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Standards Interpretation

Standard clauses translated into engineering language: how to read the limits, how to choose test conditions, how to prepare samples, and where the common misunderstandings are. Every article comes from a real project.

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车规级可靠性测试有哪些项目？温度循环 1000 小时没裂的件，装车却漏在温变速率

Standards Interpretation 2026-10-27 What does automotive reliability testing cover? Parts that survived 1000 h temperature cycling still failed on ramp rate in the vehicle. 同一批车载控制板，企业自己按通用温度循环摸底全过、1000 … 阅读全文

Standards Interpretation 2026-10-27 Automotive vibration testing: sine sweep passed, so why did the part crack in the vehicle? 同一批车载域控制器，研发按 GB/T 2423.10 做了正… 阅读全文

整舱辐射抗扰过了，单端口直注射频却超标——汽车电子EMC整改得看 ISO 11452-7

Standards Interpretation 2026-10-26 Whole-chamber radiated immunity passed but direct RF injection at one port failed - see ISO 11452-7 for automotive EMC remediation. 标题: 整舱辐射抗扰过了，单端口直注射频却超标——汽车电子E… 阅读全文

Standards Interpretation 2026-10-26 How is leather interior ageing tested? Steering-wheel flex resistance and coating cracking. 汽车内饰真皮件（方向盘、座椅、门板扶手段）看着只是面子工程，… 阅读全文

Standards Interpretation 2026-10-26 Automotive EMC remediation: don't reach for ferrite rings first. Pre-compliance passes but in-vehicle retest fails - the gap is diagnosis, not components. 同一批车载控制板，企业自己按 CISPR 25 摸底全过，装… 阅读全文

Standards Interpretation 2026-10-26 Automotive high/low temperature testing: in-house tests pass, so why do hot-zone parts crack after two years in the vehicle? 汽车电子高低温试验，是汽车电子环境可靠性测试里最容易低估的一… 阅读全文

Standards Interpretation 2026-10-25 Automotive EMC remediation: BCI drops frames at 60 mA - treat the harness or the board first? 标题: 汽车电子EMC整改：BCI 注入到 60 mA 就丢… 阅读全文

Standards Interpretation 2026-10-25 How to judge delamination of IMD/INS film trim after ageing, and cracking of injected trim strips? 迈科检测在汽车零部件检测里，膜片饰件老化脱层是近几年较常见的… 阅读全文

汽车电子EMC测试标准与项目：CISPR 25 只管测法，限值归 UNECE R10

Standards Interpretation 2026-10-25 Automotive EMC standards and items: CISPR 25 defines the method, UNECE R10 sets the limits. 同一批车载控制板，企业自己按 CISPR 25 摸底全过，装… 阅读全文

信号线没接电源却扛不住瞬态？汽车电子EMC整改认的是 ISO 7637-3 耦合钳

Standards Interpretation 2026-10-24 Signal lines with no power supply still fail transients? Automotive EMC remediation follows ISO 7637-3 coupling clamps. 汽车电子EMC整改里，最容易被漏测的是信号线耦合瞬态。见过同… 阅读全文

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