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| Document 289 -1 SMT Power Inductor - SER1590 Series Designed for high current, low voltage power supply applications, the SER1590 Series offers unmatched electrical performance in an extremely robust package. With their heavy flat wire windings, these inductors have exceptionally low DC resistance and offer saturation current ratings up to 50 Amps. Winding to core isolation is 300 Vrms. Part number1 SER1590-301ML_ SER1590-501ML_ SER1590-601ML_ SER1590-681ML_ SER1590-801ML_ SER1590-901ML_ SER1590-102ML_ SER1590-122ML_ SER1590-152ML_ Inductance2 20% (H) 0.30 0.50 0.60 0.68 0.80 0.90 1.0 1.2 1.5 DCR typ3 (mOhms) 0.66 0.87 0.87 0.87 0.87 1.08 0.87 1.08 1.08 DCR max3 (mOhms) 0.72 0.94 0.94 0.94 0.94 1.15 0.94 1.15 1.15 SRF typ4 (MHz) 260 202 182 160 123 160 115 90 73 Isat5 (A) 50 36 32 27 24 27 20 19 17 Irms6 (A) 32 27 27 27 27 22 27 22 22 1. When ordering, please specify termination and packaging codes: SER1590-102MLD Termination: L = RoHS compliant tin-silver over copper. 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 (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 D instead. 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/ HP 4284A LCR meter or equivalent. 3. DCR measured on a Keithley 580 micro-ohmmeter. 4. SRF measured using an Agilent/HP 8753D network analyzer and Coilcraft SMD-D test fixture. 5. DC current at which the inductance drops 10% (typ) from its value without current. 6. Current that causes a 40C temperature rise from 25C ambient. 7. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering. Designer's Kit C366 contains 4 of each value Core material Ferrite Core and winding loss See www.coilcraft.com/coreloss Terminations RoHS tin silver over copper. Other terminations available at additional cost. Weight 4.14 - 5.2 g 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 250 per 13 reel; Plastic tape: 32 mm wide, 0.4 mm thick, 32 mm pocket spacing, 10.4 mm pocket depth PCB washing Only pure water or alcohol recommended Specifications subject to change without notice. Please check our website for latest information. Document 289-1 Revised 10/20/08 (c) Coilcraft, Inc. 2009 Document 289 -2 SMT Power Inductors - SER1590 Series L vs Frequency 1.6 1.4 1.5 H L vs Current 1.6 1.4 1.2 H 1.0 H 0.90 H 0.80 H 0.68 H 0.60 H 0.50 H 0.30 H 1.5 H Inductance (H) Inductance (H) 1.2 1.0 0.8 0.6 0.4 0.2 0 0.1 1.2 1.0 0.8 0.6 0.4 0.2 0 1.2 H 1.0 H 0.90 H 0.80 H 0.68 H 0.60 H 0.50 H 0.30 H 1 10 0.1 1 10 100 Frequency (MHz) Current (A) Temperature Rise vs Current 70 1 Temperature rise (from 25C) 60 50 40 30 20 10 0 0 5 10 15 0.90 H 0.50 H 0.60 H 0.68 H 0.80 H 1.0 H 1.2 H 1.5 H 2 3 Caution: Terminal 3 is provided for mounting stability only. This terminal is connected to the winding of the inductor and must not be connected to ground or any circuitry. Recommended Land Pattern 0.30 H A K N 3 Q B G M O C L 20 25 30 35 40 45 P D E D K 1 2 K L Current (A rms) Current Derating 120 110 C Percent of rated current 100 90 80 70 60 50 40 F* *F = Width of flat area on winding 0.004/0,102 I H J A max 0.62 25C B max 0.64 16,26 J 0.10 2,54 C max 0.40 10,16 K 0.15 3,81 D 0.10 2,54 L 0.18 4,57 E 0.23 5,84 M 0.35 8,89 F 0.09 2,29 N 0.25 6,35 G 0.2600.006 6,60 0,15 O 0.035 0,89 P 0.16 4,06 H 0.45 11,43 Q 0.15 3,81 30 20 10 0 -40 -20 Isat Irms 0 20 15,75 I 0.08 2,03 40 60 80 100 120 140 Ambient temperature (C) inches Dimensions are in mm Document 289-2 Revised 10/20/08 Specifications subject to change without notice. Please check our website for latest information. (c) Coilcraft, Inc. 2009 |
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