MSS5121-222ML COILCRAFT | Alldatasheet
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© Coilcraft, Inc. 2009 Specifications subject to change without notice. Please check our website for latest information. SMT Power Inductors – Series MSS5121 Document 495-1 Document 495-1 Revised 10/20/09 DCR SRF Isat (A)4 Irms (A)5 Inductance2 max typ 3 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 Terminations RoHS compliant gold over nickel over phos bronze. Other terminations available at additional cost. Weight 141 – 147 mg Ambient temperature –40°C to +85°C with Irms current, +85°C to +125°C with derated current Storage temperature Component: –40°C to +125°C. 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 Only pure water or alcohol recommended 1. Please specify termination and packaging codes: MSS5121-394MLC Termination: L= RoHS compliant 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=1 3″ 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 which the inductance drops the specified amount from its value without current. 5. Current that causes the specified temperature rise for 25°C ambient. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Low profile shielded power inductors Low DCR, excellent current handling and low cost
© Coilcraft, Inc. 2009 SMT Power Inductors – Series MSS5121 Specifications subject to change without notice. Please check our website for latest information. Document 495-2 Document 495-2 Revised 10/20/09 Recommended Land Pattern 123 0.083 2,2 0.063 1,6 0.069 1,74 max 0.181 4,6 0.181 4,6 0.200 5,08 0.131 3,34 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. Typical L vs Current Typical L vs Frequency 0.1 100 1000 0.01 0.1 10 1 Current (A) Inductance (µH) 390 µH 47 µH 2.2 µH 6.8 µH 120 µH 18 µH 0.1 100 1000 0.1 1 100 10 Frequency (MHz) Inductance (µH) 390 µH 47 µH 2.2 µH 6.8 µH 120 µH 18 µH Current Derating -40 -20 0 20 40 60 80 100 140 120 Ambient temperature (°C) Percent of rated current 120 110 100 Isat Irms 25°C Dimensions are in inches mm