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  ? coilcraft, inc. 2009 these parts are preproduction products for electrical evaluation only. specification subject to change without notice. smt pfc boost inductor document 657 -1 document 657-1 revised 01/22/09 core material ferrite terminations rohs compliant tin-silver over tin over nickel over phos bronze. other terminations available at additional cost. weight 27 g ambient temperature ?40c to +85c with i rms current, +85c to +125c with derated current storage temperature component: ?40c to +125c. packaging: ?40c to +80c resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited floor life at <30c / 85% relative humidity) mean time between failures (mtbf) 26,315,789 hours packaging 24 parts per tray pcb washing only pure water or alcohol recommended for on semiconductor ncp1606 pfc controller dimensions are in inches mm part inductance 1 dcr max (ohms) srf 2 turns ratio i sat (a) 3 i rms (a) 4 number 10% (h) pri aux (mhz) pri : aux 10% drop 20% drop 30% drop 20c rise 40c rise GA2972-AL 330 0.30 0.35 1.2 8 : 1 4.2 4.5 4.8 1.7 2.3 1. inductance measured at 100 khz, 1.1 vrms, 0 adc using an agilent/ hp 4263b impedance analyzer or equivalent. 2. srf tested on an agilent/hp 4192a. 3. dc current at which the inductance drops the specified amount from its value without current. 4. current that causes the specified temperature rise from 25c ambient. 5. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. 2 1 pri aux 4 5 0.551 14,0 max max max 1.169 29,7 1.160 29,45 1.26 32,0 1.06 26,92 0.197 5,0 0.197 5,0 0.043 1,1 0.083 2,11 0.085 2,16 recommended land pattern 1.024 26,0 1 1 10 5 6 dot indicates pin 1 0.004 / 0,10 ? designed to operate in 100 watt applications. ? referenced as l boost in application note and8282/d. ? auxiliary winding provides zero current detection (zcd) information and can also supply power to the ncp1606. ? 500 vrms winding to winding and winding to core isolation
? coilcraft, inc. 2009 smt pfc boost inductor C GA2972-AL these parts are preproduction products for electrical evaluation only. specification subject to change without notice. document 657 -2 document 657-2 revised 01/22/09 l vs current l vs frequency irms derating 10 100 1000 10000 0.01 0.1 10 1 current (a) inductance (h) 10 100 1000 10000 110 1000 100 frequency (khz) inductance (h) -40 -20 0 20 40 60 80 100 140 120 ambient temperature (c) 120 110 100 90 80 70 60 50 40 30 20 10 0 25c percent of rated rms i


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