It is recommended that the temperature of the part does
not exceed +125°C under worst case conditions.
•Storage Temperature: -20°C to 60°C
•Operating Temperature: -40°C to 125°C
•Test conditions of Electrical Properties: 20°C, 33% RH
if not specified differently
DESCRIPTION
WE-CST Current Sense Transformer
6.1
6.0
5.0
REV
2014-03-31
2013-04-30
2011-04-15
DATE
SSt
SSt
TBr
BY
SSt
WW
-
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
Order.- No.
SIZE
A4
749251040
Size: EE5
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.
H Soldering Specifications:
H1: Classification Reflow Profile for SMT components:
H2: Classification Reflow Profiles
Profile Feature
Preheat
- Temperature Min (Tsmin)
- Temperature Max (Tsmax)
- Time (ts) from (Tsmin to Tsmax)
Ramp-up rate (TL to TP)
Liquidous temperature (TL)
Time (tL) maintained above TL
Peak package body temperature (Tp)
Time within 5°C of actual peak temperature (tp)
Ramp-down rate (TP to TL)
Time 25°C to peak temperature
refer to IPC/JEDEC J-STD-020D
Pb-Free Assembly
150°C
200°C
60-120 seconds
3°C/ second max.
217°C
60-150 seconds
See Table H3
20-30 seconds
6°C/ second max.
8 minutes max.
H3: Package Classification Reflow Temperature
Package Thickness
PB-Free Assembly
PB-Free Assembly
PB-Free Assembly
refer to IPC/JEDEC J-STD-020D
< 1.6 mm
1.6 - 2.5 mm
≥ 2.5 mm
Volume mm³
<350
260°C
260°C
250°C
Volume mm³
350 - 2000
260°C
250°C
245°C
Volume mm³
>2000
260°C
245°C
245°C
DESCRIPTION
WE-CST Current Sense Transformer
6.1
6.0
5.0
REV
2014-03-31
2013-04-30
2011-04-15
DATE
SSt
SSt
TBr
BY
SSt
WW
-
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
Order.- No.
SIZE
A4
749251040
Size: EE5
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.
I Cautions and Warnings:
The following conditions apply to all goods within the product series of WE-CST
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, pins 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.
•Wave soldering is not applicable. Reflow soldering is recommended.
•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.
DESCRIPTION
WE-CST Current Sense Transformer
6.1
6.0
5.0
REV
2014-03-31
2013-04-30
2011-04-15
DATE
SSt
SSt
TBr
BY
SSt
WW
-
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
Order.- No.
SIZE
A4
749251040
Size: EE5
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.
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-
not 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 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.
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 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.
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.
7. Property Rights
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.
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.
DESCRIPTION
WE-CST Current Sense Transformer
6.1
6.0
5.0
REV
2014-03-31
2013-04-30
2011-04-15
DATE
SSt
SSt
TBr
BY
SSt
WW
-
CHECKED
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
Order.- No.
SIZE
A4
749251040
Size: EE5
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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