Document 879-1 Shielded Power Inductors – MSS7348 • • • • Very low DCR – as low as 0.015 Ohms Current handling as high as 5.7 A Magnetically shielded Wide range of inductance values available Core material Ferrite Terminations RoHS compliant matte tin over nickel over phos bronze. Other terminations available at additional cost. Weight 0.58 – 0.72 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 250/7″ reel; 1000/13″ reel; Plastic tape: 16 mm wide, 0.4 mm thick, 12 mm pocket spacing, 4.9 mm pocket depth PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf. Part number1 MSS7348-332ME_ MSS7348-472ME_ MSS7348-682ME_ MSS7348-103ME_ MSS7348-153ME_ MSS7348-223ME_ MSS7348-333ME_ MSS7348-473ME_ MSS7348-683ME_ MSS7348-104ME_ MSS7348-154ME_ MSS7348-224ME_ MSS7348-334ME_ MSS7348-474ME_ MSS7348-684ME_ MSS7348-105ME_ Inductance2 ±20% (µH) 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1000 DCR (Ohms) typ max 0.015 0.018 0.024 0.029 0.029 0.035 0.038 0.045 0.047 0.056 0.067 0.080 0.106 0.120 0.132 0.150 0.196 0.225 0.297 0.320 0.461 0.520 0.586 0.624 0.886 0.980 1.28 1.38 1.64 1.82 2.50 2.73 SRF typ3 (MHz) 131 87 43 27 23 18 13 12 8.1 7.0 5.6 4.8 3.7 3.1 2.6 2.2 1. When ordering, please specify termination and packaging codes: MSS7348-105MEC Termination: L = RoHS compliant matte tin over nickel over phos bronze Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37). Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (250 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 (1000 parts per full reel). Isat (A)4 10% drop 20% drop 30% drop 4.3 5.2 5.7 3.2 3.8 4.2 2.8 3.3 3.6 2.2 2.6 2.9 1.7 2.1 2.4 1.5 1.8 2.0 1.2 1.6 1.7 1.0 1.2 1.4 0.83 1.0 1.1 0.71 0.84 0.92 0.58 0.68 0.75 0.50 0.58 0.64 0.39 0.46 0.51 0.35 0.41 0.45 0.28 0.32 0.36 0.22 0.27 0.29 Irms (A)5 20°C rise 40°C rise 3.2 4.4 2.5 3.4 2.3 3.1 2.2 3.0 2.0 2.7 1.7 2.3 1.3 1.7 1.2 1.6 0.94 1.2 0.77 1.0 0.63 0.84 0.55 0.74 0.44 0.60 0.37 0.50 0.32 0.42 0.26 0.35 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft SMD‑A fixture in an Agilent/HP 4263B LCR meter. 3. SRF measured using an Agilent/HP 8753D network analyzer and a 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 temperature rise from 25°C ambient. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Document 879-1 Revised 06/12/13 Document 879-2 Shielded Power Inductors – MSS7348 Typical L vs Frequency Typical L vs Current 10000 10000 1000 µH 1000 µH 1000 330 µH Inductance (µH) Inductance (µH) 1000 100 µH 100 33 µH 10 µH 10 330 µH 100 µH 100 33 µH 10 µH 10 3.3 µH 3.3 µH 1 0.1 1 10 100 1 0.01 1 0.1 Frequency (MHz) 10 Current (A) XXX Irms Derating 0.276 ±0.012 7,0 ±0,3 Dash number 0.276 ±0.012 7,0 ±0,3 0.189 max 4,8 0.049 1,25 0.177 4,5 Recommended Land Pattern 0.079 2,0 0.087 2,2 0.063 1,6 Dimensions are in 0.173 4,4 inches mm Document 879-2 Revised 05/21/13