Web绝缘材料的cti 相比电痕化指数(CTI)是用来对绝缘材料的绝缘性能进行评价的等级参考,CTI数值越大,代表绝缘性能越好; 对BMS实际应用来说,涉及到的绝缘材料主要是PCB、器件材料和壳体材料;一般通用的要求是PCB的CTI≥175,其他材料CTI≥600。 WebDie Kriechstromfestigkeit wird mit dem CTI-Wert (englisch Comparative Tracking Index) bestimmt und mit dem PTI-Wert (englisch Proof Tracking Index) geprüft.Der CTI-Wert sagt aus, bis zu welcher Spannung, gemessen in Volt, das Basismaterial kein Tracking (Basismaterial wird unter Spannung leitfähig) zeigt, wenn 50 Tropfen genormter …
『CTI(比較トラッキング指数)』とは?PTIとの違いや材料 …
WebStandard FR4: as its name indicates, this is the standard FR-4 with heat resistance of the order of 140°C to 150°C. High TG FR4: this type of FR-4 has higher glass transition (TG) of around 180°C. High CTI FR4: … http://ximeconn.com/cn/Article/show/152.html bucks mind groups
What is PCB CTI? - Printed Circuit Board Manufacturing & PCB ..…
WebThis method is used to assess the relative resistance of insulating materials to tracking. Contact us. Home. Services. Comparative Tracking Index (CTI) IEC 60112. Test specimen. ≥20 mm x ≥20 mm x ≥3 mm. Test voltage. Between 100 V … WebFeb 3, 2024 · Materials that have a high CTI value have a lower required minimum creepage distance and allow a shorter distance between two conductive parts. The shorter distance allows the use of high density circuits in a high voltage environment. ... Although FR4 laminates have a high breakdown voltage, the weaker structure and porosity of FR4 can … WebTIMI 4 compared the efficacy of front loaded tPA vs. APSAC vs. the combination of reduced dose tPA and APSAC for treatment of patients presenting within 6 hours of onset of ST … creeping weed with yellow flowers