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. © 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 +/- 5°C )FBUJOH5JNFTFDPOETNBY Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. 314/324 Series 322 © 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 –55ºC to +125ºC Terminal Strength MIL-STD-202G, Method 211A, Test Condition A Thermal Shock MIL-STD-202G, Method 107G, Test Condition B: (5 cycles -65°C to +125°C) 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 (40°C) 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 © 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