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| Surface Mount Fuses Thin-Film Surface Mount RoHS Pb High Current 1206 Very Fast-Acting Fuse 429 Series (R) (R) * RoHS compliant and Lead-Free 7A device available-add `L' suffix to catalog number * For new designs up to 5A please consult the 433 or 466 Series ELECTRICAL CHARACTERISTICS: % of Ampere Rating 100% 200% 300% Opening Time at 25C 4 hours, Minimum 5 seconds, Maximum 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: 7A 35 amperes at rated voltage, VAC/VDC RECOMMENDED PAD LAYOUTS 3.18 (.125") 1.52 (.060") 1.14 (.045") 1.12 (.044") REF. 1.52 (.060") 2.49 (.098") REF. ENVIRONMENTAL SPECIFICATIONS: Operating Temperature: - 55C to 90C. Consult temperature rerating chart on page 4. For operation above 90C contact Littelfuse. Vibration: Withstands 10- 55 Hz per MIL-STD-202F, Method 201A and 10-2000 Hz at 20 G's per MIL-STD-202F, Method 204D, Condition D. Insulation Resistance (After Opening): Greater than 10 KOhm. Resistance to Soldering Heat: Withstands 60 seconds above 200C up to 260C, maximum. Thermal Shock: Withstands 5 cycles of - 55 to 125C. 3.81 (.150") 2.03 (.080") REFLOW SOLDER 1.14 (.045") .635 (.025") PHYSICAL SPECIFICATIONS: Materials: Body: Epoxy Substrate Terminations: Standard Device: Copper/Nickel/Tin-Lead (95/5) RoHs Compliant Device: 100% Copper/Nickel/Tin Cover Coat: Conformal Coating PATENTED Average Time Current Curves 7A 100 10 SURFACE MOUNT FUSES Soldering Parameters: Reflow Solder -- 260C, 30 seconds maximum PACKAGING SPECIFICATIONS: 8mm Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 3,000 per reel, add packaging suffix, WRM. Options: For RoHS Compliant and lead-free devices add the letter `L' to end of packaging suffix. Example: 0429007.WRML (RoHS Compliant 7A, 3,000 per reel). ORDERING INFORMATION: 10 For Low-Current Designs Use 433 or 466 Series. Catalog Number 429.125 429.200 429.250 429.375 429.500 429.750 429 001 429 007 429 007L 1 TIME IN SECONDS Ampere Rating 0.125 0.200 0.250 0.375 0.500 0.75 1.00 7.0 7.0 Marking Code FB FC FD FE FF FG FH FU 7 2 Nominal Voltage Rating 125 125 125 125 63 63 63 24 24 Nominal Resistance Cold Ohms1 2.30000 0.93800 0.62500 0.37500 0.24050 0.13700 0.09950 0.00925 0.00925 1 Melting I 2t (A2 Sec.)2 0.00020 0.00055 0.00100 0.00280 0.0060 0.0170 0.035 3.60 3.60 0.1 0.01 Measured at 10% of rated current, 25C. Measured at rated voltage. 0.001 0.1 1 10 CURRENT IN AMPERES 100 w w w. l i t t e l f u s e . c o m 367 |
Price & Availability of 429
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