SAFETY NEWS
Providing the latest product safety knowledge and techniques monthly.
2026年7月 (第381期)
一、 印刷電路板上平板變壓器(Planar transformer)的耐溫判定
由印刷電路板(PWB)與鐵芯(Ferrite core)組成的平面變壓器,設計上具有高功率密度、低漏感、低損耗等特性,在高功率需求的AI Server 的運用上,有明顯的優勢。特別是NVIDIA 在Vera Rubin / Rubin Ultra 世代後與OCP(開放運算計畫)的HPR V4*公告後,確定導入800V DC (+400VDC),平板變壓器使用在對應的DC/DC Power 或DC/DC Converter會越來越普遍。
* POWER ARCHITECTURE EVOLUTION IN DATACENTERS詳見白皮書,並節錄Planar Transformer參考圖如下
平板變壓器與傳統繞線式變壓器,在其溫度測試判定上需特別留意以下差異:
1. 若平板變壓器使用的是UL ZPMV2認證的印刷電路板,且正常操作溫度未超過該材料的「最高操作溫度(MOT)」,則不需要再額外進行IEC 60085或UL 1446的絕緣系統評估。
2. 在執行變壓器過載測試(Transformer Overload)時,溫度的判定標準為以下兩者中的「較高值」:
(a) 該印刷電路板材料的ZPMV2 MOT
(b) Class A絕緣等級的溫度限制,即150 °C
二、 印度BIS年費修改
印度標準局(BIS)在 2026 年 2 月 25 日 正式發布了最新的《2026年 BIS(合格評定)修訂條例》。不論您的證書總有效期限是幾年,證書年費(含Annual Fee / Annual Resource Fee以及最低標誌費Minimum Marking Fee)都必須改為「逐年、提前預繳」。
首次發證:必須在發證時直接繳交第一年的費用。
證書維持:每年在規定期限(到期日)前,必須主動提前繳交下個年度的年費,並同時提交年產量報告(Production Details)。
BIS引入自動化的處置流程,一旦逾期未繳費或未提交產量報告,將會面臨以下後果:
自動暫停(Automatic Suspension):
只要錯過截止日,證書會立即進入為期 90 天的暫停狀態(過去一般不合規可能還有 21天的通知期,但新規定明確指出「未繳費」將直接適用暫停條款,不適用21天通知)。90天內補救:
在暫停的90天內,廠商若想恢復證書,必須補齊所有欠繳的年費,並額外加繳 5,000 盧比的滯納金(Late Fee)。自動取消(Cancellation):
如果進入暫停狀態超過90天,廠商仍未補繳費用與罰款,該張 BIS 證書將會被正式取消(Cancelled)。一旦證書被取消,就必須重新走一整套全新的申請與測試流程。
三、 澳洲出版最新標準AS/NZS 62368.1:2026
澳洲標準協會(Standards Australia)於 2026 年 3 月 6 日正式出版 AS/NZS 62368.1:2026。本版標準係對應國際最新標準 IEC 62368-1:2023(Ed 4.0),旨在取代現行的 AS/NZS 62368.1:2022(對應 IEC 62368-1 Ed 3.0)。
因應此項重大標準更新,相關合規與認證時程規劃如下:
雙規並行期(2026年3月6日至2029年3月6日): 新舊版本標準同時有效。此階段申請 RCM 認證,主管機關仍接受依據 2022年版(IEC 62368-1 Ed 3.0)出具之測試報告。
強制執行期(2029年3月6日起): 2022年版標準正式失效。凡新申請或涉及證書變更之產品,一律須符合 AS/NZS 62368.1:2026 之要求。
另一方面,針對插牆類產品(Plug-in product),最新完整版標準 AS/NZS 3112:2025 已於 2025 年 11 月 21 日發布並取代 2017年版。該標準規定之法規轉換期截至 2027 年 11 月 21 日。逾期後,2025年版將成為唯一執行之法規依據,相關製造商需密切留意法規更迭時程以調節供應鏈。
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