Fuse Mounting Accessories Page 40 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Surface Mount Fuses Thin Film > 1206 Size > Very Fast-Acting > 429 Series Materials Body: Epoxy Substrate Terminations, RoHS Compliant Device (429L): 100% Tin over Nickel over Copper Element Cover Coat: Conformal Coating NOTE: Do not use alcohol-based cleaners or solvents with 429 Series Thin-Film Fuses as it may damage the coating. Operating Temperature - 55 O C to 90 O C. Consult temperature re-rating chart. For operation above 90C contact Littelfuse. Thermal Shock Withstands 5 cycles of - 55 O C to 125 O C Humidity MIL-STD-202, Method 103 Condition D Vibration Withstands 10 - 55 Hz per MIL- STD-202, Method 201 and 10-2000 Hz at 20 g's per MIL-STD-202, Method 204, Condition D. Insulation Resistance (After Opening) Greater than 10,000 ohms Resistance to Soldering Heat MIL-STD-202, Method 210, Condition D Product Characteristics Dimensions REFLOW SOLDER RECOMMENDED PAD LAYOUTS 3.81 (.150") 1.52 (.060") 2.03 (.080") .635 (.025") 1.143+0.0/-0.152 (.045"+0.0/-0.006") 2.4890.254 (0.098"0.010") 1.520.127 (0.060"0.005") 3.1750.127 (0.125"0.005") 1.14 (.045") 1.12 (.044") REF. Part Numbering System Packaging Part Marking System Packaging Option Packaging Specification Quantity Quantity & Packaging Code Tape & Reel - 8mm tape EIA-481 Rev. D (IEC 60286, part 3) 3000 WRM Series Marking Code 429L 7 0429 007. WRM L HF SERIES AMP Code QUANTITY Code L = Lead-Free device and RoHS compliant device Refer to Amp Code Column of Electrical characteristics table WRM = 3000 pieces, Tape and Reel 'HF' SUFFIX HALOGEN FREE ITEM 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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