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| Surface Mount Fuses Ceramic Fuse > 469 Series 469 Series - 1206 Slo-Blo(R) Fuse Description The 469 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperature up to 150C. The general design ensures excellent temperature stability and performance reliability. The high It values which are typical in the Littelfuse Ceramic fuse family, ensure high inrush current withstand capability. Agency Approvals AGENCY AGENCY FILE NUMBER E10480 LR29862 (Pending) AMPERE RANGE 1A - 8A 1A - 8A Features from -55C to +150C compliant and Halogenfree Applications and lead-free reflow / wave soldering Electrical Characteristics for Series % of Ampere Rating 100% 200% 300% 800% Ampere Rating 1A - 8A 1A - 8A 1A - 8A 1A - 8A Opening Time at 25C 4 hours, Minimum 1 sec., Min.; 120 secs., Max. 0.1 sec., Min.; 3 secs., Max. 0.002 sec., Min.; 0.05 sec., Max. Electrical Specifications by Item Ampere Amp Rating Code (A) 1 1.25 1.5 2 2.5 3 3.5 4 5 6 7 8 001. 1.25 01.5 002. 02.5 003. 03.5 004. 005. 006. 007 . 008. Max. Voltage Rating (V) 63 63 63 63 32 32 32 32 32 24 24 24 Nominal Nominal Voltage Nominal Power Agency Approvals Nominal Drop At Rated Dissipation At Interrupting Rating Resistance Melting I2t (A2Sec.)3 Current (V)4 Rated Current (W) (Ohms)2 50 A @ 63 V DC pending pending x x x x x x x x x x pending pending pending pending pending pending pending pending pending pending pending pending 50 A @ 32 V DC 60 A @ 32 V DC 60 A @ 24 V DC 0.052 0.035 0.028 0.021 0.017 3.560 5.620 9.410 14.400 23.720 0.236 0.216 0.274 0.216 0.233 0.944 1.080 1.640 1.510 1.860 www..com 1. AC Interrupting Rating tested at rated voltage with unity power factor. DC Interrupting Rating tested at rated voltage with time constant < 0.8 msec. Devices designed to carry rated current for 4 hours minimum. It is recommended that devices be operated continuously at no more than 80% rated current. See "Temperature Rerating Curve"for additional rerating information. Devices designed to be mounted with marking code facing up. (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information. Revised: January 27, 2010 469 Series 469 Series Surface Mount Fuses Introduction to Circuit Protection Transientology Ceramic Fuse > 469 Series Temperature Rerating Curve Average Time Current Curves 100 4A 5A 6A 7A 8A 140 PERCENT OF RATING 120 10 100 TIME IN SECONDS 80 1 60 40 -65 -45 -25 -5 15 35 55 75 95 115 135 155 TEMPERATURE (C) 0.1 1. Rerating depicted in this curve is in addition to the standard rerating of 20% for continuous operation. 0.01 I = (0.80)(0.85)IRAT = (0.68)IRAT 0.001 1 10 100 1000 CURRENT IN AMPERES Soldering Parameters Reflow Condition - Temperature Min (Ts(min)) Pre Heat - Temperature Max (Ts(max)) - Time (Min to Max) (ts) Average Ramp-up Rate (Liquidus Temp (TL) to peak) TS(max) to TL - Ramp-up Rate Reflow - Temperature (TL) (Liquidus) - Temperature (tL) 150C 60 - 180 seconds 3C/second max. 5C/second max. 217C 60 - 150 seconds 260+0/-5 C 10 - 30 seconds 6C/second max. 8 minutes max. 260C TP Ramp-up tP Critical Zone TL to TP Temperature 200C TL TS(max) Preheat tL Ramp-down TS(min) tS 25 time to peak temperature (t 25C to peak) Time Peak Temperature (TP) Time within 5C of actual peak Temperature (tp) Ramp-down Rate Time 25C to peak Temperature (TP) www..com Do not exceed Wave Soldering 260C, 10 seconds max. 469 Series (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information. Surface Mount Fuses Ceramic Fuse > 469 Series Product Characteristics Body: Advanced Ceramic Terminations: Element Cover Coating: Moisture Resistance Thermal Shock Mechanical Shock Vibration Vibration, High Frequency Dissolution of Metallization Terminal Strength Condition A MIL -STD-202, Method 201A MIL -STD-202, Method 204D, Condition D Condition D Materials Moisture Sensitivity Level Solderability Humidity Test ESD Immunity Resistance to Solder Heat Dimensions 1.000 0.200 [0.039 0.008 3.27 + 0.12/-0.25 [0.129 + 0.005/-0.010] Part Marking System Amp Code 001. 1.25 01.5 002. 02.5 003. 03.5 004. 0.900 0.150 [0.035 0.006] Marking Code H J K N O P R S T U W X 1.63 + 0.1/-0.2 [0.064 + 0.004/-0.008] X 005. 006. 007 . 008. Part Numbering System 0.520 0.200 [0.020 0.008] 0469 008. W R 1.000 [0.039] 1.500 [0.059] SERIES PACKING CODE 1.800 [0.071] AMP CODE QUANTITY CODE W = 3000 pcs 3.500 [0.138] Packaging www..com Packaging Option 8mm Tape and Reel Packaging Specification Quantity 3000 Quantity & Packaging Code WR (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information. 469 Series 469 Series Introduction to Circuit Protection Transientology www..com (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information. |
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