Murata MLCC Part-Number Discontinuations: What the 2028-2029 Cutoffs Mean for Your BOM

Murata is EOLing selected MLCC part numbers in nine series, with a last-order deadline of March 31, 2028. Procurement teams need a replacement plan now.

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TL;DR — 三句話摘要

  • Murata is discontinuing selected MLCC part numbers across nine series: GRM, GRJ, GRT, GXM, GXT, GCM, GCJ, GCG and ZRA (S1).
  • Deadlines: customer review by December 31, 2027; last orders March 31, 2028; final shipments through March 31, 2029 (S1).
  • The change covers individual part numbers, not whole series, and is not a Murata exit from the MLCC market (S1).

取自 key_takeaways （實際欄位，最多 3 筆）。事實與分析分別標示。

Murata MLCC Part-Number Discontinuations: What the 2028-2029 Cutoffs Mean for Your BOMEditorial cover for a component sourcing brief. Chip motif; headline "Murata MLCC Part-Number Discontinuations: What the 2028-2029 Cutoffs Mean for Your BOM". No reported key numbers on this brief, so no number strip is drawn. 1 cited source. Static cover (no animation).Murata MLCC Part-NumberDiscontinuations: What the 2028-2029Cutoffs Mean for Your BOMXAIPART
Cover image generated from data already shown on this page: the category motif, the headline, and reported key numbers. No decorative illustration; no third-party image.

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受影響零件

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Reported by Electronics Era on 2026-10-10. Summarized and analyzed by XAIPART Editorial.

What happened

Murata Manufacturing is preparing to discontinue selected MLCC part numbers across nine product series, according to a customer notification circulating in the electronics supply chain.S1 The affected series are GRM, GRJ, GRT, GXM, GXT, GCM, GCJ, GCG and ZRA.S1

The change covers individual part numbers rather than the product series as a whole, and the source states it does not represent a withdrawal by Murata from the MLCC market; Murata continues to offer a broad portfolio including automotive, high-reliability and high-capacitance products.S1 Customers have until December 31, 2027 to complete the relevant review and confirmation. The reported last order date is March 31, 2028, followed by final shipments through March 31, 2029.S1

The notification fits a broader capacity-allocation picture. TrendForce reported in July that the book-to-bill ratios of Murata, Samsung Electro-Mechanics and Taiyo Yuden had reached 1.30, 1.31 and 1.25, respectively, by late June 2026, the highest since the pandemic period, and that the three companies' shipments hit a five-year monthly high in June while some capacity shifted toward MLCCs used in AI applications.S1

Key numbers
MetricReported valueSource
Affected Murata MLCC series9 (GRM, GRJ, GRT, GXM, GXT, GCM, GCJ, GCG, ZRA)S1
Customer review and confirmation deadlineDecember 31, 2027S1
Last order dateMarch 31, 2028S1
Final shipments throughMarch 31, 2029S1
Book-to-bill, Murata / Samsung Electro-Mechanics / Taiyo Yuden (late June 2026)1.30 / 1.31 / 1.25S1
Number of individual part numbers affectedNot disclosed

Background timeline

  1. - TrendForce reported book-to-bill ratios of 1.30 (Murata), 1.31 (Samsung Electro-Mechanics) and 1.25 (Taiyo Yuden), the highest for the three companies since the pandemic period; shipments from the three reached a five-year monthly high in June S1
  2. - TrendForce published the book-to-bill and shipment findings cited above S1
  3. - Deadline for customers to complete the relevant review and confirmation of the Murata change S1
  4. - Reported last order date for the affected part numbers S1
  5. - Final shipments through this date S1

XAIPART take

Technical impact

Replacement MLCCs must be checked against capacitance, tolerance, rated voltage, case size, dielectric, temperature characteristics, DC-bias performance and, where mechanical stress matters, termination construction.S1 Even a numerically identical capacitor from another vendor can behave differently under DC bias or board flex, so a drop-in swap is rarely guaranteed.

Market impact

The source describes general-purpose MLCC supply coming under pressure as capacity moves toward AI-server applications, so a qualified second source may not be easy to secure even where parts appear available.S1 Automotive and industrial users face supplier-change qualification cycles — reliability testing, engineering approval and customer qualification — that can stretch well beyond commercial product timelines.S1 The source did not disclose how many individual part numbers are affected, so BOM exposure must be confirmed against Murata's official notification.

Action

Screen every BOM against the nine listed series (GRM, GRJ, GRT, GXM, GXT, GCM, GCJ, GCG, ZRA) before the December 31, 2027 review deadline. For confirmed hits, place last-time-buy quantities ahead of the March 31, 2028 order cutoff and start second-source qualification in parallel, prioritizing long-lifecycle automotive and industrial lines where requalification is slowest.

XAIPART Forecast

XAIPART expects qualified alternate-source demand for mainstream GRM-family capacitance/voltage/size combinations to rise sharply, and lead times for selected general-purpose MLCC replacements to exceed 12 weeks for at least one major distributor within 6 months of the December 31, 2027 confirmation deadline (i.e., by 2028-06-30); if quoted lead times for mainstream GRM equivalents remain at or below 8 weeks at that date, this forecast is wrong. XAIPART analysis

Facts are as reported by the cited source. The design-in, sourcing and forward-looking statements above are XAIPART's analysis, not the source's claims. The customer notification is a single-source, circulating report: Murata's own announcement has not been independently verified, the count of affected part numbers is not disclosed, and the TrendForce figures are secondary market data.

Corrections: none at publication. This brief will be updated with a timestamp if the source corrects its report.

Dated developments, extracted from this page's timeline (curated milestones = hollow markers).
Timeline of dated developmentsDated entries: 2026-06-30 June 2026 - TrendForce reported bo…; 2026-07-01 2026 - TrendForce published the bo…; 2027-12-31 31, 2027 - Deadline for customers …; 2028-03-31 31, 2028 - Reported last order dat…; 2029-03-31 31, 2029 - Final shipments through….2026-06-30June 2026 - TrendForce reported bo…2026-07-012026 - TrendForce published the bo…2027-12-3131, 2027 - Deadline for customers …2028-03-3131, 2028 - Reported last order dat…2029-03-3131, 2029 - Final shipments through…

替代品與生命週期

已建檔的替代品——目錄範圍，並非市場排名
零件關係生命週期依據
— 檔案中無替代品 需要資料 — 需要 match_type 在任何前代標籤出現之前

「前代」與「替代」標籤僅來自已記錄的相符類型、生命週期狀態或來源文字。未記錄相符項目時，不顯示任何標籤。我們自家的刊登內容不構成市場參考。

值得關注

可證偽預測 — 門檻、時間窗與目前狀態。已證偽的預測仍保留可見。
主張門檻作者狀態
XAIPART expects qualified alternate-source demand for mainstream GRM-family capacitance/voltage/size combinations to rise sharply, and lead times for selected general-purpose MLCC replacements to exceed 12 weeks for a... quoted lead times for mainstream GRM equivalents remain at or below 8 weeks at that date Pending

事後證明錯誤的預測會保留可見並加以標記。我們不會刪除。

受影響零件

無目錄相符項目。 此消息未對應到 XAIPART 目前上架的任何零件。我們不會推測相符項目，也不會顯示佔位清單。

各維度成本壓力

Source: FRED · Generated · reference output z and composite are algorithm outputs, not a fetch snapshot

Cost pressure by dimension — composite stateDiverging bars for three dimensions around a zero midpoint. Input Cost has no reading; Supply Demand z -1.4711, notable; Fx Energy z 0.1243, neutral. Composite index -10.1, band neutral.0Input costno readingSupply/demandz −1.4711 · notable46 dFX & energyz +0.1243 · neutral5 dcomposite −10.1 · neutral−100 · −40 · −15 · 0 · +15 · +40 · +100
Underlying values — copyable for verification.
DimensionFRED series IDUnitLagAs of
Input costPCOPPUSDM, PALUMUSDM, PNICKUSDMUSD/mt52 d
Supply/demandPCU334413334413, IPG3344Sindex(1982=100) / index(2017=100)46 d
FX & energyDEXCHUS, DCOILBRENTEU, DHHNGSPrate / USD/bbl / USD/MMBtu5 d

No free authoritative interface for: gold · silver · rare earth · polysilicon · lithium carbonate · market share — listed rather than approximated.

本內容的產生方式

流程證據 — 擷取、來源合理性、模型與閘門
此簡報的稽核軌跡
Source fetched Electronics Era · electronicsera.in · 4,138 chars
Source sanity (S1) ok — passed before any model call (no s1_ block recorded)
Model / prompt glm-5.3-flash · prompt Blog Agent - News Summary (v2.8-final) · 6,869 tokens · 34s · run completed
Gate verdict hold · 5/6 applicable checks passed · spec v2.9 · C10 ratio 0.047301 · C10 rounds 0
Time contract 5 <time datetime> values in this brief — 0 violations (+08:00 or date-only)

上述每一列皆由流程產生，並非人工撰寫。

編輯評分

確定性閘門結果 — 純 PHP，判定過程無模型參與
閘門評分明細 6 項適用檢查， 5通過： 83 百分比. Hold items: C13 (falsifiable forecast), C15 (four views + no restating), C16 (forecast substance), C19 (factor consistency) — sent to human review. Gate spec: v2.9 (S0 + S1 + C1–C20) · Source affinity (C20): 0.9222. 適用檢查已通過 5 / 6 = 83% · 判定： hold Hold items: C13 (falsifiable forecast), C15 (four views + no restating), C16 (forecast substance), C19 (factor consistency) — sent to human review Gate spec: v2.9 (S0 + S1 + C1–C20) · Source affinity (C20): 0.9222 是否發布由審核關卡決定。獨立稽核分數僅供參考。

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來源

  1. Murata MLCC changes point to a shift in component supply — https://electronicsera.in/muratas-mlcc-changes-point-to-a-shift-in-component-supply · rss · 存取於

事實標記為 S1/S2，並可追溯至連結來源。標示為 分析 是 XAIPART 自身的推理，與報導事實分開保留。來源連結會被追蹤，而非 nofollow ——署名為刻意為之。