Axial Lead & Cartridge Fuses 5×20 mm > Medium-Acting > 233 Series 233 Series, 5×20 mm, Medium-Acting Fuse RoHS Pb PS E Description 5×20mm medium–acting glass body fuse designed to UL specification. Features • Designed to UL/CSA/ • RoHS compliant and ANCE 248-1 and 248-14 lead-free Standards • Available in cartridge and axial lead format Applications Agency Approvals Used as supplementary protection in appliance or Agency Agency File Number Ampere Range utilization equipment to provide individual protection for components or internal circuits. Cartridge: NBK190609-JP1021A 1A – 5A PS NBK030609-JP1021B 6A – 10A E Leaded: Electrical Characteristics for Series NBK190609-JP1021B 1A – 5A NBK030609-JP1021D 6A – 10A % of Ampere Ampere Opening Time Rating Rating N/A 1A – 10A 1A – 3.5A 4 hours, Minimum E10480 1A – 10A 100% 4A – 7A 1 hour, Minimum 8A – 10A 1 hour, Minimum SU05001 - 2010 1A – 6.3A 1A – 3.5A 15 sec., Min; 1500 sec., Max. 1A – 6A 135% 4A – 7A 15 sec., Min; 1500 sec., Max. 29862 8A – 10A 8A – 10A 3 sec., Min; 3600 sec., Max. 1A – 3.5A .60 sec., Min; 3 sec., Max. Additional Information 200% 4A – 7A .60 sec., Min; 3 sec., Max. 8A – 10A 0.4 sec., Min; 2.25 sec., Max. Datasheet Resources Samples Accessories For recommended fuse accessories for this product series, see ‘Recommended Accessories’ section. Electrical Characteristic Specifications by Item Agency Approvals Amp Voltage Interrupting Nominal Cold Nominal Melting Amp Code Rating (A) Rating (V) Rating Resistance (Ohms) I2t (A2 sec) PS E 001. 1 125 0.1750 1.97500 x x x x x 1.25 1.25 125 0.1263 3.39000 x x x x x 01.6 1.6 125 0.0880 6.14000 x x x x x 002. 2 125 0.0684 9.97000 x x x x x 02.5 2.5 125 0.0521 17.04500 x x x x x 003. 3 125 0.0431 26.24000 x x x x x 3.15 3.15 125 0.0380 29.79500 x x x x x 03.5 3.5 125 10 kA @ 125VAC 0.0322 36.27500 x x x x x 004. 4 125 0.0293 51.61000 x x x x x 005. 5 125 0.0217 89.97500 x x x x x 006. 6 125 0.0179 131.45500 x x x x x 06.3 6.3 125 0.0166 151.90500 x x x x x 007. 7 125 0.0137 157.31000 x x x 008. 8 125 0.0084 169.43500 x x x x 010. 10 125 0.0066 274.11500 x x x x © 2019 Littelfuse, Inc. Specifications are subject to change without notice.Application testing is strongly recommended. Revised: 01/29/19

Axial Lead & Cartridge Fuses 5×20 mm > Medium-Acting > 233 Series Temperature Re-rating Curve Average Time Current Curves 1A1.25A1.6A2A2.5A3A3.15A3.5A4A5A6A6.3A7A8A10A 10000 1000 100 S D N O C E S N E I M TI 0.1 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 0.001 1 10 100 1000 CURRENT IN AMPERES Soldering Parameters - Wave Soldering 300 Recommended Process Parameters: C) - Measured on bottom side of board 11111222228024680246800000000000 ( SPD roe eTTPpleedhermmneeedhraspp e WtPoee:anorrat aaF tTvttl Tuuuiexmerr eeAmPec aMMt:pirveaaiantrmixoaiminmte Tuuteuremmemrp::e:rature) (1162T05y06Lp00-0ei1c°°°aa8CCCld 0I n- MdFsuerasectxreoyim nRRdeuecsmcomommemndeatniodn)ation mperature (° 246000 Solder Dwell Time: 2-5 seconds Te 00 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 Recommended Hand-Solder Parameters: Time (Seconds) Solder Iron Temperature: 350°C +/- 5°C Preheat Time Cooling Time Heating Time: 5 seconds max. Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Taping Width 233 Series Bulk N/A 1000 MX N/A Bulk N/A 1000 MXE N/A Reel and Tape EIA 296-E 1000 MRET1 T1=53mm (2.087”) Bulk N/A 1000 MXB N/A © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/29/19

Axial Lead & Cartridge Fuses 5×20 mm > Medium-Acting > 233 Series Product Characteristics Body: Glass Operating Temperature –55ºC to +125ºC Materials Cap: Nickel–plated brass Leads: Tin–plated Copper MIL-STD-202, Method 107, Test Thermal Shock Terminal Strength MIL-STD-202, Method 211, Test Condition A Condition B: (5 cycles –65ºC to +125ºC) Solderability MIL-STD-202 Method 208 Vibration MIL-STD-202, Method 201 Cap 1: Brand logo, current and voltage MIL-STD-202, Method 103, Test rating Humidity Condition A. high RH (95%) and Product Marking Cap 2: Series and agency approval elevated temp (40ºC) for 240 hours markings MIL-STD-202, Method 101, Test Salt Spray Available in Bulk (M=1000 pcs/pkg) or on Condition B Packaging Tape/Reel (MRET1=1000 pcs/reel) Dimensions Part Numbering System 0233 000P 0233xxxxMX P 20+0.5 5.2+0.1 Series -0.2 Amp Code 5.1+0.6 5.1+0.6 Refer to Amp Code column of 0233000XEP Electrical Characteristics Table 5.5±0.3 Quantity Code 40±1.0 21.5±1.0 M = 1000 0.65±0.05* Packaging Code X = Filler All dimensions in mm Notes: * Ratings above 6.3A have 0.8±0.05 diameter lead. Lead-free Recommended Accessories Max Max Accessory Series Description Application Application Type Voltage Amperage 345_ISF Panel Mount Shock-Safe Fuseholder 10 Holder 345 Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options 20 830 PC Mount Shock-Safe Miniature Fuseholder 16 520 Metric OMNI-BLOK® Fuse Block 10 Block 646 PC Mount Miniature Fuse Block 250 6.3 658 Surface Mount Miniature Fuse Block 10 520_W PC Mount Miniature Fuse Clip 6.3 Clip 111 PC Board Mount Fuse Clip 10 445 PC Board Mount Fuse Clip 10 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. Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics. © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/29/19