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Home > Technology Center > Engineering Committees > P-3 Committee Minutes
of P-3 Committee on Inductive Devices
1.0
Committee Organization and Procedures Self-introductions were made. Attendance was taken, and it was determined that a quorum was present. Membership list needs to be cleaned up to ensure that all committee members receive drafts to review. Action Item 1.2 Approval of April 5, 2000 Meeting Minutes Add Bill Gisseler to list of members attending April 2000 meeting. Motion carried approving the April 2000 minutes 1.3 Approval of Agenda Agenda was approved. 1.4 Correspondence No correspondence.
Committee went through draft in detail, and question arose on 4.5.1 f) "The impedance value shall not change by more than +/- 30% from the initial value."(also in 4.4 e)) Committee questioned whether +/- 30% is a realistic standard for impedance change across temperature range. Action Item Follow-up conference call with suppliers to get data on +/- 30% issue to present prior to 4/2001 meeting. Bill Gisseler will then update PN-4315. 2.2 Review merged Multilayer-Wirewound Specification draft. Merger of EIA/IS-759, "Multilayer Chip Inductor Qualification Specification" with EIA/IS-760, "Surface Mount Wirewound Inductor Qualification Specification." Earlier draft of merged specification still needs to be located. 2.3 Review Parts Dimension and Land Patterns Document Excel spreadsheet. Michael Griffith helped put it together. All case sizes of inductors and standard land patterns. All manufacturers surveyed. IPC normally recommends land patterns following P-4 mechanical outline guidelines. Request a PN Number. Action Item 2.4 PN-4233, "Surface Mount Inductor Qualification Specification" 4/2000 version was handed out at meeting. Updated version with strikeouts shown will be provided to committee. Michael Tinkleman, EIA/ECA will then do an e-mail to all committee members. Several iterations may be necessary. Action Items Motion: - To ballot PN-4233 when revisions are complete. 5 - For, 4 - Abstentions - Approved. Roll call vote. 5 Yes votes - IBM, KOA Speer, Vishay, TDK & AEM. 4 Abstentions - Agilent, Cooper, Panasonic & Steward. Action Item 3.0 New Business
and Opportunities Continue to review whether application guide is needed. 4.0 Next Meeting The next meeting will be at the 2nd Engineering Summit 4/23-25/2001 in San Antonio. 5.0 Adjournment The Committee moved, seconded, and unanimously agreed to adjourn at 12:15PM. 6.0 Action Items Membership list needs to be cleaned up to ensure that all committee members receive drafts to review. PN-4315 - Follow-up conference call with suppliers to get data on +/- 30% issue to determine if it is a realistic value. Parts Dimension and Land Patterns Document - Request a PN Number. PN-4233 - Provide updated version with strikeouts shown. Ballot PN-4233 This meeting was
conducted in accordance with the EIA legal guidelines and the manual
of organization and procedures. Bill Gisseler, Chairperson Michael Tinkleman,
Secretary
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