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| Document 657 -1 SMT PFC Boost Inductor For ON Semiconductor NCP1606 PFC Controller * Designed to operate in 100 Watt applications. * Referenced as LBOOST 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 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 Irms 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) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 24 parts per tray PCB washing Only pure water or alcohol recommended Part number GA2972-AL Inductance1 10% (H) 330 DCR max (Ohms) pri aux 0.30 0.35 SRF2 (MHz) 1.2 Turns ratio pri : aux 8:1 Irms (A)4 Isat (A)3 10% drop 20% drop 30% drop 20C rise 40C rise 4.2 4.5 Dot indicates pin 1 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 Pri 1 0.551max 14,0 1.169 29,7 1.26 max 32,0 1.024 26,0 5 6 0.004 / 0,10 5 Aux 4 0.043 1,1 0.085 2,16 1 1.160 29,45 1.06 max 26,92 1 Recommended Land Pattern 10 0.197 5,0 0.197 5,0 inches Dimensions are in mm 0.083 2,11 These parts are preproduction products for electrical evaluation only. Specification subject to change without notice. Document 657-1 Revised 01/22/09 (c) Coilcraft, Inc. 2009 Document 657 -2 SMT PFC Boost Inductor - GA2972-AL L vs Current 10000 L vs Frequency 10000 Inductance (H) 1000 Inductance (H) 1 10 1000 100 100 10 0.01 0.1 10 1 10 100 1000 Current (A) Frequency (kHz) Irms Derating 120 110 100 Percent of rated Irms 90 80 70 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 120 140 Ambient temperature (C) 25C These parts are preproduction products for electrical evaluation only. Specification subject to change without notice. Document 657-2 Revised 01/22/09 (c) Coilcraft, Inc. 2009 |
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