Qpl Qml Requirements

[Roxanna Bornemann]

Qualificationand listing in a QPL, QML, or QBL is the process by which products are obtained from manufacturers or distributors, examined and tested for compliance with specification requirements, or manufacturers or potential offerors, are provided an opportunity to demonstrate their abilities to meet the standards specified for qualification. The names of successful products, manufacturers, or potential offerors are included on lists evidencing their status. Generally, qualification is performed in advance and independently of any specific acquisition action. After qualification, the products, manufacturers, or potential offerors are included in a Federal or Military QPL, QML, or QBL. (See 9.202(a)(2) with regard to any product, manufacturer, or potential offeror not yet included on an applicable list.)

Selection of parts for inclusion in the device listings in this document is based on a review of technical data by the NASA EEE Parts Assurance Group (NEPAG) for quality and reliability trends. The major criteria used to evaluate candidate parts are:

Participation by the manufacturers in a quality program such as QPL, QML, and ISO 9000. will not automatically qualify their products for listing in the NPSL. Listings will be based on results from assessments of all the major criteria listed above. EEE parts-related activities throughout NASA provide recommendations for listing parts in this document.

NOTE: Unless specifically stated within the parts selection tables of the NPSL, listing of a device technology herein does NOT imply/guarantee Radiation Hardness Assurance (RHA). Applications concerned with a device's ability to tolerate exposure to various forms of space radiation (e.g., total ionizing dose, single event effects, etc.) should be reviewed and have the device assessed by the Program's radiation assurance experts. The following resources may also be consulted for initial guidance:

NASA Goddard Radiation Effects and Analysis

Jet Propulsion Laboratory Radiation Effects

The NPSL lists products based on three quality levels defined by NEPAG: Level 1, Level 2, and Level 3. The definitions for each Level and the criteria used to list a part in a particular Level are not part approvals nor is this document a project approved parts list. The NPSL will not provide information on whether or not a part meets individual project flight requirements. Instead, it provides a list of products and associated manufacturers that meet recognized quality assurance baselines, qualification test regimens, and screening requirements necessary for space flight acceptance based on levels of risk. The part selected must be assessed independently by the project or the NASA center or OEM's parts organization to determine if it meets the requirements for the project. The parts engineering organizations at the NASA centers will assist users in making this determination. The Levels herein are not directly related to mission classification, cost, or schedule and users should make the appropriate Level tradeoffs when considering which parts to choose from the list.

Level 1 is the highest product assurance class assigned to parts listed in this document. Level 1 parts are those produced under assurance classes recognized by NASA as providing the highest possible level of quality and reliability (e.g. QML Class V & K, JANS for discrete semiconductors, QPL Class S, Failure Rate Level (FRL) S), from NASA approved manufacturing sources, and meeting NASA space level parts and packaging program assessment criteria. The technical assessment results for Level 1 products will show that no known trends exist which have a negative impact on the quality, reliability, or performance for space flight applications. The Level 1 criteria is summarized as follows:

Level 2 is the second highest product assurance class assigned to parts listed in this document. Level 2 parts are those produced under assurance classes recognized by NASA to have a high level of quality and reliability (e.g. QML Q & H, QPL Class B, JANTXV for discrete semiconductors, FRL R or P), from NASA approved manufacturing sources, and meeting NASA space level parts and packaging program assessment criteria. The Level 2 criteria is summarized as follows:

Level 3 is the minimum product assurance class assigned to parts listed in this document. Level 3 contains many advanced electronic functions (from a space flight applications standpoint) and has been created to provide a technology insertion path into NASA flight projects. Parts listed are those produced by reputable manufacturers under a recognized quality assurance system (QML, QPL, ISO 9000) or their equivalent. Typically, only a limited amount of information is available to NEPAG for these parts and NASA has minimal visibility into the manufacturing and testing of Level 3 product. The parts are usually available commercially and have the capability to be used in space applications. The intent of Level 3 listings is to provide products that are newer, have greater functionality and enhanced performance characteristics, and provide higher levels of integration. Because the product has little or no heritage in space flight application and data is unavailable or scarce, these parts are considered higher risk than the Level 1 and Level 2 parts. While the price of these parts may be less than the traditional Levels, more engineering evaluation may be needed to qualify the part for the project's application. The overall reliability and cost of ownership should be considered when selecting these parts. The Level 3 criteria is summarized as follows:

(c) The requirement in this clause for distributors to be listed on the DSCC QSLD at time of award is in addition to, and does not abrogate, any requirement for an Offeror to provide a QPL or a QML item from a currently approved/qualified source when a QPL or QML requirement is specified. In addition, a distributor listed on the QSLD must furnish the product of a currently approved/qualified source as specified in the solicitation/contract Item Description whether the item is governed by a QPL/QML or not.

(e) Distributors that are listed on the QSLD are exempt from any requirement to submit traceability documentation to the Contracting Officer on or before the date that quotes/offers are due as specified elsewhere in the solicitation.

(f) In the event no approved manufacturers or QSLD distributors offer on this solicitation, the Government reserves the right to make an award based on offers received that comply with the traceability requirements found elsewhere in the solicitation.

MIL-PRF-38535[1] is a United States military specification that establishes the general performance and verification requirements of single die integrated circuit device type electronics. It is a performance-based specification document defining the general requirements, as well as the quality assurance and reliability requirements, for the manufacture of microelectronic or integrated circuits used in military applications and high-reliability microcircuit application programs.[2]

The specification provides the device manufacturer with the flexibility to implement best commercial practices while still providing a product that meets military performance needs.[3] To be granted such privilege, a manufacturer must be certified pursuant to the Qualified Products List (QPL) and the Qualified Manufacturer List (QML) programs.[4] Developed in 1995 pursuant to DoD 4120.24M,[5] the QPL/QML program moved defense procurement processes away from the use of strict detail specifications to a newer system based on industry practices.

As a performance specification, the document provides the device manufacturers with an acceptable established baseline to support Government microcircuit application and logistic programs. The basic section of this specification has been structured as a performance specification, which is supplemented with detailed appendices. These appendices provide guidance to manufacturers on demonstrated successful approaches to meeting military performance needs. These appendices are included as a benchmark and are intended to impose performance requirements. For QML microcircuits the manufacturer developed a program plan that meets the performance detailed in these appendices. Appendix A is mandatory for manufacturers of device types supplied in compliance with MIL-STD-883 and forms the basis for QML classes Q and V. Appendix B is intended for space application and is required for V level devices. Appendix C is mandatory for devices requiring RHA. Appendix D is mandatory for statistical sampling, life test, and qualification procedures used with microcircuits.

Components from the technology flow are intended for use in ESA and other European spacecraft and Space segment hardware in accordance with the requirements defined in the ECSS Standard, ECSS-Q-ST-60, Space Product Assurance - Electrical, Electronic and Electromechanical (EEE) Components.

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