Axial Lead & Cartridge Fuses 3AB > Fast Acting > 314/324 Series 314/324 Series PS E Lead-free 3AB, Fast-acting Fuse 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 t *OBDDPSEBODFXJUI6- Standard 248-14 t "WBJMBCMFJODBSUSJEHF and axial lead format and with various forming dimensions Agency Approvals Agency PS E t 3P)4DPNQMJBOUBOE Lead-free Applications Agency File Number Ampere Range E10480 125mA - 15A LR 29862 125mA - 20A E10480 15A* - 40A NBK 030805 - E10480A-F NBK 260106 - JP1021A/B 125mA - 30A SU05001 6001/6002/6003/7006 125mA - 30 A % of Ampere Rating 100% 135% 125mA - 30A 200% Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. Electrical Characteristics for Series Ampere Rating Opening Time 125mA - 30A 125mA - 30A 125mA - 12A 15A - 30A 4 hours, Minimum 1 sec.., Maximum 15 sec., Maximum 30 sec., Maximum Ampere Rating (A) Voltage Rating (V) .125 .250 .375 .500 .750 001. 002. 003. 004. 005. 006. 007. 008. 010. 012. 015. 015.* 0.125 0.25 0.375 0.5 0.75 1 2 3 4 5 6 7 8 10 12 15 15 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 280 020. 20 250 Amp Code 020.* 20 280 025. 25 250 025.** 25 280 030. 30 250 040. 40 250 Interrupting Rating 35A@250Vac 10KA@125Vac 10KA@125Vdc 100A@250Vac 10KA@125Vac 10KA@125Vdc 750A@250Vac 10KA@125Vac 10KA@125Vdc 1000A@250Vac 200A@300Vac 10KA@125Vac 10KA@125Vdc Nominal Cold Resistance (Ohms) 6.20 1.95 0.820 0.500 0.250 0.189 0.0700 0.0432 0.0470 0.0300 0.0240 0.0187 0.0153 0.0105 0.00760 0.00505 0.00505 Agency Approvals Nominal Melting 2 I t (A2 sec) 0.00149 0.0140 0.050 0.115 0.466 0.690 11.0 14.6 10.4 26.0 45.0 71.0 105 206 570 292 292 0.00355 631 0.00355 631 0.00235 1450 0.00235 1450 100A@250Vac 1000@75Vdc 400@125Vac 400A@125Vdc 0.00182 2490 1000A@250Vac 400A@150Vdc 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 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 15A and 20A. ** 50A@280Vac for 25A. Add suffix '280'. Example: 0324020.MX280P. (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/314.html or /324.html for current information. 321 Revised: July 15, 2009 314/324 Series 314/324 Series Electrical Characteristic Specification by Item Introduction to & Circuit Protection Axial Lead Cartridge Fuses 3AB > Fast Acting > Transientology 314/324 Series 2A 3A 4A 5A 6A 7A 8A 10A 12A 15A 20A 25A 30A 40A 1/4A 3/8A 1/2A 3/4A 1A Average Time Current Curves 1/8A Temperature Rerating Curve 1000 TIME IN SECONDS 100 10 1 0.1 0.01 0.1 1 10 100 CURRENT IN AMPERES 1000 Soldering Parameters - Wave Soldering Recommended Process Parameters: 280 260 Wave Parameter 240 220 200 Preheat: 180 (Depends on Flux Activation Temperature) 160 140 120 100 80 60 40 Lead-Free Recommendation (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 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: Time (Seconds) Cooling Time Preheat Time Solder Iron Temperature: 350 C +/- 5C )FBUJOH5JNFTFDPOETNBY Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. 314/324 Series 322 (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/314.html or /324.html for current information. 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 -55C to +125C Terminal Strength MIL-STD-202G, Method 211A, Test Condition A Thermal Shock MIL-STD-202G, Method 107G, Test Condition B: (5 cycles -65C to +125C) Reference IEC 60127 Second Edition 2003-01 Annex A Vibration MIL-STD-202G, Method 201 A Solderability Humidity MIL-STD-202G, Method 103B, Test $POEJUJPO")JHI3) BOE&MFWBUFE temperature (40C) for 240 hours Salt Spray MIL- STD-202G, Method 101D, Test Condition B Cap1: Product Marking Cap2: Brand logo, current and voltage ratings Series and agency approval marks Dimensions Part Numbering System 314 000P Series 324 000P Series 0314 xxxx M X P 0.813 (.032") (1/ 8 - 15A) 1.016 (.040") (20 - 30A) 6.985 (.275") Series Amp Code 6.35 (.25") Refer to Amp Code column of Electrical Characteristics Table 32.72 (1.288") 31.75 (1.25") 38.1 (1.50") TYP. Axial Lead Material: Tin coated copper. Quantity Code M = 1000 Packaging Code X = Filler Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Reel Size N/A N/A N/A N/A N/A N/A 5 100 1000 1000 1000 1000 VX )9 MX MX52L MXCC MX52LE N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 5 100 1000 1000 1000 1000 VX )9 MX MX280 MX52 MXF24 N/A N/A N/A N/A N/A N/A 314 Series Bulk Bulk Bulk Bulk Bulk Bulk 324 Series Bulk Bulk Bulk Bulk Bulk Bulk (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/314.html or /324.html for current information. 323 314/324 Series 314/324 Series Lead-free