A Dimensions: mm B Recommended land pattern: mm D Electrical Properties: Properties Test conditions Value Unit Tol. Inductance 100 MHz L 4.7 nH 0.3nH Q-factor 100 MHz 8 min. Q DC Resistance 20C R 0.20 max. DC Rated current T = 20 K I 300 mA max. R Self resonant frequency f 4000 MHz typ. res 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 +105C (refering to IR) Operating temperature: -55C to +125C Storage temperature (on tape & reel): -20C to +60C 30 to 70% RH max. Test conditions of Electrical Properties: 20C, 33% RH if not specified differently DESCRIPTION WE-MK Multilayer Ceramic SMD Inductor Wrth Elektronik eiSos GmbH & Co. KG EMC & Inductive Solutions Max-Eyth-Str. 1 74638 Waldenburg Order.- No. SIZE Germany 2.0 2014-04-14 SSt HBH Tel. +49 (0) 79 42 945 - 0 www.we-online.com 744784047A A4 1.0 2010-02-22 ES - eiSos we-online.com REV DATE BY CHECKED Size: 0402A 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.H Soldering Specifications: H2: Classification Reflow Profiles H1: Classification Reflow Profile for SMT components: Profile Feature Pb-Free Assembly Preheat - Temperature Min (T ) 150C smin - Temperature Max (T ) 200C smax - Time (t ) from (T to T ) 60-120 seconds s smin smax Ramp-up rate (T to T ) 3C/ second max. L P Liquidous temperature (T ) 217C L Time (t ) maintained above T 60-150 seconds L L Peak package body temperature (T ) See Table H3 p Time within 5C of actual peak temperature (t ) 20-30 seconds p Ramp-down rate (T to T ) 6C/ second max. P L Time 25C to peak temperature 8 minutes max. refer to IPC/JEDEC J-STD-020D H3: Package Classification Reflow Temperature Package Thickness Volume mm Volume mm Volume mm <350 350 - 2000 >2000 PB-Free Assembly < 1.6 mm 260C 260C 260C PB-Free Assembly 1.6 - 2.5 mm 260C 250C 245C PB-Free Assembly 2.5 mm 250C 245C 245C refer to IPC/JEDEC J-STD-020D DESCRIPTION WE-MK Multilayer Ceramic SMD Inductor Wrth Elektronik eiSos GmbH & Co. KG EMC & Inductive Solutions Max-Eyth-Str. 1 74638 Waldenburg Order.- No. SIZE Germany 2.0 2014-04-14 SSt HBH Tel. +49 (0) 79 42 945 - 0 www.we-online.com 744784047A A4 1.0 2010-02-22 ES - eiSos we-online.com REV DATE BY CHECKED Size: 0402A 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.