322 LITTELFUSE

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Applications

Agency Agency File Number Ampere Range Series E10480 12A - 30A 322 E10480 1A - 10A 332 PS E NBK080306-JP1021A NBK080306-JP1021B 1-5A 6-10A 332 N/A 1A - 30A 322/332 Electrical Characteristics for Series The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. % of Ampere Rating Ampere Rating Opening Time 100% 1 – 30 4 hours, Minimum 250% 1 – 10 .2 second, Maximum 12 – 30 1 sec.ond, Maximum. RoHS Pb Amp Code Ampere Rating (A) Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) Agency Approvals PS E 0 01. 1 250 100A@250Vac 100A@125Vdc 200A@72Vdc 0.0927 0.146 x x x 1 .25 1 .25 250 0.0804 0.204 x x x 002. 2 250 0.0416 0.790 x 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 0.0128 6.250 x x x 006. 6 250 0.0117 8.208 x x x 0 0 7. 7 250 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 200A@65Vac 1000A@65Vdc 0.0057 38.0 x x 015. 15 65 0.0043 59.0 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 Electrical Characteristic Specifications by Item * 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.

  • In accordance with UL St andard 248-14
  • A vailable in cartridge format only
  • RoHS compliant and L ead-free Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. PS E

Description

Application testing is strongly recommended.

© 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/30/16 Axial Lead & Cartridge Fuses 3AB > Very Fast-Acting > 322/332 Series Average Time Current CurvesT emperature Re-rating Curve 1000 100 0.1 0.01 0.1 11 01 00 1000 1/8A 1/4A 3/8A 1/2A 3/4A 10A 12A 15A 20A 25A 30A TIME IN SECONDS CURRENT IN AMPERES Product CharacteristicsProduct Characteristics Materials Body: Ceramic Cap: Nickel–plated brass T erminal Strength MIL -STD-202, Method 211, Test Condition A Solderability MIL -STD-202 Method 208 Product Marking Cap1: Brand logo, cur rent and voltage ratings Cap2: Series and agency appro val marks Operating Temperature –55ºC to +125ºC Thermal Shock MIL -STD-202, Method 107 , Test Condition B: (5 cycles -65°C to +125°C) Vibration MIL -STD-202, Method 201 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 Note: Rerating depicted in this curve is in addition to the industry practice derating of 25% for continuous operation.

© 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/30/16 Axial Lead & Cartridge Fuses 3AB > Very Fast-Acting > 322/332 Series 322 000P / 332 000P Series (cartridge) 6.35±0.3 (.25") 31.75±1.12 (1.25") Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Reel Size

322 Series

332 Series

0322 MX Pxxxx

X = Filler M = 1000 Refer to Amp Code column of Electrical Characteristics Table Dimensions Measurements displayed in millimeters (inches)

322 Series 332 Series332 Series322 Series 332 Series322 Series

For recommended fuse accessories for this product series, see ‘Recommended Accessories’ section. Recommended Accessories Accessory Type Series Description Max Application Voltage Max Application Amperage Holder

155100 Twist-Lock In-Line Fuseholder 32 20

342 Traditional Panel Mount Fuseholder 250 20

346 Panel Mount Flip-Top Shock-Safe Fuseholder 250 15

345 Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options 250 20

354 Low Profile OMNI-BLOK® Fuse Block

359 High Current Screw Terminal Fuse Block 30

122 High Current Traditional PC Board Fuse Clip 1000 30

101 Rivet/Eyelet Type Fuse Clip 1000 15

Notes: 1 . Do not use in applications above rating. 2. Please refer to fuseholder data sheet for specific re-rating information. 3. Please contact factory for applications greater than the max voltage and amperage shown. Additional Information Datasheet SamplesResources Datasheet SamplesResources 322 & 332 Series