Axial Lead & Cartridge Fuses 5×20 mm > Time-Lag > 235 Series 235 Series, 5×20 mm, Fast-Acting Fuse RoHS Pb PS E Description 5×20mm fast-acting glass body cartridge fuse designed to UL specification. Features • Designed to UL/CSA/ • RoHS compliant and ANCE 248 Standard lead-free • Available in cartridge and axial lead format Agency Approvals Applications Used as supplementary protection in appliance or Agency Agency File Number Ampere Range utilization equipment to provide individual protection for Cartridge: components or internal circuits. NBK030609-JP1021A 1A - 3.5A NBK190609-JP1021A 4A -5A NBK030609-JP1021B 6A -7A PES Leaded: Electrical Characteristics for Series NBK030609-JP1021C 1A - 3.5A NBK190609-JP1021B 4A -5A % of Ampere Rating Ampere Rating Opening Time NBK030609-JP1021D 6A -7A SU05001 – 3007 0.100A – 0.400A 100% 4 hours, Minimum SU05001 – 2002 0.500A – 3A 135% 0.100A – 7A 1 hour, Maximum SU05001 – 2003 4A – 6A 200% 5 seconds, Maximum E10480 0.100A - 7A 29862 0.100A - 7A N/A 0.100A – 7A Additional Information Datasheet Resources Samples Accessories For recommended fuse accessories for this product series, see ‘Recommended Accessories’ section. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

Axial Lead & Cartridge Fuses 5×20 mm > Time-Lag > 235 Series Electrical Characteristic Specifications by Item Voltage Nominal Cold Agency Approvals Amp Rating Interrupting Nominal Melting Amp Code Rating Resistance (A) Rating I2t (A2 sec) PS (V) (Ohms) E .100 0.1 250 8.4000 0.00127 x x x - x .125 0.125 250 5.7500 0.00273 x x x - x .200 0.2 250 3.1500 0.00867 x x x - x .250 0.25 250 2.2500 0.01660 x x x - x .300 0.3 250 35A @ 250VAC 1.6000 0.03215 x x x - x .400 0.4 250 10kA @ 125VAC 1.075 0.05845 x x x - x .500 0.5 250 0.4265 0.06915 x x x - x .600 0.6 250 0.3195 0.11200 x x x - x .700 0.7 250 0.2625 0.15600 x x x - x .800 0.8 250 0.1920 0.25300 x x x - x 001. 1 250 0.1530 0.46750 x x x x x 1.25 1.25 250 0.1055 1.08500 x x x x x 01.6 1.6 250 0.0758 2.02500 x x x x x 100A @ 250VAC 002. 2 250 0.0603 2.64500 x x x x x 10kA @ 125VAC 02.5 2.5 250 0.0437 5.44500 x x x x x 003. 3 250 0.0347 8.39500 x x x x x 03.5 3.5 250 0.0331 17.14000 x x - x - 004. 4 125 0.0246 17.14000 x x x x x 005. 5 125 0.0184 27.41000 x x x x x 10kA @ 125VAC 006. 6 125 0.0148 47.32500 x x x x x 007. 7 125 0.0157 64.81500 x x - x - Temperature Re-rating Curve Average Time Current Curves 0.100A0.125A 0.200A0.250A0.300A0.400A0.500A0.600A0.700A0.800A1A1.25A1.6A2A2.5A3A4A5A6A 10000 1000 100 S D N O C E S 10 N E I M TI 1 0.1 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 0.1 1 10 100 1000 CURRENT IN AMPERES Please contact Littelfuse for details on T-C curve for 7A rating © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

Axial Lead & Cartridge Fuses 5×20 mm > Time-Lag > 235 Series Soldering Parameters - Wave Soldering Recommended Process Parameters: 300 C) - Measured on bottom side of board 11111222228024680246800000000000 ( SSPD roo eeTTPllpddeehreeemmeenrrhad pptPDes:eeo aworrttaanW eTTtt Fuuelialml rrmuTveexiee mp MMA: ePceriatan:aixvrtiamiaumtmrioueunm:em Tte:e:mrperature) (11622T0506-y5p00-01 i°°°sc8LCCCae0elc IM aonsddneau-dcxFsosirtmrneydeu Rs mReceocmommemndeantiodna)tion Temperature (° 24600000 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 RNeoSHctoeeola:dm tTeimnhr geIer soTneindm d eTeeed:vm i5Hcp esaesenr caadotr-uneSrd neoso: l mt3d 5reae0rxc° .PoCma +rm/a-em 5ne°dCtee dr sfo:r IR or Convection Reflow process. Time (Seconds) Preheat Time Cooling Time Dwell Time Product Characteristics Body: Glass Operating Temperature –55ºC to +125ºC Materials Cap: Nickel–plated brass MIL-STD-202, Method 107, Test Condition B: (5 Leads: Tin–plated Copper Thermal Shock cycles –65OC + 125OC) Terminal Strength MIL-STD-202, Method 211. Test Condition A Vibration MIL-STD-202, Method 201 Solderability MIL-STD-202 Method 208 MIL-STD-202, Method 103, Test Condition A Cap 1: Brand logo, current and voltage rating Humidity high RH (95%) and elevated temperature (40O Product Marking Cap 2: Series and agency approval markings C) for 240 hours Available in Bulk (M=1000 pcs/pkg) or on Tape/Reel Salt Spray MIL-STD-202, Method 101, Test Condition B Packaging (MRET1=1000 pcs/reel) © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

Axial Lead & Cartridge Fuses 5×20 mm > Time-Lag > 235 Series Dimensions Part Numbering System 20+0.5 0235 xxxx M X E P 5.2+0.1 0235000P -0.2 Series 5.1+0.6 5.1+0.6 Amp Code Refer to Amp Code column of Electrical Characteristics Table 5.6±0.4 Quantity Code 40±1.0 21.5±1.0 0235.100 XEP M = 1000 to Packaging Code 0235.400 XEP 0.65±0.05 X = Filler Option Code E = Axial Leaded Lead-free 5.5±0.3 40±1.0 21.5±1.0 0235.500 XEP to 0235007.XEP See Notes* All dimensions in mm Notes: * 0.1A-6A have 0.65±0.05 diameter lead. 7A have 0.8±0.05 diameter lead. Packaging Quantity & Packaging Option Packaging Specification Quantity Taping Width Packaging Code 235 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”) Recommended Accessories Accessory Max Application Max Application Series Description Type Voltage Amperage 345_ISF Panel Mount Shock-Safe Fuseholder 20 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. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20