Dimensions: mm Recommended Land Pattern: mm Electrical Properties: Properties Test conditions Value Unit Tol. Inductance 100 kHz/ 1 V L 220 H 20% Rated Current T = 40 K I 0.31 A max. R Saturation Current L/L < 30 % I 0.21 A typ. SAT DC Resistance 20 C R 2430 m 20% DC Self Resonant Frequency f 7 MHz typ. res 1,55 1,5 4,0 0,2 Scale - 7:1 Schematic: General Information: It is recommended that the temperature of the component does not exceed +125 C under worst case conditions Ambient Temperature (refering to -40 C up to +85 C I ) R Operating Temperature -40 C up to +125 C Storage Conditions (in original < 40 C < 75 % RH packaging) Moisture Sensitive Level (MSL) 1 Test conditions of Electrical Properties: +20 C, 33 % RH if not specified differently Scale - 7:1 Product Marking: Marking 221 (Inductance Code) CREATED CHECKED GENERAL TOLERANCE PROJECTION Wrth Elektronik eiSos GmbH & Co. KG METHOD EMC & Inductive Solutions KaS ChriB DIN ISO 2768-1m Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg Germany WE-LQS SMD Semi-Shielded Tel. +49 (0) 79 42 945 - 0 ORDER CODE Power Inductor www.we-online.com 74404043221A eiSos we-online.com SIZE REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 001.001 Valid 2018-06-05 eiSos 1/6 4025 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. 4,0 0,2 1,1 ref. 2,5 max. 3,6Typical Inductance vs. Current Characteristics: Typical Impedance Characteristics: 250.0 1000000 100000 200.0 10000 150.0 1000 100.0 100 10 50.0 1 0.1 1 10 100 1000 0.0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 Frequency MHz Current A Z CREATED CHECKED GENERAL TOLERANCE PROJECTION Wrth Elektronik eiSos GmbH & Co. KG METHOD EMC & Inductive Solutions KaS ChriB DIN ISO 2768-1m Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg Germany WE-LQS SMD Semi-Shielded Tel. +49 (0) 79 42 945 - 0 ORDER CODE Power Inductor www.we-online.com 74404043221A eiSos we-online.com SIZE REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 001.001 Valid 2018-06-05 eiSos 2/6 4025 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. Inductance H Impedance