поискавой системы для электроныых деталей |
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0468.500NRHF датащи(PDF) 2 Page - Littelfuse |
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0468.500NRHF датащи(HTML) 2 Page - Littelfuse |
2 / 3 page Introduction to Circuit Protection Introduction to Circuit Protection Transientology 38 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Surface Mount Fuses 468 Series Thin Film > 1206 Size > Slo-Blo® > 468 Series Please refer to www.littelfuse.com/series/468.html for current information. Average Time Current Curves 0.001 0.01 0.1 1 10 100 0 0 1 0 1 1 0 Current in Amperes Temperature Rerating Curve reflow condition Pb–Freeassembly pre Heat - Temperature min (T s(min)) 150°C - Temperature max (T s(max)) 200°C - Time (min to max) (t s) 60–180secs Average ramp up rate (liquidus Temp (T l) to peak 5°C/secondmax T S(max) to Tl - ramp-up rate 5°C/secondmax reflow - Temperature (T l) (liquidus) 217°C - Temperature (t l) 60–150seconds peak Temperature (T p) 250+0/-5°C Time within 5°c of actual peak Temperature (t p) 20–40seconds ramp-down rate 5°C/secondmax Time 25°c to peak Temperature (T p) 8minutesMax. Do not exceed 260°C Soldering Parameters Wave Soldering 260°C,10secondsmax. Note: 1.Deratingdepictedinthiscurveisinadditiontothestandardderatingof25%for continuousoperation. Example: Forcontinuousoperationat70degreescelsius,thefuseshouldbederatedasfollows: I=(0.75)(0.80)I RAT=(0.60)IRAT 2.Thetemperaturederatingcurverepresentsthenominalconditions.Forquestions abouttemperaturederatingcurve,pleaseconsultLittelfusetechnicalsupport forassistance. Time TP TL TS(max) TS(min) 25 tP tL tS time to peak temperature (t 25ºC to peak) Ramp-down Ramp-up Preheat Critical Zone TL to TP |
Аналогичный номер детали - 0468.500NRHF |
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Аналогичное описание - 0468.500NRHF |
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