Axial Lead & Cartridge Fuses "(.&5*#'VTF4FSJFT 388 Series PS E Lead-Free 3AG, METI B Fuse Description The Littelfuse 388 Series is a 3AG size fuse that solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection. Features t %FTJHOFEUP+BQBOFTF Standard JIS C6575 t "WBJMBCMFJODBSUSJEHF and axial lead form and various forming demensions t 3P)4DPNQMJBOUBOE Lead-free Agency Approvals Agency PS E Applications Agency File Number Ampere Range Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. NBK131107-JP1021A NBK010207JP1021A/B/C/D 1A - 30A SU05001-8001 SU05001-7001/2/3/4 3A - 6A 7A/10A - 30A Electrical Characteristics for Series % of Ampere Rating Opening Time 130 1 Hour, Minimum 160 1 hour, Maximum 200 120 seonds, Maximum 1A - 30A Electrical Characteristic Specifications by Item 1 Voltage Rating Breaking Capacity Nominal Resistance Cold Ohms (ohms) Nominal Melting 2T (A2Sec.) Agency Approvals PS E 001. 1 250 0.1651 0.800 x x 01.5 1.5 250 0.0845 2.680 x x 002. 2 250 0.0522 7.200 x x 02.5 2.5 250 0.0375 9.540 x 003. 3 250 0.0313 22.10 x x x 004. 4 250 0.0239 28.50 x x x 005. 5 250 0.0184 66.10 x x x 006. 6 250 0.0140 116.0 x x x 007. 7 250 0.0127 118.0 x x x 008. 8 250 0.0109 166.0 x x 009. 9 250 0.0082 298.0 x x 100A @ 250Vac x 010. 10 250 0.0072 234.6 x x x 012. 12 250 0.0052 490.5 x x x 015. 15 250 0.0042 1029 x x x 020. 20 250 0.0029 2041 x x x 025. 25 250 0.0019 3717 x x x 030. 30 250 0.0013 7531 x x x Depending on the application and mounting, the fuse heating at max. ambient temperature in a closed fuseholder should be considered. p = pending Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/388.html for current information. 333 Revised: January 7, 2009 388 Series 388 Series Amp Code Amp Rating Introduction to & Circuit Protection Axial Lead Cartridge Fuses Transientology "(.&5*#'VTF4FSJFT Average Time Current Curves 1A 1.5A 2A 2.5A 3A 4A 5A 6A 7A 8A 10A 12A 15A 20A 25A 30A Temperature Rerating Curve 1000 100 TIME IN SECONDS 10 1 0.1 0.01 0.1 1 10 CURRENT IN AMPERES 1000 100 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 240 230 220 210 200 190 180 170 160 140 150 130 120 110 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 Heating Time: 5 seconds max. Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. 388 Series 334 Revised: January 7, 2009 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/388.html for current information. Axial Lead & Cartridge Fuses "(.&5*#'VTF4FSJFT Product Characteristics Materials Body: Glass End Caps: Nickel–plated brass Leads: Tin–plated Copper Terminal Strength MIL-STD-202G, Method 211A, Test Condition A Solderability Reference IEC 60127 Second Edition 2003-2001 Annex A Cap1: Product Marking Cap2: Brand logo, current and voltage ratings Series and agency approval marks Dimensions (mm) Operating Temperature -55ºC to +125ºC (consider de-rating) Thermal Shock MIL-STD-202G Method 107 G, Test conditon B:(5 cycles - 65ºC to 125ºC) Vibration MIL-STD-202G, Method 201A Humidity MIL-STD-202G, Method 103B, Test Condition A: High RH (95%) and Elevated temperature (40°C) for 240 hours Salt Spray MIL-STD-202G, Method 101D, Test Condition B Part Numbering System 388 000P Series 0388 xxxx M X E P 388 000EP Series Series 0.813 (.032") 6.985 (.275") Amp Code Refer to Amp Code column of Electrical Characteristics Table 6.35 (.25") 32.72 (1.288") 31.75 (1.25") 38.1 (1.50") TYP. Quantity Code M = 1000 Axial Lead Material: Tin coated copper. Packaging Code X = Filler Option Code E = Axial leaded fuses Blank = Cartridge fuses Lead-free Packaging Option 388 Series Bulk Bulk Packaging Specification Quantity Quantity & Packaging Code Reel Size N/A N/A 1000 1000 MX MXE N/A N/A © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/388.html for current information. 335 Revised: January 7, 2009 388 Series Packaging 388 Series