.375A - 30A Applications Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. Electrical Characteristics for Series % of Ampere Rating 100% 135% 200% 250% Ampere Rating Opening Time 1/8 - 40 1/8 - 30 1/8 - 12 15 - 30 40 4 hours, Minimum 1 hour, Maximum 15 secs., Maximum 30 secs., Maximum 30 secs., Maximum Electrical Specification by Item Ampere Rating (A) Voltage Rating (V) .375 .500 .750 001. 002. 003. 004. 005. 006. 007. 008. 010. 010.* 012. 015. 015.* 0.375 0.5 0.75 1 2 3 4 5 6 7 8 10 10 12 15 15 250 250 250 250 250 250 250 250 250 250 250 250 280 250 250 280 020. 20 250 Amp Code 020.* 20 280 025. 25 250 025.** 25 280 030. 30 250 040. 40 250 Interrupting Rating 35 A @ 250 VAC 10 kA @ 125 VAC 10 kA @ 125 VDC 100 A @ 250 VAC 10 kA @ 125 VAC 10 kA @ 125 VDC 750 A @ 250 VAC 10 kA @ 125 VAC 10 kA @ 125 VDC 1000 A @ 250 VAC 200 A @ 300 VAC 10 kA @ 125 VAC 10 kA @ 125 VDC Nominal Cold Resistance (Ohms) 0.820 0.500 0.250 0.189 0.0700 0.0432 0.0470 0.0300 0.0240 0.0187 0.0153 0.0105 0.0105 0.00760 0.00505 0.00505 0.00355 Agency Approvals Nominal Melting 2 I t (A2 sec) 0.210 0.639 2.061 0.690 5.700 14.6 10.4 26.0 45.0 71.0 105 206 206 570 292 292 631 0.00355 631 0.00235 1450 0.00235 1450 100 A @ 250 VAC 1000A @ 75 VDC 400A @ 125 VAC 400 A @ 125 VDC 0.00182 2490 1000 A @ 250 VAC 400 A @ 150 VDC 0.0014 22925 PS E x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x * 350A@280VAC interrupting rating available for 10A, 15A and 20A. ** 50A@280VAC for 25A. Add suffix ’280’. Example: 0324020.MX280P. I2t test at 10x rated current © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 07/31/15 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 314/324 Series 2A 3A 4A 5A 6A 7A 8A 10A 12A 15A 20A 25A 30A 40A Average Time Current Curves .375A .500A .750A 1A Temperature Re-rating Curve 1000 TIME IN SECONDS 100 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 10 1 0.1 0.01 0.1 1 10 100 1000 CURRENT IN AMPERES Soldering Parameters - Wave Soldering Recommended Process Parameters: 280 260 Wave Parameter 240 220 Lead-Free Recommendation Preheat: 200 (Depends on Flux Activation Temperature) 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 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 Recommended Hand-Solder Parameters: Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/31/15 Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 314/324 Series Product Characteristics Materials Body:Ceramic Cap: Nickel–plated Brass Leads: Tin–plated Copper Operating Temperature –55ºC to +125ºC Terminal Strength MIL-STD-202, Method 211, Test Condition A Thermal Shock MIL-STD-202, Method 107, Test Condition B (5 cycles, -65°C to +125°C) Solderability MIL-STD-202 Method 208 Vibration MIL-STD-202, Method 201 Humidity Product Marking Cap1: Brand logo, current and voltage ratings Cap2: Series and agency approval marks MIL-STD-202, Method 103, Test Condition A (High RH (95%) and Elevated temperature (40°C) for 240 hours) Salt Spray MIL- STD-202, Method 101, Test Condition B Part Numbering System Dimensions Measurements displayed in millimeters (inches) 314 000P Series (cartridge) 0314 xxxx M X P 324 000P Series (axial leaded) 6.35±0.3 (.25") Series 6.985±0.3 (.275") 31.75±1.12 (1.25") 32.72±1.12 (1.288") Axial Lead Diameter: 0.81±0.05 (.032") for (.125A - 15A) 1.02±0.06 (.040") for (20A - 40A) Axial Lead Length: 38.1±3.15 (1.50") TYP. 52±3 (2.0") for Long Lead Axial Lead Material: Tin-coated copper Amp Code Refer to Amp Code column of Electrical Specification Table Quantity Code M = 1000 Packaging Code X = Filler Lead-free Packaging Packaging Option Additional Information Packaging Specification Quantity 314 Series Bulk Bulk Bulk N/A N/A N/A 5 100 1000 Bulk N/A 1000 Bulk N/A 1000 Bulk N/A 1000 324 Series Bulk Bulk Bulk Bulk N/A N/A N/A N/A 5 100 1000 1000 Bulk N/A 1000 Bulk N/A 1000 © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/31/15 Quantity & Packaging Code Taping Width VX HX MX MX52L (long lead) MXCC MX52LE (long lead) N/A N/A N/A VX HX MX MX280 MX52 (long lead) MXF24 N/A N/A N/A N/A N/A N/A N/A N/A N/A Datasheet 314 Series Resources 314 Series Samples 314 Series Datasheet 324 Series Resources 324 Series Samples 324 Series