车规标准AEC-Q200REV-C(3)

For each part qualification, the supplier must present a Certificate of Design, Construction and Qualification data see Appendix 2.

3.2

Qualification of a Lead (Pb) – Free Device

Added requirements needed to address the special quality and reliability issues that arise when lead (Pb) free processing is utilized is specified in Section 4. Materials used in lead-free processing include the termination plating and the board attach (solder). These new materials usually require higher board attach temperatures to yield acceptable solder joint quality and reliability. These higher temperatures will likely adversely affect the moisture sensitivity level of plastic packaged devices. As a result, new, more robust mold compounds may be required. If an encapsulation material change is required to provide adequate robustness for Pb-free processing of the device, the supplier should refer to the process change qualification requirements in this specification. Preconditioning should be run at the applicable reflow temperatures described in Section 4 wherever it is required before environmental stress tests.

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3.3

3.3.1

Requalification of a Device

Requalification of a device shall be required when the supplier makes a change to the product and/or process that impact the form, fit, function, quality and reliability of the device. Process Change Notification

The supplier shall submit a projection to the users of all forecasted process changes. This projection of implemented changes shall be submitted at least 6 months in advance. Information required for submission to the user will include the following as a minimum: 1. Benefit to the user (value, time and quality).

2. For each user part numbers involved in the change, the following information is required:

a) Supplier part number

b) An estimated date of the last production lot of unchanged parts.

c) An estimated final order date and final ship date of unchanged parts. d) The first projected shipment date and date code of changed parts. A detailed description of the change in terms of the materials, processes,

visual/electrical/mechanical characteristics, rating, circuit design, internal element layout and size as applicable.

4. Technical data and rationale to support the proposed changes.

5. An electrical characterization comparison (between the new and original product) of

all significant electrical parameters over temperature extremes that the change could affect. Changes in median and dispersion performances shall be noted even though conformance to specification limits is still guaranteed.

6. The supplier shall submit an updated Certificate of Design, Construction and Qualification

along with information required by this section (section 3.2.1) plus any changes impacting Appendix 2 information as originally submitted.

7. The results of completed supplier Requalification tests of the changed device(s).

Items 1, 2, 3, & 4 are background information needed up front to evaluate the impact of the change on supply and reliability and to come to agreement on a qualification plan acceptable to the supplier and user. Items 5, 6 and 7 must be submitted prior to any final approval to implement any change on the user's product. No change shall be implemented without prior approval of the users.

3.3.2

Changes Requiring Requalification

As a minimum, any change to the product, as defined in Appendix 1, requires performing the applicable tests listed in Tables 1 and 2-14. Table 2A-14A will be used as a guide for determining which tests need to be performed or whether equivalent generic data can be submitted for that test. These tables include requirements for comparative testing of parts produced before the change to parts produced after. At a minimum, electrical characterization test #19 should be performed on a comparative basis. An agreement between the supplier and the user(s) with justification for performing or not performing any recommended test shall occur before the implementation of a Requalification plan. Criteria for Passing Requalification

It is the responsibility of each user to review the data, change notices, and supporting documentation to either qualify or not qualify the change based on the results of the tests performed. All criteria requirements described in 2.6 apply.

3.3.3

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3.3.4 User Approval

A change may not affect a part's qualification status, but may affect its performance in an application. Individual user authorization of a process change will be required for that user's particular application(s), and this method of authorization is outside the scope of this document.

4.0 QUALIFICATION TESTS

4.1 General Tests

Test details are given in Tables 1-14. Not all tests apply to all devices. For example, certain tests apply only to hermetically packaged devices, others apply only to SMD large can devices, and so on. The applicable tests for the particular device type are indicated in the "Note" column of Table 1 and the "Additional Requirements" in Tables 2-14. The "Additional Requirements" column of Tables 2-14 also serves to highlight test requirements that supersede those described in the referenced test.

4.2 Device Specific Tests

The following tests must be performed on the specific device to be qualified for all devices. Generic data is not allowed for these tests. Device specific data, if it exists, is acceptable.

1. Electrostatic Discharge (ESD) - All product.

2. Electrical Characterization - The supplier must demonstrate that the part is capable of

meeting parametric limits detailed in the individual user device specification. This data must be taken from at …… 此处隐藏：5838字，全部文档内容请下载后查看。喜欢就下载吧 ……