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| Document 329 -1 SMT Power Inductors - MSS4020 * 4 x 4 mm footprint; 2 mm high shielded inductors * Low DCR and excellent current handling Designer's Kit C381 contains 3 each of all values. Core material Ferrite Core and winding loss See www.coilcraft.com/coreloss Terminations RoHS compliant matte tin over nickel over phos bronze. Other terminations available at additional cost. Weight: 81.0 - 87.8 mg Ambient temperature -40C to +85C with Irms current, +85C to +125C with derated current Storage temperature Component: -40C to +125C. Packaging: -40C 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) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 2000/13 reel; Plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 2.2 mm pocket depth PCB washing Only pure water or alcohol recommended Part number1 MSS4020-332ML_ MSS4020-472ML_ MSS4020-562ML_ MSS4020-682ML_ MSS4020-822ML_ MSS4020-103ML_ MSS4020-123ML_ MSS4020-153ML_ MSS4020-183ML_ MSS4020-223ML_ MSS4020-273ML_ MSS4020-333ML_ MSS4020-393ML_ MSS4020-473ML_ MSS4020-563ML_ MSS4020-683ML_ MSS4020-823ML_ MSS4020-104ML_ Inductance2 20% (H) 3.3 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 DCR max (Ohms) 0.085 0.115 0.130 0.175 0.190 0.210 0.280 0.330 0.360 0.480 0.560 0.620 0.820 0.930 1.200 1.330 1.500 2.100 SRF typ3 (MHz) 109.0 93.0 85.0 75.0 70.0 63.0 55.0 50.0 42.0 38.0 35.0 28.0 30.0 28.0 22.0 18.0 17.0 15.0 10% drop 0.94 0.73 0.70 0.65 0.61 0.50 0.47 0.45 0.40 0.39 0.30 0.29 0.28 0.25 0.23 0.20 0.18 0.15 2 Isat (A)4 20% drop 1.10 0.87 0.82 0.76 0.71 0.60 0.55 0.53 0.47 0.45 0.36 0.34 0.32 0.28 0.27 0.24 0.21 0.18 30% drop 1.20 0.95 0.89 0.83 0.77 0.67 0.60 0.58 0.52 0.49 0.39 0.38 0.36 0.31 0.29 0.26 0.23 0.20 Irms (A)5 20C rise 40C rise 1.25 1.60 1.10 1.50 1.05 1.40 0.96 1.30 0.89 1.20 0.86 1.15 0.75 1.00 0.71 0.95 0.67 0.85 0.60 0.80 0.54 0.71 0.50 0.67 0.44 0.58 0.42 0.56 0.35 0.47 0.32 0.43 0.30 0.40 0.27 0.36 1. When ordering, please specify termination and packaging codes: MSS4020-104MLD 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: D = 13 machine-ready reel. EIA-481 embossed plastic tape (2000 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 D instead. 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft SMD-A fixture in an Agilent/HP 4263B LCR meter or equivalent. 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 25C ambient. 6. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering. Specifications subject to change without notice. Please check our website for latest information. Document 329-1 Revised 10/20/08 (c) Coilcraft, Inc. 2009 Document 329-2 SMT Power Inductors - MSS4020 Typical L vs Current 1000 Typical L vs Frequency 1000 100 Inductance (H) Inductance (H) 100 H 100 22 H 10 3.3 H 100 H 22 H 10 3.3 H 1 0.1 1 10 1 0.01 0.1 1 10 Current (A) Frequency (MHz) Current Derating 120 110 100 Percent of rated Irms 90 80 70 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 120 140 Ambient temperature (C) 25C 0.059 1,5 0.031 typ 0,8 0.055 1,4 0.150 3,8 0.158 0.012 4,0 0,3 0.158 0.012 4,0 0,3 inches mm 0.079 max 2,0 0.173 typ 4,4 Recommended Land Pattern Dimensions are in Specifications subject to change without notice. Please check our website for latest information. Document 329-2 Revised 10/20/08 (c) Coilcraft, Inc. 2009 |
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