Axial Lead & Cartridge Fuses 3AB > Very Fast-Acting > 322/332 Series 322/332 Series Lead-free 3AB, Very Fast-acting Fuse RoHS Pb PS E Description The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features • In accordance with UL Standard 248-14 • RoHS compliant and Lead-free • Available in cartridge format only Applications Agency Approvals Agency Agency File Number Ampere Range Series E10480 12A - 30A 322 E10480 1A - 10A 332 NBK080306-JP1021A NBK080306-JP1021B 1-5A 6-10A N/A 1A - 30A Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. Electrical Characteristics for Series PS E % of Ampere Rating Ampere Rating Opening Time 332 100% 1 – 30 4 hours, Minimum 250% 1 – 10 .2 second, Maximum 322/332 12 – 30 1 sec.ond, Maximum. Electrical Characteristic Specifications by Item Amp Code Ampere Rating (A) Voltage Rating (V) 001. 1 1.25 002. Agency Approvals Nominal Cold Resistance (Ohms) Nominal Melting 2 I t (A2 sec) PS E 250 0.0927 0.146 x 1.25 250 0.0804 0.204 x x x 2 250 0.0416 0.790 x x x Interrupting Rating x x 003. 3 250 0.0245 2.760 x x x 004. 4 250 0.0179 3.360 x x x 005. 5 250 006. 6 250 007. 7 250 100A@250Vac 100A@125Vdc 200A@72Vdc 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 012. 12 65 0.0057 38.0 015. 15 65 020. 20 65 025.* 25 030.* 30 x x x x 0.0043 59.0 x x 0.0034 192.0 x x 65 0.0029 325.0 x x 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. © 2015 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: 07/17/15 Axial Lead & Cartridge Fuses 3AB > Very Fast-Acting > 322/332 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 Re-rating Curve 1000 TIME IN SECONDS 100 10 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 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 MIL-STD-202, Method 211, Test Condition A Thermal Shock MIL-STD-202, Method 107, Test Condition B: (5 cycles -65°C to +125°C) Solderability MIL-STD-202 Method 208 Vibration MIL-STD-202, Method 201 Product Marking Cap1: Brand logo, current and voltage ratings Cap2: Series and agency approval marks Humidity MIL-STD-202, Method 103, Test Condition A: High RH (95%) and Elevated temperature (40°C) for 240 hours Salt Spray MIL- STD-202, Method 101, Test Condition B © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/17/15 Axial Lead & Cartridge Fuses 3AB > Very Fast-Acting > 322/332 Series Part Numbering System Dimensions Measurements displayed in millimeters (inches) 0322 xxxx M X P 322 000P / 332 000P Series (cartridge) Series Amp Code Refer to Amp Code column of Electrical Characteristics Table 6.35±0.3 (.25") Quantity Code 31.75±1.12 (1.25") M = 1000 Packaging Code X = Filler Lead-free Packaging Packaging Option 322 Series Bulk Bulk 332 Series Bulk Bulk 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 Additional Information Datasheet 322 Series Resources 322 Series Samples 322 Series Datasheet 332 Series Resources 332 Series Samples 332 Series © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/17/15