Dimensions: mm Recommended Land Pattern: mm Electrical Properties: Properties Test conditions Value Unit Tol. Inductance L N1/ 10 kHz/ 100 mV 22 H 10% 6 7 30,38 Turns Ratio n N1 : N2 : N3 2.4:1:1 Saturation Current I N1/ L/L < 20 % 10.8 A typ. SAT DC Resistance 1 R N1/ 20 C 18 m max. 12 1 DC 1 DC Resistance 2 R N2/ 20 C 8 m max. DC 2 1 12 DC Resistance 3 R N3/ 20 C 125 m 10% DC 3 Leakage Inductance L 100 kHz/ 100 mV 0.75 H max. S Insulation Test Voltage V N1,3 => N2 1500 V (AC) 6 T 7 28,0 typ. Certification: 2,5 RoHS Approval Compliant 2011/65/EU&2015/863 Scale - 1:1 REACh Approval Conform or declared (EC)1907/2006 Halogen Free Conform JEDEC JS709B Schematic: Halogen Free Conform IEC 61249-2-21 29,36 typ. 1,0 0,05 1 12 2 11 General Information: 32,45 max. N1 10 Operating Temperature -40 up to +125 C Pin 1 Storage Conditions (in original 5 < 40 C < 75 % RH N2 packaging) 6 Storage Conditions (for single 9 -20 up to +60 C 3 parts) Moisture Sensitivity Level (MSL) 1 8 N3 Test conditions of Electrical Properties: +20 C, 33 % RH if not specified differently 7 4 N1, N2 denotes windings connected in parallel. Terminals 1+2, 5+6, 7+8+9 and 10+11+12 must be tied as solder Scale - 1:1 bridging is allowed. CHECKED REVISION DATE (YYYY-MM-DD) GENERAL TOLERANCE PROJECTION METHOD WJK 001.000 2021-03-12 DIN ISO 2768-1m DESCRIPTION WE-PoE Power over Ethernet Wrth Elektronik eiSos GmbH & Co. KG ORDER CODE EMC & Inductive Solutions Transformer Max-Eyth-Str. 1 750319021 74638 Waldenburg Germany SIZE/TYPE BUSINESS UNIT STATUS PAGE Tel. +49 (0) 79 42 945 - 0 www.we-online.com EFD25 eiSos Valid 1/6 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. 27,03 max. 13,97 max. 3,76 1,52Typical Application: Typical Inductance vs. Current Characteristics: Properties Value Unit Version CCM Flyback 25 Input Voltage V 33 - 57 V (DC) in Output Voltage 1 V 12 V Out1 Output Current 1 I 8 A Out1 Auxiliary Voltage V 12 V aux Switching Frequency f 250 kHz 20 switch Primary: N1 Output 1: N2 Auxiliary: N3 Table shows a typical application. Values may vary by application. 15 10 5 0 0 2 4 6 8 10 12 14 16 Current A CHECKED REVISION DATE (YYYY-MM-DD) GENERAL TOLERANCE PROJECTION METHOD WJK 001.000 2021-03-12 DIN ISO 2768-1m DESCRIPTION WE-PoE Power over Ethernet Wrth Elektronik eiSos GmbH & Co. KG ORDER CODE EMC & Inductive Solutions Transformer Max-Eyth-Str. 1 750319021 74638 Waldenburg Germany SIZE/TYPE BUSINESS UNIT STATUS PAGE Tel. +49 (0) 79 42 945 - 0 www.we-online.com EFD25 eiSos Valid 2/6 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. Inductance H