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| Document 690-1 Power Inductor - GA3382-BL For NSC LM25037 PWM Controller * Designed for National Semiconductor LM25037 Dual Mode PWM Controller. Shown as L3 on Application Note AN-1861. * 500 Vrms primary to bias and primary to core isolation * Bias winding provides 10 Vdc to the circuit Core material Ferrite Terminations RoHS compliant tin-silver over copper. Other terminations available at additional cost. Weight 9.5 g Ambient temperature -40C to +85C with Irms current, +85C to +125C with derated current Storage temperature Component: -40C to +125C. Packaging: -55C 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 175/13 reel Plastic tape: 44 mm wide, 0.4 mm thick, 32 mm pocket spacing, 11.5 mm pocket depth PCB washing Only pure water or alcohol recommended Part number1 GA3382-BL_ Inductance2 10% (H) 4.0 DCR max (Ohm)3 pri bias 0.0095 0.36 SRF typ (MHz) 30 Isat (A)4 10% drop 20% drop 30% drop 16.0 17.0 18.0 1 2 3 4 Irms (A)5 20C rise 40C rise 6.5 8.5 1. When ordering, please specify termination and packaging codes: GA3382-BLD Termination: L = RoHS compliant tin-silver over copper. Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37). Packaging: D = 13 machine-ready reel. EIA-481 embossed plastic tape. B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead. 2. Inductance measured at 250 kHz, 0.4 Vrms. 3. DCR for the primary is with the windings connected on parallel. 4. DC current at which inductance drops the specified amount from its value without current. 5. Current that causes the specified temperature rise from 25C ambient. 6. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering. 7 8 9 10 5 Bias 6 Primary windings to be connected in parallel on the PC board Specifications subject to change without notice. Please check our website for latest information. Document 690-1 Revised 09/05/08 (c) Coilcraft, Inc. 2008 Document 690-2 Power Inductor - GA3382-BL Inductance vs Current 100 Inductance vs Frequency 100 Inductance (H) 10 Inductance (H) 10 100 10 1 0 0.1 0.1 1 0.1 0.1 1 10 100 Current (A) Frequency (MHz) Irms Derating 120 110 100 1 10 GA3382-AL CCI xxxx 0.910 max 23,11 Percent of rated Irms 90 80 70 60 50 40 5 6 0.395 max 20,03 25C 30 20 10 0 -40 -20 0 20 0.791 20,10 1.020 max 25,90 40 60 80 100 120 140 5 6 0.004 / 0,10 0.148 3,76 Ambient temperature (C) 0.039 1,00 1 10 1.040 26,42 1 0.148 3,76 Recommended Land Pattern 0.060 1,52 inches Dimensions are in mm 0.090 2,29 Specifications subject to change without notice. Please check our website for latest information. Document 690-2 Revised 09/05/08 (c) Coilcraft, Inc. 2008 |
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