A Dimensions: mm B Recommended land pattern: mm D Electrical Properties: Properties Test conditions Value Unit Tol. Inductance 100 kHz/ 1 mA L 0.39 H 30% Rated current T = 40 K I 4.20 A max. R Saturation current L/L < 35% I 10.3 A typ. sat DC Resistance 20C R 0.0150 typ. DC DC Resistance 20C R 0.0177 max. DC Self resonant frequency f 160 MHz typ. res C Schematic: E General information: It is recommended that the temperature of the part does not exceed 125C under worst case operating conditions. Ambient temperature: -40C to +85C (refering to I ) R Operating temperature: -40C to +125C Storage temperature (on tape & reel): -20C to +40C 75% RH max. Test conditions of Electrical Properties: 20C, 33% RH if not specified differently DESCRIPTION 1.9 2016-03-01 KaS ALa Reference on drawing Description 1.8 2015-05-19 SSt ALa Start of winding WE-SPC SMD Shielded Power Inductor 1.7 2014-06-23 SSt SSt Marking R39 (Inductance Code) Wrth Elektronik eiSos GmbH & Co. KG EMC & Inductive Solutions 1.6 2014-03-31 SSt SSt Max-Eyth-Str. 1 1.5 2013-04-25 SSt SSt 74638 Waldenburg Order.- No. SIZE Germany 1.4 2013-01-02 SSt COt Tel. +49 (0) 79 42 945 - 0 www.we-online.com 744089420039 A4 1.3 2012-12-05 SSt SSt eiSos we-online.com REV DATE BY CHECKED Size: 4828 This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Wrth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Wrth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.F1 Typical Inductance vs. Current Characteristics: F2 Typical Impedance Characteristics: DESCRIPTION 1.9 2016-03-01 KaS ALa 1.8 2015-05-19 SSt ALa WE-SPC SMD Shielded Power Inductor 1.7 2014-06-23 SSt SSt Wrth Elektronik eiSos GmbH & Co. KG EMC & Inductive Solutions 1.6 2014-03-31 SSt SSt Max-Eyth-Str. 1 1.5 2013-04-25 SSt SSt 74638 Waldenburg Order.- No. SIZE Germany 1.4 2013-01-02 SSt COt Tel. +49 (0) 79 42 945 - 0 www.we-online.com 744089420039 A4 1.3 2012-12-05 SSt SSt eiSos we-online.com REV DATE BY CHECKED Size: 4828 This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Wrth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Wrth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.