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SMT Power Inductors – SD54 Series Document 427-1 Document 427-1 Revised 12/30/14 Part Inductance2 DCR (mOhm) SRF typ3 Isat (A)4 Irms (A)5 number 1 (µH) nom max (MHz) 10% drop 20% drop 30% drop 20°C rise 40°C rise 1. When ordering, please specify packaging code: SD54-224KLC Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (400 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (1500 parts per full reel). 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using an Agilent/HP 4284A impedance analyzer or equivalent. 3. SRF measured using Agilent/HP 8753D network analyzer and Coilcraft SMD -D test fixture. 4. DC current at which the inductance drops the specified amount from its value without current. 5. Current that causes the specified rise from 25°C ambient. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Core material Ferrite Terminations RoHS compliant tin-silver over tin over nickel over silver. Weight 0.35 – 0.43 g Ambient temperature –40°C to +85°C with Irms current, +85°C to +125°C with derated current Storage temperature Component: –40°C to +85°C. Tape and reel packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 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 400/7″ reel; 1500/13″ reel; Plastic tape: 12 mm wide, 0.4 mm thick, 8 mm pocket spacing, 4.7 mm pocket depth PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf
- Rugged, cost-effective power inductors
- Excellent current handling; low DCR
- Values greater than 47 µH are 10% tolerance 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (3500 parts per full reel).
0.224 ±0.012 5,69 ±0,30 0.197 5,0 max 0.210 ±0.012 5.33 ±0,30 0.090 2,29 0.055 1,40 0.100 2,54 0.125 3,18 0.105 2,67 0.155 3,94 Recommended Land Pattern XXX Dimensions are in inches mm SMT Power Inductors – SD54 Series Typical L vs Current 100 1000 0.01 0.1 101 Current (A) Inductance (µH) 10 µH 22 µH 100 µH 220 µH 100 1000 0.01 0.1 101 Frequency (MHz) Inductance (µH) 10 µH 22 µH 100 µH 220 µH Irms Derating Document 427-2 Revised 12/30/14 Typical L vs Frequency