Dimensions: [mm] Recommended Land Pattern: [mm] Electrical Properties: Properties Test conditions Value Unit Tol. 2,0 ref. Number of windings N 2 Inductance 1 kHz/ 100 mV L 40 µH ±30% 9,5 2 3 Maximum Impedance Z 3100 Ω typ. 2,0 max 1 4 1,2 Rated Current ΔT = 40 K IR 900 mA max. DC Resistance R 0.25 Ω max. 5,7 ref. ±0,2 1 4 54 Leakage Inductance 1 MHz/ 1 mA DCL Smax. 80 nH typ. 2,54 2 32, Insulation Test Voltage UT 500 V (AC) max. Rated Voltage U 80 V R 9,2±0,3 3 Scale - 3:1 0, ± 0 5, Schematic: 1,4 ref. 1,0±0,1 General Properties: It is recommended that the temperature of the component does not exceed +125 °C under worst case conditions 1 1 4 ±0,3 AIRm)bient Temperature (refering to -40 °C up to +85 °C 0 2 2 3 6, Operating Temperature -40 °C up to +125 °C Storage Temperature (in original -20°C up to +40°C, 75% RH max. packaging) Test conditions of Electrical Properties: +20 °C, 33% RH if not specified differently Scale - 3:1 Product Marking: with dot: bifilar winding style without dot: sectional winding style Würth Elektronik eiSos GmbH & Co. KG CREATED CHECKED GENERAL TOLERANCE PMREOTJHEOCDTION EMC & Inductive Solutions SSt SSt DIN ISO 2768-1m Marking 400 (Inductance Code) Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg WE-SL2 SMD Common Mode Line Germany Tel. +49 (0) 79 42 945 - 0 Filter ORDER CODE www.we-online.com 744225 eiSos@we-online.com REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 008.013 Valid 2018-05-22 eiSos 1/6 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 Würth 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.. Würth 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.

Typical Impedance Characteristics: Test Setup: 100000 10000 Ω] 1000 Common Mode [ e c n a d e p m I 100 Differential Mode 10 1 0.01 0.1 1 10 100 Frequency [MHz] Z (comm) Z (diff) Würth Elektronik eiSos GmbH & Co. KG CREATED CHECKED GENERAL TOLERANCE PMREOTJHEOCDTION EMC & Inductive Solutions SSt SSt DIN ISO 2768-1m Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg WE-SL2 SMD Common Mode Line Germany Tel. +49 (0) 79 42 945 - 0 Filter ORDER CODE www.we-online.com 744225 eiSos@we-online.com REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 008.013 Valid 2018-05-22 eiSos 2/6 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 Würth 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.. Würth 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.

Packaging Specification - Tape and Reel: [mm] P0 W3 D0 P2 T W1 E1 close to center B D F A N W C B0 E2 top cover tape D1 A0 K0 T1 W2 T2 P1 detail A End Feeding direction Start Carrier Tape A Cover Tape Cover tape Chip Cavity Sprocket Hole No Component Components No Component Embossment min. 160mm min. 100mm Cover Tape min. 400mm A B C D N W1 W2 W3 W3 packaging is reffered to the international standard IEC 60286-3:2013 tolerance ± 2,0 min. min. min. min. + 2 max. min. max. Tape width 16 mm 330.00 1.50 12.80 20.20 60.00 16.40 22.40 15.90 19.40 A0 B0 W P1 T T1 T2 D0 D1 E1 E2 F P0 P2 VPE / packaging unit tolerance typ. typ. +0,3/ -0,1 ±0,1 ±0,1 max. typ. +0,1/ -0,0 min ±0,1 min. ±0,05 ±0,1 ±0,05 pcs. value 6,50 9,70 16,00 12,00 0,40 0,10 5,70 1,50 1,50 1,75 14,25 7,50 4,00 2,00 1000 Würth Elektronik eiSos GmbH & Co. KG CREATED CHECKED GENERAL TOLERANCE PMREOTJHEOCDTION EMC & Inductive Solutions SSt SSt DIN ISO 2768-1m 165° - 180° Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg WE-SL2 SMD Common Mode Line Germany Tel. +49 (0) 79 42 945 - 0 Filter ORDER CODE www.we-online.com 744225 eiSos@we-online.com Pull-of force REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 008.013 Valid 2018-05-22 eiSos 3/6 Tape width 16 mm 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 Würth 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.. Würth 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.

Classification Reflow Profile for SMT components: Classification Reflow Soldering Profile: Profile Feature Value Preheat Temperature Min T 150 °C s min Preheat Temperature Max T 200 °C s max T p t TC –5°C Preheat Time ts from Ts min to Ts max ts 60 - 120 seconds Max. Ramp Up Rate p Ramp-up Rate (T to T ) 3 °C/ second max. L P Max. Ramp Down Rate Liquidous Temperature T 217 °C L TL Time tL maintained above TL tL 60 - 150 seconds t Ts max Preheat Area L Peak package body temperature Tp see table below e Time within 5°C of actual peak temperaure t 20 - 30 seconds r p u at Ramp-down Rate (TL to TP) 6 °C/ second max. er T Time 25°C to peak temperature 8 minutes max. p s min m refer to IPC/ JEDEC J-STD-020E e T tS Package Classification Reflow Temperature: Volume mm³ Volume mm³ Volume mm³ Properties <350 350-2000 >2000 PB-Free Assembly | Package Thickness < 1.6 mm 260 °C 260 °C 260 °C 25 Time 25°C to Peak PB-Free Assembly | Package Thickness 1.6 mm - 2.5 mm 260 °C 250 °C 245 °C PB-Free Assembly | Package Thickness ≥ 2.5 mm 250 °C 245 °C 245 °C Time refer to IPC/ JEDEC J-STD-020E Würth Elektronik eiSos GmbH & Co. KG CREATED CHECKED GENERAL TOLERANCE PMREOTJHEOCDTION EMC & Inductive Solutions SSt SSt DIN ISO 2768-1m Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg WE-SL2 SMD Common Mode Line Germany Tel. +49 (0) 79 42 945 - 0 Filter ORDER CODE www.we-online.com 744225 eiSos@we-online.com REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 008.013 Valid 2018-05-22 eiSos 4/6 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 Würth 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.. Würth 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.

Cautions and Warnings: The following conditions apply to all goods within the product series of WE-SL2 of Würth Elektronik eiSos GmbH & Co. KG: General: All recommendations according to the general technical specifications of the data sheet have to be complied with. The usage and operation of the product within ambient conditions, which probably alloy or harm the wire isolation, has to be avoided. If the product is potted in customer applications, the potting material might shrink during and after hardening. The product is exposed to the pressure of the potting material with the effect that the core, wire and termination is possibly damaged by this pressure and so the electrical as well as the mechanical characteristics are endangered to be affected. After the potting material is cured, the core, wire and termination of the product have to be checked if any reduced electrical or mechanical functions or destructions have occurred. The responsibility for the applicability of customer specific products and use in a particular customer design is always within the authority of the customer. All technical specifications for standard products do also apply to customer specific products. Cleaning agents that are used to clean the customer application might damage or change the characteristics of the component, body or termination. Direct mechanical impact to the product shall be prevented as the ferrite material of the core could flake or in the worst case it could break. Product specific: Follow all instructions mentioned in the data sheet, especially: • The soldering profile has to be complied with according to the technical reflow soldering specification, otherwise this will void the warranty. • All products shall be used before the end of the period of 12 months based on the product date code, if not a 100% solderability can´t be ensured. • Violation of the technical product specifications such as exceeding the nominal rated current will void the warranty. The general and prodcut specific cautions comply with the state of the scientific and technical knowledge and are believed to be accurate and reliable; however, no responsibility is assumed for inaccuracies or incompleteness. Würth Elektronik eiSos GmbH & Co. KG CREATED CHECKED GENERAL TOLERANCE PMREOTJHEOCDTION EMC & Inductive Solutions SSt SSt DIN ISO 2768-1m Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg WE-SL2 SMD Common Mode Line Germany Tel. +49 (0) 79 42 945 - 0 Filter ORDER CODE www.we-online.com 744225 eiSos@we-online.com REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 008.013 Valid 2018-05-22 eiSos 5/6 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 Würth 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.. Würth 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.

Important Notes 6. Product Life Cycle Due to technical progress and economical evaluation we also reserve the right to discontinue production and delivery of products. As a The following conditions apply to all goods within the product range of Würth Elektronik standard reporting procedure of the Product Termination Notification (PTN) according to the JEDEC-Standard we will inform at an early stage eiSos GmbH & Co. KG: about inevitable product discontinuance. According to this we cannot guarantee that all products within our product range will always be available. Therefore it needs to be verified with the field sales engineer or the internal sales person in charge about the current product 1. General Customer Responsibility availability expectancy before or when the product for application design-in disposal is considered. The approach named above does not apply in the case of individual agreements deviating from the foregoing for customer-specific products. Some goods within the product range of Würth Elektronik eiSos GmbH & Co. KG contain statements regarding general suitability for certain application areas. These statements about suitability are based on our knowledge and experience of typical requirements concerning the 7. Property Rights areas, serve as general guidance and cannot be estimated as binding statements about the suitability for a customer application. The responsibility for the applicability and use in a particular customer design is always solely within the authority of the customer. Due to this All the rights for contractual products produced by Würth Elektronik eiSos GmbH & Co. KG on the basis of ideas, development contracts as fact it is up to the customer to evaluate, where appropriate to investigate and decide whether the device with the specific product well as models or templates that are subject to copyright, patent or commercial protection supplied to the customer will remain with Würth characteristics described in the product specification is valid and suitable for the respective customer application or not. Elektronik eiSos GmbH & Co. KG. Würth Elektronik eiSos GmbH & Co. KG does not warrant or represent that any license, either expressed or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right relating to any combination, 2. Customer Responsibility related to Specific, in particular Safety-Relevant Applications application, or process in which Würth Elektronik eiSos GmbH & Co. KG components or services are used. It has to be clearly pointed out that the possibility of a malfunction of electronic components or failure before the end of the usual lifetime 8. General Terms and Conditions cannot be completely eliminated in the current state of the art, even if the products are operated within the range of the specifications. In certain customer applications requiring a very high level of safety and especially in customer applications in which the malfunction or Unless otherwise agreed in individual contracts, all orders are subject to the current version of the “General Terms and Conditions of Würth failure of an electronic component could endanger human life or health it must be ensured by most advanced technological aid of suitable Elektronik eiSos Group”, last version available at www.we-online.com. design of the customer application that no injury or damage is caused to third parties in the event of malfunction or failure of an electronic component. Therefore, customer is cautioned to verify that data sheets are current before placing orders. The current data sheets can be downloaded at www.we-online.com. 3. Best Care and Attention Any product-specific notes, cautions and warnings must be strictly observed. Any disregard will result in the loss of warranty. 4. Customer Support for Product Specifications Some products within the product range may contain substances which are subject to restrictions in certain jurisdictions in order to serve specific technical requirements. Necessary information is available on request. In this case the field sales engineer or the internal sales person in charge should be contacted who will be happy to support in this matter. 5. Product R&D Due to constant product improvement product specifications may change from time to time. As a standard reporting procedure of the Product Change Notification (PCN) according to the JEDEC-Standard inform about minor and major changes. In case of further queries regarding the PCN, the field sales engineer or the internal sales person in charge should be contacted. The basic responsibility of the customer as per Section 1 and 2 remains unaffected. Würth Elektronik eiSos GmbH & Co. KG CREATED CHECKED GENERAL TOLERANCE PMREOTJHEOCDTION EMC & Inductive Solutions SSt SSt DIN ISO 2768-1m Max-Eyth-Str. 1 DESCRIPTION 74638 Waldenburg WE-SL2 SMD Common Mode Line Germany Tel. +49 (0) 79 42 945 - 0 Filter ORDER CODE www.we-online.com 744225 eiSos@we-online.com REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE 008.013 Valid 2018-05-22 eiSos 6/6 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 Würth 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.. Würth 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.

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