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. (c) 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 -55C to +125C Terminal Strength .*-45%( .FUIPE" 5FTU Condition A Thermal Shock .*-45%( .FUIPE( 5FTU Condition B: (5 cycles -65C to +125C) Solderability 3FGFSFODF*&$4FDPOE&EJUJPO 2003-01 Annex A Vibration .*-45%( .FUIPE" Humidity .*-45%( .FUIPE# 5FTU Condition A: High RH (95%) and Elevated temperature (40C) 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 (c) 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 (c) 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 (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice.