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Shielded Power Inductors – MSS5121 Document 495-1 Document 495-1 Revised 09/02/15 DCR SRF Isat (A)4 I rms (A)5 Inductance2 max typ3 10% 20% 30% 20°C 40°C Part number1 ±20% (µH) (Ohms) (MHz) drop drop drop rise rise Designer’s Kit C411 contains 3 of each value Core material Ferrite Core and winding loss See www.coilcraft.com/coreloss Terminations RoHS compliant matte tin over nickel over phos bronze (current production) or gold over nickel over phos bronze (prior production). Other terminations available at additional cost. Weight 141 – 147 mg Ambient temperature –40°C to +85°C with (40°C rise) Irms current. Maximum part temperature +125°C (ambient + temp rise). Derating. Storage temperature Component: –40°C to +125°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 600/7″ reel, 2500/13″ reel; Plastic tape: 12 mm wide, 0.35 mm thick, 8 mm pocket spacing, 3.25 mm pocket depth PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf. 1. Please specify termination and packaging codes: MSS5121-394MLC Termination: L = RoHS compliant matte tin over nickel over phos bronze or gold 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 (600 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 (2500 parts per full reel). 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using Coilcraft SMD -A fixture in an Agilent/HP 4284A impedance analyzer. 3. SRF measured using an Agilent/HP 8753D network analyzer and a Coilcraft SMD -D test fixture. 4. DC current at 25°C that causes the specified induc- tance drop from its value without current. Click for temperature derating information. 5. Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Click for temperature derating information. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
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Shielded Power Inductors – MSS5121 Series Document 495-2 Typical L vs Current Typical L vs Frequency 0.1 100 1000 0.01 0.1 101 Current (A) Inductance (µH) 390 µH 47 µH 2.2 µH 6.8 µH 120 µH 18 µH 0.1 100 1000 0.1 1 10010 Frequency (MHz) Inductance (µH) 390 µH 47 µH 2.2 µH 6.8 µH 120 µH 18 µH Dimensions are in inches mm 123 0.083 2,2 0.063 1,6 max 0.181 4,6 0.181 4,6 0.200 5,1 0.200 5,1 *Dimensions are of the case not including the termination. For maximum overall dimensions including the termination, add 0.035 in / 0,9 mm. Recommended Land Pattern 0.069 1,74 0.200 5,08 0.200 5,08 0.159 4,05 Dash number Document 495-2 Revised 09/02/15