Axial Lead & Cartridge Fuses 3AB > Very Fast-Acting > 322 Series 322/332 Series PS E Lead-free 3AB, Very Fast-acting Fuse Description The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features t *OBDDPSEBODFXJUI6- Standard 248-14 t 3P)4DPNQMJBOUBOE -FBEGSFF t "WBJMBCMFJODBSUSJEHF format only Applications Agency Approvals Agency Agency File Number Ampere Range E10480 12A - 30A E10480 1A - 10A 6TFEBTTVQQMFNFOUBSZQSPUFDUJPOJOBQQMJBODFPS utilization equipment to provide individual protection for components or internal circuits. Electrical Characteristics for Series NBK080306JP1021A/B PS E 1A - 10A % of Ampere Rating Ampere Rating 100% 1 – 30 4 hours, Minimum 1 – 10 .2 second, Maximum 12 – 30 1 sec.ond, Maximum. 250% 1A - 30A Opening Time Electrical Characteristic Specifications by Item Ampere Rating (A) Voltage Rating (V) 001. 1 Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting 2 I t (A2 sec) PS E 250 0.0927 0.100 x Interrupting Rating x x 1.25 1.25 250 0.0804 0.156 x x x 002. 2 250 0.0416 0.560 x x x 003. 3 250 0.0245 1.890 x x x 004. 4 250 005. 5 250 006. 6 250 007. 7 250 100A@250Vac 100A@125Vdc 200A@72Vdc 0.0179 3.360 x x x 0.0128 6.250 x x x 0.0117 8.208 x x x 0.0108 10.58 x x x 008. 8 250 0.0088 16.45 x x x 009. 9 250 0.0077 20.66 x x x 010. 10 250 0.0073 24.0 x x x 012. 12 65 0.0515 60.0 x x 015. 15 65 0.0043 90.0 x x 020. 20 65 0.0034 192.0 x x 025.* 25 65 0.0029 325.0 x x 030.* 30 65 0.0023 540.0 x x 200A@65Vac 1000A@65Vdc * Ratings from 1A to 10A are available for 332 series * Ratings from 12A to 30A are available for 322 series, these ratings are RoHS compliant version. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/322.html for current information. 325 Revised: September 9, 2010 322 Series 322 Series Amp Code Introduction to & Circuit Protection Axial Lead Cartridge Fuses Transientology 3AB > Very Fast-Acting > 322 Series 2A 3A 4A 5A 6A 7A 8A 10A 12A 15A 20A 25A 30A 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 Product Characteristics Materials Body: Ceramic Cap: Nickel–plated brass Operating Temperature –55ºC to +125ºC Terminal Strength .*-45%(.FUIPE"5FTU Condition A Thermal Shock .*-45%(.FUIPE(5FTU Condition B: (5 cycles -65°C to +125°C) Solderability 3FGFSFODF*&$4FDPOE&EJUJPO 2003-01 Annex A Vibration .*-45%(.FUIPE" Humidity .*-45%(.FUIPE#5FTU Condition A: High RH (95%) and Elevated temperature (40°C) for 240 hours Salt Spray .*-45%(.FUIPE%5FTU Condition B Cap1: Product Marking 322 Series Cap2: Brand logo, current and voltage ratings Series and agency approval marks 326 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/322.html for current information. Axial Lead & Cartridge Fuses 3AB > Very Fast-Acting > 322 Series Dimensions Part Numbering System 322 000P / 332 000P Series 0322 xxxx M X P Series 6.35 (.25") Amp Code 31.75 (1.25") Refer to Amp Code column of Electrical Characteristics Table Quantity Code M = 1000 Packaging Code X = Filler Lead-free Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Reel Size N/A N/A 1000 100 MX HX N/A N/A N/A N/A 100 1000 HX MX N/A N/A 322Series 322 Series Bulk Bulk 332 Series Bulk Bulk © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/322.html for current information. 327 322 Series Introduction to Circuit Protection Transientology 328 © 2009 Littelfuse, Inc. Specifications are subject to change without notice.