MPL-AL4020-R47 Low-Resistance Molded Inductor 0.47H APPLICATIONS Battery-powered devices Embedded computing High-current SMPS High-frequency SMPS POL converters FPGA ELECTRICAL CHARACTERISTICS FEATURES Parameter Value Unit Size 4.1mmx4.1mmx1.9mm (1) Inductance L 20% 0.47 H Low DCR Resistance RDC typ 6.2 m Low AC Losses Resistance RDC MAX max 6.9 m MAX Low Audible Noise (2) Rated Current IR typ 9.2 A Molded Construction (3) Soft Saturation Saturation Current ISAT 25C typ 12.5 A 25C (4) Stable Over High Temperatures Saturation Current ISAT 100C typ 12.5 A 100C Max Operating Temp +155C Resonance Frequency fr typ 123 MHz RoHS/REACH-Compliant, Halogen-Free GENERAL SPECIFICATIONS (1) Inductance Measured at 100kHz, 100mA Rated current will cause the coil temperature rise T of 40K IR measured with the inductor soldered in a single-layer PCB. Copper layer thickness (2) Rated Current 35m Cu / PCB size 30x50mm. Temperature behavior dependent on circuit design, PCB layout, proximity to other components, and trace dimensions and thickness. (3) Saturation Current Saturation current will cause L to drop from 30% at 25C ambient temperature 25C (4) Saturation Current Saturation current will cause L to drop from 30% at 100C ambient temperature 100C Temperature Test Condition Electrical specifications measured at 25C, 35% RH if not given differently Operating temperature: -40C to +155C (including temp rise) Operating Condition Should not exceed +155C under worst-case operation conditions Tape and Reel packaging: -10C to +40C Storage Condition Humidity: <50% RH All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For MPS green status, please visit the MPS website under Quality Assurance. MPS, the MPS logo, and Simple, Easy Solutions are registered trademarks of Monolithic Power Systems, Inc. or its subsidiaries. MPL-AL4020-R47 Rev. 1.1 www.MonolithicPower.com 1 8/6/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2019 MPS. All Rights Reserved. MPL-AL4020-R47 LOW-RESISTANCE MOLDED INDUCTOR 0.47H TYPICAL PERFORMANCE CURVES Inductance vs. Current Temperature Rise vs. Current Impedance vs. Frequency Inductance vs. Frequency MPL-AL4020-R47 Rev. 1.1 www.MonolithicPower.com 2 8/6/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2019 MPS. All Rights Reserved.