Dimensions: mm Recommended Land Pattern: mm Electrical Properties: Properties Test conditions Value Unit Tol. Inductance Base 1) L 10 kHz/ 1 V 4.3 H 20% BASE Turns Ratio n 1:1:1:1:1:1 7 6 Rated Current Base 2) I T = 40 K 1.91 A typ. 1 12 R BASE Saturation Current Base 3) I L/L < 10 % 2.91 A typ. SAT BASE DC Resistance Base 4) R 20 C 30 m max. DC BASE 1 Voltage-Second Base 5) Udt Unipolar waveform 65.6 Vs max. 12 Base Leakage Inductance Base L 10 kHz/ 1 V 0.18 H typ. S Base 7 6 Insulation Test Voltage V 3 mA/ 1 s 500 V (AC) T 22,7 1) Inductance of a single winding 29,7 2) Rated Current of a single winding 3) Saturation Current of a single winding when all windings are driven. If not all windings are driven, 21,0 typ. the Saturation Current per winding is 6 x I / number of driven windings. SAT BASE 4) DC Resistance of a single winding Scale - 1:1 5) Voltage-Second of a single primary winding. For primary windings in series, multiply Voltage- Second by the number of windings used. For primary windings in parallel, the Voltage-Second BASE rating = Voltage-Second . BASE Schematic: Certification: 1 4 RoHS Approval Compliant 2011/65/EU&2015/863 N1 N4 REACh Approval Conform or declared (EC)1907/2006 29,5 max. 12 9 General Information: 2 5 Operating Temperature -40 up to +125 C N2 N5 Storage Conditions (in original < 40 C < 75 % RH packaging) 11 8 Storage Conditions (for single -40 up to +85 C 3 6 parts) Moisture Sensitivity Level (MSL) 1 N3 N6 Test conditions of Electrical Properties: +20 C, 33 % RH if not specified differently Scale - 1:1 10 7 CHECKED REVISION DATE (YYYY-MM-DD) GENERAL TOLERANCE PROJECTION METHOD CHC 004.002 2020-12-01 DIN ISO 2768-1m DESCRIPTION WE-FLEX Flexible Transformer for Wrth Elektronik eiSos GmbH & Co. KG ORDER CODE EMC & Inductive Solutions DC/DC Converter Max-Eyth-Str. 1 749196530 74638 Waldenburg Germany SIZE/TYPE BUSINESS UNIT STATUS PAGE Tel. +49 (0) 79 42 945 - 0 www.we-online.com EFD20 eiSos Valid 1/5 eiSos we-online.com 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. 0,7 0,1 21,0 max. 10,8 max. 2,25 3,0165 -180 Packaging Specification - Tape: mm Packaging Specification - Reel: mm W3 P0 K0 P2 T D0 A W1 close to center B C Top Cover Tape D1 P1 T1 A A0 T2 W2 Carrier Tape End Feeding direction Start Cover Tape detail B Cover Tape B Chip Cavity Sprocket Hole No Component Components No Component min.160mm min.100mm Embossment Cover Tape min. 400mm Packaging is referred to the international standard IEC 60286-3:2013 A B C D N W1 W2 W3 W3 Material (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) A0 B0 W T T1 T2 K0 P0 P1 P2 D0 D0 / 2 D1 d E S F Qty. Tape Type Material Tolerance 2,0 min. min. min. min. + 2,0 max. min. max. (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (pcs.) Value 330,00 1,50 12,80 20,20 80,00 44,40 50,40 43,90 47,40 Polysytrene Tolerance typ. typ. 0,3 ref. ref. typ. typ. 0,1 0,1 0,15 +0,1/ -0,0 +0,05/ -0,0 typ. +0,05 0,1 0,1 0,1 Value 3 21,80 29,50 44,00 0,50 0,05 12,60 12,10 4,00 32,00 2,00 1,50 0,75 2,00 0,20 1,75 40,40 20,20 Polystyrene 120 CHECKED REVISION DATE (YYYY-MM-DD) GENERAL TOLERANCE PROJECTION METHOD CHC 004.002 2020-12-01 DIN ISO 2768-1m DESCRIPTION WE-FLEX Flexible Transformer for Wrth Elektronik eiSos GmbH & Co. KG ORDER CODE EMC & Inductive Solutions DC/DC Converter Max-Eyth-Str. 1 749196530 74638 Waldenburg Germany SIZE/TYPE BUSINESS UNIT STATUS PAGE Tel. +49 (0) 79 42 945 - 0 Pull-of force www.we-online.com EFD20 eiSos Valid 2/5 44 mm eiSos we-online.com Tape width 0,1 N - 1,3 N 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. B0 d F S E W D A N