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 3P)4DPNQMJBOUBOE Lead-free t "WBJMBCMFJODBSUSJEHF and axial lead format and with various forming dimensions Agency Approvals Agency Applications Agency File Number Ampere Range E10480 375mA - 15A LR 29862 375mA - 20A E10480 15A* - 40A NBK 030805 - E10480A-F NBK 260106 - JP1021A/B 375mA - 30A SU05001 6001/6002/6003/7006/8002/8003 375mA - 30A PS E 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% 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 200% 375mA - 30A 250% Ampere Rating (A) Voltage Rating (V) .375 .500 .750 001. 002. 003. 004. 005. 006. 007. 008. 010. 012. 015. 015.* 0.375 0.5 0.75 1 2 3 4 5 6 7 8 10 12 15 15 250 250 250 250 250 250 250 250 250 250 250 250 250 250 280 020. 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 0.00760 0.00505 0.00505 Agency Approvals Nominal Melting 2 I t (A2 sec) 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 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 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. I2t test at 10x rated current © 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 Revised: June 23, 2011 314/324 Series 314/324 Series Electrical 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 Average Time Current Curves .375A .500A .750A 1A Temperature Rerating Curve 1000 TIME IN SECONDS 100 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 240 220 200 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 324 © 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 Product Marking Cap1: Brand logo, current and voltage ratings Cap2: Series and agency approval marks 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 Dimensions Part Numbering System 314 000P Series 324 000P Series 0314 xxxx M X P 0.813 (.032") (.125 - 15A) 1.016 (.040") (20 - 40A) 6.985 (.275") Series Amp Code 6.35 (.25") Refer to Amp Code column of Electrical Specification 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 Taping Width N/A N/A 1000 100 MX )9 N/A N/A N/A N/A 1000 100 MX )9 N/A N/A 314 Series Bulk Bulk 324 Series 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. 325 314/324 Series 314/324 Series Lead-free