J Important Notes:

The following conditions apply to all goods within the product range of

Würth Elektronik eiSos GmbH & Co. KG:

1. General Customer Responsibility

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 are-

as, serve as general guidance and cannot be estimated as binding statements about the suitability for a customer application. The responsibi-

lity for the applicability and use in a particular customer design is always solely within the authority of the customer. Due to this fact it is up to

the customer to evaluate, where appropriate to investigate and decide whether the device with the specific product characteristics described

in the product specification is valid and suitable for the respective customer application or not.

2. Customer Responsibility related to Specific, in particular Safety-Relevant Applications

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 can-

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 stan-

dard reporting procedure of the Product Termination Notification (PTN) according to the JEDEC-Standard we will inform at an early stage 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 availability ex-

pectancy 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.

not be completely eliminated in the current state of the art, even if the products are operated within the range of the specifications.

7. Property Rights

In certain customer applications requiring a very high level of safety and especially in customer applications in which the malfunction or failure

of an electronic component could endanger human life or health it must be ensured by most advanced technological aid of suitable 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.

All the rights for contractual products produced by Würth Elektronik eiSos GmbH & Co. KG on the basis of ideas, development contracts as

well as models or templates that are subject to copyright, patent or commercial protection supplied to the customer will remain with Würth

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 pa-

tent right, copyright, mask work right, or other intellectual property right relating to any combination, application, or process in which Würth

Elektronik eiSos GmbH & Co. KG components or services are used.

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

8. General Terms and Conditions

Unless otherwise agreed in individual contracts, all orders are subject to the current version of the “General Terms and Conditions of Würth

Elektronik eiSos Group”, last version available at www.we-online.com.

Some products within the product range may contain substances which are subject to restrictions in certain jurisdictions in order to serve spe-

cific 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 Secti-

on 1 and 2 remains unaffected.

DESCRIPTION

WE-FLEX Flexible Transformer for DC/DC

Würth Elektronik eiSos GmbH & Co. KG

EMC & Inductive Solutions

Max-Eyth-Str. 1

Converter

4.1

4.0

3.0

REV

2014-02-18

2013-06-14

2006-08-01

DATE

SSt

SSt

TBr

BY

TBr

TBr

-

CHECKED

74638 Waldenburg

Germany

Tel. +49 (0) 79 42 945 - 0

www.we-online.com

eiSos@we-online.com

Order.- No.

749196541

Size: EFD20

SIZE

A4

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.