435 LITTELFUSE | Alldatasheet

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Technical content

www.littelfuse.com Thin-Film Surface Mount SlimLine™ Lead-Free 0402 Very Fast-Acting Fuse 435 Series

  • RoHS compliant and Lead-Free
  • The SlimLine 0402 fuse is the world’s smallest fuse available.
  • Ideal for space sensitive applications including disc drives and handheld devices including mobile phones, cameras and personal communication devices.
  • The low profile flat surface and full-faced termination are designed for superior performance in surface mount assembly processes. ELECTRICAL CHARACTERISTICS: % of Ampere Opening Rating Time at 25 °C 100% 4 hours, Minimum 200% 5 seconds, Maximum 300% 0.2 seconds, Maximum AGENCY APPROVALS:Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. INTERRUPTING RATINGS: 35A @ 32 VDC ENVIRONMENTAL SPECIFICATIONS: Operating Temperature:–55°C to 90°C. Consult temperature rerating chart on page 4. For operation above 90°C contact Littelfuse. Vibration: Per MIL-STD-202F . Insulation Resistance (After Opening): Greater than 10,000 ohms. Resistance To Soldering Heat:Withstands 60 seconds above 200°C up to 260°C, maximum. Thermal Shock: Withstands 5 cycles of –55°C to 125°C. PHYSICAL SPECIFICATIONS: Materials: Body: Epoxy Substrate Terminations: 100% Copper/Nickel/Tin Cover Coat: Conformal Coating Soldering Parameters(see page 3 for typical soldering profile): Reflow Solder— 260°C, 30 seconds maximum PACKAGING SPECIFICATIONS:8mm Paper Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 10,000 per reel, add packaging suffix, KR. PATENTED ORDERING INFORMATION: Nominal Nominal Catalog Ampere Voltage Resistance Melting I 2t Number Rating Rating Cold Ohm 1 (A2 Sec.) 0435.250 .25 32 0.220 0.0025 0435.375 .375 32 0.185 0.0035 0435.500 .5 32 0.150 0.0053 0435.750 .75 32 0.105 0.012 0435 001. 1 32 0.072 0.020 0435 1.25 1.25 32 0.060 0.035 0435 01.5 1.5 32 0.047 0.056 0435 1.75 1.75 32 0.038 0.075 0435 002. 2 32 0.030 0.100 1 Measured at 10% of rated current, 25°C. 2 Measured at rated voltage. TIME IN SECONDS CURRENT IN AMPERES 0.01 0.1 0.1 100 10 100 0.001 1.5A 1.25A .5A .25A .375A .75A 1.75A .558 (.022") REFLOW SOLDER 1.04 (.041") .30 (.012") .18 (.007") Cu Sn .51 (.020") .381 (.015") .584 (.023") Marking Codes: .250 .375 .750 1.0 1.25 1.5 1.75 2.0 Reference Dimensions: Average Time Current Curves ®®PbRoHS 10SURFACE MOUNT FUSES