Engineering/Process Change NoticeECN/PCN No.: 3521For ManufacturerProduct Description:Abracon Part Number / Part Series: ☒ Series Thru-Hole HWZT-RS ☐ Part Number Affected Revision:New Revision:Application : ☐ Safety F EOL ☒ Non-Safety Prior to Change: https://abracon.com/Resonators/HWZT_RS.pdf After Change: EOL Cause/Reason for Change: Production will be discontinued Change PlanEffective Date:Additional Remarks: Immediate Change Declaration:Issued Date:Issued By:Issued Department: 4/22/20 Stephanie Lopez Engineering Approval:Approval:Approval: Thomas Culhane Reuben Quintanilla Ying Huang Engineering Director Quality Director Purchasing Director For Abracon EOL onlyLast Time Buy (if applicable):Alternate Part Number / Part Series:9/15/2020 None Additional Approval:Additional Approval:Additional Approval:Customer Approval (If Applicable)Qualification Status: ☐ Approved ☐ Not accepted Note: It is considered approved if there is no feedback from the customer 1 month after ECN/PCN is released. Customer Part Number:Customer Project:Company Name:Company Representative:Representative Signature:Customer Remarks: Form #7020 Rev. D Effective: 02/11/2020 Page 1 of 1 Document Outline EOL-ECN #3521 HWZT-RS.pdf HWZT_RS.pdf