Tag: General Specification for Rigid Printed Wiring Board

MIL-PRF-55110 Updated – Printed Wiring Boards

MIL-PRF-55110 has been updated.  The specification is titled Printed Wiring Board, Rigid, General Specification for.  The new Edition is Revision H with Amendments 1 and 2.  Compliance with this new edition must be completed by September 18, 2017.

The MIL-PRF-55110 was previously numbered MIL-P-55110 and is one of the major PWB (Printed Wiring Board) specifications for government contract work.  It was inactivated in December 1997 and should only be used for replacement purposes.  New design should meet the requirements of MIL-PRF-31032 (Printed Circuit Board/Printed Wiring Board, General Specification for), Revision C from 2016.

MIL-PRF-55110 provides you with the performance and qualification requirements for rigid single-sided, double-sided and multilayered printed wiring boards.  These boards can include both plated and non-plated through holes.  Four types of PWB’s are included in the document — that is, the single-sided, double-sided, multilayer with plated holes, and multilayer with plated and blind or buried via holes.

Changes in this new edition are clearly marked with black lines in the outside margin of the document.  You’ll find them on the following pages:

1, 7, 15, 17, 24, 28, 29, 30, 31, 32, 33, 36, 38, 40, 42, 47, 48, 51, 56, and 78.

If you’re familiar with this 134-page document, you’ll soon realize that the bulk of the new updates occur in Appendix A.

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QPL-55110 2012 Edition released – The Qualified Products Listing for MIL-PRF-55110

QPL 55110, 2012 Edition, “QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-PRF-55110, Printed Wiring Board, Rigid, General Specification for,” has just been released and is now available at Document Center Inc.  This QPL is a new edition of the document that had previously been transformed into the new database format.  You can still find the current information in that database, but a consolidated paper edition has now been issued as well.

QPL’s (Qualified Product Lists) cover all products certified to meet the requirements of the applicable MIL Specification. They are useful for military contractors who need suppliers for component parts that must meet a particular military spec.

Normally they will be formatted with information on the government designation number for the part, plus the manufacturer’s number, and other pertinent information for procurement.  At the end of the document, a key to each manufacturer will be given with contact information and so on.

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