Fuse Mounting Accessories Page 52 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Surface Mount Fuses Thin Film > 0402 Size > Very Fast-Acting > 435 Series Refer to Amp Code column in the Electrical Specifications table. The dot is positioned at the end of the number sequence with whole ratings and within for fractional ratings. Example: 1.5 amp product is 0435 01.5 KRHF (2 amp product shown) Materials Body: Epoxy / Glass Substrate; Parts with 'HF' suffix: Halogen Free Epoxy / Glass Terminations: 100% Tin over Nickel over Copper Device Weight: 0.316mg Terminal Strength MIL-STD-202, Method 211, Test Condition A Insulation Resistance After Opening: Greater than 10,000Ohms Operating Temperature -55C to 90C. Consult temperature re-rating curve chart. For operation above 90C please contact Littelfuse. Thermal Shock Withstands 5 cycles of -55C to 125C Vibration MIL-STD-202, Method 201 Product Characteristics .558 (.022") Reflow solder recommended mounting pad dimensions .991 +/- .051 (.039" +/- .002") Marking code varies with amperage. Refer to Part Marking System chart. Cu .508 +/- .051 (.020" +/- .002") .229 +/- .102 (.009" +/- .004") 0.330 +/- .102 (.013" +/- .004") .381 (.015") 1.55 (.061") .584 (.023") 0.292 +/- .102 (.012" +/- .004") .2159 +/- .0889 (.0085" +/- .0035") Sn A B C D Dimensions Packaging Part Numbering System Part Marking System Packaging Option Packaging Specification Quantity Quantity & Packaging Code 8mm Tape and Reel EIA-481 Rev. D (IEC 60286, part 3) 10000 KR A B C D inch min 0.037 0.018 0.008 0.005 inch max 0.041 0.022 0.016 0.012 mm min 0.94 0.457 0.190 0.127 mm max 1.04 0.559 0.394 0.305 0435 002. K R HF S SERIES HALOGEN FREE ITEM "S" - for .250A only PACKAGING Code R = Tape and Reel QUANTITY Code K = 10,000 Pieces Amp Code Marking Code .250 .375 .500 .750 001. 1.25 01.5 1.75 002. 02.5 003. 03.5 004. 005. X 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.

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