Profile Log out

Fr4 cti

Fr4 cti. S1150G. The high value of CTI material is about 600 which helps the material resist and handle the harsh conditions. 4mm, and so on. In the standard, there is a table for clearances and creepages, which depends on working voltage, pollution degree and dielectric properties (CTI/comparative tracking index). It is mainly used for electrical applications, such as circuit boards and insulators. しかし、汎用性が高く、信頼性があるため、よく使用されます。. 10. 5mm 0. May 18, 2021 · Standard FR4: as its name indicates, this is the standard FR-4 with heat resistance of the order of 140°C to 150°C. 004, a fourth of FR4 Aug 6, 2021 · The FR4 Thermal Conductivity Overview. Availability. General Information. CTI: The Comparative Tracking Index Test The Comparative Tracking Index (CTI) is the maximum voltage, measured in volts, at which a material withstands 50 drops of contaminated water without tracking. highTg 재료는 저 열팽창 뛰어난 내열성을 소유하고 있다. Fr4 Tg150 has amazing resistance to electrical current, making it an ideal PCB material. 1. Order the right cpus for your customers' needs from our suppliers. FR4 1. FR4 sin cobre laminado : ideal para placas aislantes, plantillas y porta tarjetas Más adelante encontrará más detalles sobre las características de estos diferentes materiales en el artículo. Standard profile copper 1. May 1, 2023 · The value of CTI helps to define how much resistance board materials show for different electrical conditions like moisture and leakage on board. 0mm, 2. FR4 with no laminated copper: ideal for insulation plates and board supports. Prepreg Parameters Prepreg-Kenngrößen AABUS AABUS 1. 6mm specimen, while the Tg is for specimen≥0. 4. Insulation plates and board supports are excellent for FR4 without laminated copper. Properties of FR4 Material High TG FR4: This FR-4 has a higher glass transition (TG) of approximately 170°C. PCB Assembly, Printed circuit board assembly. Learn about the different types of FR-4, such as high TG, high CTI, and no laminated copper, and their advantages and applications. The solder mask material may be unknown, thus, is classified as Metarial Group IIIb by default. It’s versatile material and have a balance between cost and performance. This is the voltage difference at which the insulation properties of the base material may break down, causing safety and performance issues. The CTI is a unit of measure for the tracking and dielectric strength of insulating materials and is used as a benchmark for Sep 7, 2020 · Standard FR4: as its name indicates, this is the standard FR-4 with heat resistance of the order of 130°C to 150°C. multifunctional laminates with a Tg of 140 °C (DSC) exceptionally consistent laminate quality due to exclusive use of Nan Ya's raw materials. 7 Jan 17, 2022 · Standard FR4: It is known for its heat resistance of the order of 140°C to 150°C. 6mm, 3 OZ for all layer Minimum tack: 10mil Minimum space(gap): 10mil Minimum hole: 0. 012mm(12μm) 0. Tracking is defined as the formation of conductive paths due to electrical stress, humidity, and contamination. In this article, you will find out more about: What does FR-4 Stand for? Beneficial Properties of FR-4 Substrate Limitations of FR-4 Circuit Board Materials For these designs, FR4 is not an ideal choice — FR4 has a higher Df, or dissipation factor, than high-frequency laminates. Specification sheet: IPC-4101/128, is for your reference only. Services. Excellent PCT performance and low water absorption, high heat and humidity resistance. 0(R-1766)と同等の特性・加工性を有しています Comparative Tracking Index (CTI) 3 (175-249) Class (Volts) UL 746A ASTM D3638 Peel Strength: A. Single layer printed wiring boards. 50mm. NanYa FR4-86. 0) 1. FR4 without laminated copper: ideal for insulating panels and board supports. FR-4 with no laminated Copper Garolite G10 is a laminate, composite material consisting of fiberglass and epoxy. High CTI Value (CTI over 600 V need special request) Suitable for punching at 40-70 ᵒ C. Another FR4 material compatible with lead-free reflow technology is halogen-free FR4 material. What thickness options are available for FR4 boards? FR4 boards come in various thickness options including but not limited to, 0. The resilience of a high voltage PCB material over time is related to both the resin content and the curing agent. KB-3151C / 3151S / 3151HS / 3152 C / 3153. common PTH process parameters results in very good through hole reliability and copper foil peel strength. High CTI FR4: The index of this type of FR4 goes beyond 600V. Ø Component compatibility: The amount of CTI / PTI indicates how resistant the material against environmental influences is. 고온에서도 안정적인 기계적 특성 때문에 ass'y 특성이 뛰어나다. 0mm This method is used to assess the relative resistance of insulating materials to tracking. This material meets the IPC4101/21 slash sheet and has excellent UVB to prevent light transfer during imaging. High CTI FR4: Comparative Tracking Index higher than 600 Volts. Among these are materials with a range of dielectric constants, low dissipation factor, and controlled mechanical properties. アナログ回路・基板 設計製作. When it comes to really little LED real estate, filled-up micro vias guarantee a straight metal link to heat-conducting copper components, which can be affixed May 9, 2022 · This FR4 material is compatible with lead-free reflow technology. Note: For cores 0. 9. FR4 without Copper Laminate : This non-conductive FR4 variant offers substantial mechanical strength and is tailored for insulating boards and board cti≧600v 絶縁信頼性 低誘電特性 両面銅張 r-1786 片面銅張 r-1781 ガラスコンポジット基板材料 優れた耐トラッキング性(cti≧600v)・耐caf性・板厚精度。 独自の製造工法により当社製造工程中のco₂排出量を1/4に 低減します。(当社汎用fr-4(r-1705)比) 一般特性 FR4 is the common used material in PCB manufacturing. The maximum working voltage of an isolated system depends on a number of parameters according to IEC 60950. Mar 2, 2022 · According to the CTI level of insulating materials, UL and IEC in the United States divide them into 6 grades and 4 grades respectively, see Table 1,UL Certification Copper Clad Laminate PCB Board FR4 Sheet for PCB, and CTI≥600 is the highest grade. The Df of FR4 is around 0. The Isola and Nan Ya FR4 materials meet the requirements of Class 3 (175 – 249 V). Ausdehnungskoeffizient z-Achse 2. These include creepage distance, pollution degree, and material group. High CTI FR4: Its Comparative Tracking Index is higher than 600 Volts. E-Glass styles: 7628, 1506, 1500, 2113, 2313, 3313, 2116, 1080, 1086, 1078, 106 &1067, etc. 3. issued: 2008/03/01 370HR is the industry's “best in class” lead-free compatible product for high-reliability applications across a wide range of markets. 耐トラッキング性に優れています(cti≧600v) 絶縁信頼性(耐caf性)に優れています 高周波特性を有しています 板厚精度に優れています 用途 インバータ電源基板、エアコン、洗濯機、冷蔵庫、 パワーコンディショナー、アンテナ基板など . Low profile copper foil and very low profile copper foil all copper Compatible with FR-4 fabrication processes. IS410 Lead-free Epoxy Laminate and Prepreg IS410 is a high-performance FR-4 epoxy laminate and prepreg system designed to support the printed circuit board industry’s requirements for higher levels of reliability and the trend to use lead‑free solder. Aug 23, 2022 · FR-4 is the most common dielectric material for printed circuit boards, with flame retardant, electrical, and mechanical properties. 3mm 0. Feb 3, 2020 · The CTI is the maximum voltage measured in volts at which a material withstands 50 drops of contaminated water without forming conductive paths because of electrical stress, contamination, or humidity. Découvrez notre guide sur le FR4. High CTI Laminates, Tg 140 °C (DSC) Exceptional consistent laminate quality due to exclusive use of Nan Ya’s raw materials. We would like to show you a description here but the site won’t allow us. Para. E243157. 5) 0. 无卤 fr4 pcb 不含卤素化合物,或含有极低(且可忽略不计)的卤素化合物。 鉴于卤素的毒性以及世界各地用户转向更安全的电路板,这种类型的 fr4 pcb 材料如今已成为常态。 无铜fr4 Jun 15, 2019 · 1. Jan 29, 2021 · Insulating Material Group I: 600 ≤ CTI; Insulating Material Group II: 400 ≤ CTI < 600; Insulating Material Group IIIa: 175 ≤ CTI < 400 (FR4) Insulating Material Group IIIb: 100 ≤ CTI < 175; A high CTI value allows components to be placed extremely close together to save space, as safety clearances can be minimized. 6mm thick consists of 8 layers of # 7628 fiberglasses. Find out how to choose the right thickness and material for your PCB design and production. CEM-3は、FR-4よりも耐久性は劣りますが、. Apr 2, 2016 · PCB线路板CTI数值、等级、模型及测试比较. > High Tg FR4 > Phenolic Cure System & Lead Free Compatible > Excellent Thermal Reliability > CAF Resistance > UV Blocking > Low Z-CTE. Test specimen. However, both IIIa and IIIb are the worst kinds of insulators, and the standard gives the same creepage distance requirements. Alibaba. A thermally enhanced layer framework additionally makes sure quick warmth dispersing and also, therefore, sustains the whole thermal principle. See Overview of CTI / PLC. tung hwa n. road, taipei, taiwan. After thermal stress 2. Rogers laminates are generally used in high-speed, commercial microwave, and radio frequency applications. High TG FR4: this type of FR-4 has higher glass transition (TG) of around 180°C. SHENGYI TECHNOLOGY — HF-FREE, Lead-Free Compatible FR-4 PRODucts. VT-47. The tracking resistance of PCB copper clad laminates is usually expressed by the comparative tracking index (CTI). 005”, it is recommended to use the reverse treated copper due to the low profile. Unless otherwise noted, the CTI (Comparative Tracking Index) which indicates the tracking resistance, is PLC3 (175V - 250V) for rigid PCBs. high luminance of epoxy contrast with copper for laser type AOI. FR4 without copper laminate: FR4 without copper laminate is a non-conductive material with excellent mechanical strength. 覆铜板的耐漏电起痕性通常用相比漏电起痕指数(Comparative tracking index,简称CTI)表示。. 035mm(35μm) 0. 在覆铜箔层压板 (简称覆铜板)的诸多性能中,耐漏电起痕性作为一项重要的安全可靠性指标,已越来越为PCB线路板设计者和线路板 ดัชนีติดตามเปรียบเทียบ (CTI) เป็นขอบเขตที่วัสดุฉนวนของ PCB สามารถต้านทานกระแสที่ไม่ต้องการไหลระหว่างร่องรอยบนกระดาน เป็นการ Data sheet FR-4-86 UV BLOCK. 020, while the Df of most high-frequency laminates is around 0. Among the many properties of copper clad laminates (referred to as copper clad laminates), tracking resistance, as an important safety and reliability indicator, PCB with Clad Copper laminates FR4 TG>180은 PCB 회로 기판 설계자와 회로 기판 제조업체에서 점점 더 Jun 1, 2011 · Improving the Comparative Tracking Index allows smaller packages to achieve high working voltages. However, I am a bit confused about the two columns: Printed wiring boards CTI >= 100 VS Material Largement utilisé dans la fabrication de PCB, le matériau FR-4 possède des caractéristiques avantageuses pour un coût réduit. このFR4の板を基材として、これに 銅 箔を貼付けたものが「ガラスエポキシ Jan 10, 2024 · FR4 can typically handle temperatures up to 130°C. The dielectric strength of Fr4 Tg150 is 800 volts/mil, far higher than FR-406 and FR-408. 15) 材質の特徴としては、. Type dsg: FR4. Learn about the properties, benefits and types of FR-4, a standard glass-reinforced epoxy resin laminate for printed circuit boards. Test method is according to IPC-TM-650. This means FR4 circuits will suffer more signal loss than an identical circuit on a high-frequency laminate. Aug 23, 2019 · Remarks: 1. 070mm(70μm) 0. Sharing the high CTI PCB material specification parameters of shengyi S1600 FR-4 PCB. Low Z-axis CTE for reliable plated through-hole quality. 흡수 후 절연 저항 및 열적 저항이 유지된다. PCB 제작회사에서는 고객의 재료에 대한 요청이 없을 경우 원가를 nan ya plastics corporation electronic materials division. Unlike PTFE based high performance materials, RO4000 CTI IEC60112Method V PLC3(175~250) PLC3(200V) Specimen thickness: 1. ≥20 mm x ≥20 mm x ≥3 mm. 1. FR4 without copper: This type of FR4 is suitable for insulating plates, and it can support the circuit board. 担当営業にお問い合わせください。. 専用工具や機械がないと加工が難しいです。. It’s Insulation Resistance (IR) and Dielectric strength are superb, allowing it to withstand voltage changes. 5) 1. 7 5. They offer superior dielectric constant and temperature stability when compared with standard FR4 materials. 定格 公称厚さ 厚さ許容差 銅箔厚さ 0. 35Kg/m) less than standard foil. 19 3. FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant ( self-extinguishing ). Comparative Tracking Index (CTI) Kriechstromfestigkeit - - PLC / V ASTM-D-3638 - Unit Test Method Ref. The table below defines comparative tracking index values for PCB material selection. Read 4 common PDN design challenges and how to resolve them to learn how to improve the efficiency of power distribution in high-voltage circuit boards. 90 (5. 1mm 0. Low profile copper foil and very low profile copper foil all copper foil >17 μm [0. 5mm 12 m ,18 m 35 m,70 m 105 m 1093*1245mm Ä43 Å*49 Å Å 940*1245mm Ä37 Å*49 Å Å 1042*1245mm Ä41 Å*49 Å Å KB-6160:150V KB-6160A:175V KB-6160C: 600V Note: Other sheet size and thickness could be available upon request. Manufacturers uses the CTI to compare the performance of insulating materials under wet or contaminated conditions. The peel strength for RT foil is ≈1-2lbs/in (0. There are six categories from 0 to 5 based on the breakdown value of the material. FR4의 기본 CTI 값은 175이며 특수 재료의 경우 최대 600입니다. KB-6160A is an excellent value laminate for standard double sided PWB manufacture. 8) Thermally robust - lead free soldering compatibility. That is the reason why FR4 material is widely applied in single-sided, double-sided, and multi-layered boards. FR4 High CTI: Tracking Index (o IRC en francés para el índice de resistencia al recorrido) superior a 600 voltios. 25mm Surface finished: Lead Free HASL Panel size: 260*120mm/1up Characteristics: Heavy copper printed circuit board, High CTI industrial control  耐トラッキング性とは何か、耐トラッキング性の規格、CTI、PTIとの違い、耐トラッキング試験について解説しました。. It is strong, resistant to oil and water but will break down if exposed to UV for too long. 2. It can only be machined by a certain amount of shops, this lead to a higher than Nov 18, 2018 · Also, given a high-CTI coating, due to the dependence on material thickness, to get the high-CTI rating for the whole product, the coating either 1) needs to have a high enough thickness, or 2) the base material will also need to be high-CTI. Feb 10, 2021 · For example, conventional FR4 has a comparative tracking index of 175 to 249V, which places it in category 3. 耐トラッキング性についてご理解頂けましたでしょうか。. 8mm 1. As per the IEC-60112 standard, a higher CTI-grade substrate offers good resistance to electrical breakdown. Aug 7, 2021 · FR4 with a high glass transition (TG) of roughly 180°C is a high TG FR4. Category 5 is the lowest, with values less than 100 V. High CTI FR4 material used in marine applications and aircraft. 225 (7. PCB线路板CTI数值、等级、模型及测试比较. High luminance of Epoxy contrast with Copper for Laser Type AOI. Between 100 V and 600 V (50 Hz) in 25 V steps. Foiled fiberglass FR 4 is used to produce printed circuit boards for a wide range of military pcb, telecommunications, industrial, and instrumentation equipment. After process solutions 1. Please note that the higher the TG Standard FR4 material has a CTI of > 175V, extra leakage resistant variants even have a CTI of > 400V up to >600V. High TG FR4: It has a higher glass transition (TG) of around 180°C. The occurrence of errors due to leakage is minimized. Common PTH process parameters result in very good through hole reliability and copper foil peel strength. RO4000 series material has a Tg of >280°C (536°F) so its expansion characteristics remain stable over the entire range of circuit processing temperatures. Copper Foil: 1/4oz to 12oz. Application of FR4 PCBs. Ø CTI FR4 high: Comparative Tracking Index more than 600 Volts. Name: High CTI printed circuit board Part No. It’s capable of enduring the high temperatures of soldering processes used in PCB assembly. High TG FR4: this type of FR-4 has a higher glass transition (TG) of around 180°C. Jul 27, 2021 · I am making a pcb layout that is required to comply with the IEC 61010-1. Mechanical and heat resistance properties are ideally suited for manufacturing reliable quality rigid PWBs. 3. ※기억해두세요. 2mm, 1. Prepregs are available in roll or panel form. Here you will find a number of different laminate materials used to fabricate printed circuit boards for advanced electronic applications. All the typical value is based on the 1. 2mm, 0. Some materials are priced for low-cost May 13, 2023 · High Dielectric Strength. Aug 30, 2022 · The standard FR4 PCB has a heat resistance of almost 248 ° F to 266 ° F. Dec 26, 2021 · FR4 laminates can be used at the lower end of what would be considered high voltage PCB design as they have low CTI values (~200-300 V DC) despite their high breakdown voltage values. 1) 高CTI FR4 PCB. 6mm 0. 0 %. 8mm. comを運営するシスプロは、アナログ回路・基板 Mar 4, 2020 · Comparative Tracking Index (CTI) The Comparative Tracking Index (CTI) is an important metric in electrical engineering that evaluates the resistance of insulating materials to electrical discharges and breakdown behavior. Cond Width Min (mm) Cond Width Edge (mm) Cond Thk Min (mic) KB FR 1. Excellent mechanical processibility and thermal Feb 29, 2024 · The unique properties of High CTI FR4 make it an ideal choice for use in industrial settings where high-voltage environments and harsh operating conditions are prevalent. FR4 material with a normalized comparative tracking index (CTI) greater than 400. That is, it is possible to have a high-CTI product if only the solder mask is high-CTI (depending on 370HR laminates and prepregs, deigned by Polyclad, are made using a patented high performance 180°C Tg FR-4 multifunctional epoxy resin system that is designed for multilayer Printed Wiring Board (PWB) applications where maximum thermal performance and reliability are required. Comparative Tracking Index (CTI) IEC 60112. The glass transitional temperature material often comes as a burn-resistant material, distorting/melting at specific temperature ranges. 2. Guide Information. A tg150 PCB comes as medium TG material because it falls above the range of 130 degrees Celsius to 140 degrees Celsius yet below the 170 degree Celsius equivalent or higher. 1 Nanshan Road, Songshanhu Park, DongGuan Guangdong Sheng 523808 CN. It has a comparative tracking index higher than 600 Volts. PS: TG value of FR4 sheet: also called glass transition temperature, generally 130°C, 140°C, 150° C, 170°C. Wide range of DK available (2. * PLC 3 = 175V - 249V, ISOLA recommends the value of 200 for calculations ** High Tracking Resistance - Standard: PLC 1 ≥ 400V, on request PLC 0 ≥ 600V *** Recommended operating temperature: standard 105°C, on request 210 °C (Arlon) If you need a special material (e. Feb 13, 2024 · The default CTI value for FR4 is 175 and goes up to 600 on special materials. 3の方法で10ヶ所測定したときに9ヶ所以上は上記に規定の許容差範囲にあるものです。 Regular FR4 PCB: It is a standard FR-4 PCB with a heat resistance of about 130°C and a CTI value of 175. High TG FR4: It has a high-glass transition value, such as 180 degrees Celsius. Its minimal water absorption characteristic makes it Aug 11, 2017 · The CTI is expressed as a voltage and is determined by a standardized test measuring when the surface of the material breaks down. 2mm 0. Contact us. copper clad laminate department no. Aug 26, 2022 · Standard FR4: Its heat resistance goes up to 140-a50 degrees Celsius. : H0214140005A Layer count: 4 Material: FR4 , CTI>600, 1. 201. 6mm. Unit 4, Building 4, No. FR-4は、非常に硬く、耐久性が非常に高い反面、. 注) 厚さはJIS C 6481 5. Aug 26, 2021 · Most FR-4 circuit board substrates have a CTI of 175 or greater, and belong to Material Group IIIa. 6-. High CTI FR4: Comparative tracking index above 600 volts. Suitable for double-side application by silver through hole. com is proud to have a large selection of the latest wholesale fr4 cti. 8mm, 1. Well controlled dielectric constants (Dk) Above-average thermal conductivity (. Guangdong Hetong Technology Co Ltd. 8 4. FR4 with no laminated copper: It is ideal for insulation plates and board supports. 6mm, 2. Dec 28, 2023 · The difference between CTI and PTI is that CTI is the maximum voltage at which arc tracking damage does not occur by changing the applied voltage, while PTI only indicates whether the material PCB Laminate Material Information. FR4 With High CTI: FR4 with high CTI (Chemical Thermal Interaction) has better thermal conductivity than regular FR4 material. How To Choose The FR4 600>CTI≧400: 250>CTI≧175: The sample thickness is 0. 값이 클수록 재료의 저항력이 커집니다. The higher the value, the more resistant the material is. 0mm, 1. Apr 29, 2022 · FR4 is the common used material in PCB manufacturing. CTI is a critical number when selecting a PCB material. CTI / PTI 값은 PCB 재료가 먼지 및 습기와 같은 환경 적 영향에 대해 얼마나 강한지를 나타냅니다. The CTI / PTI value is determined using standard test methods. The temperature for using this material is 120 – 130 ° C. 当社汎用FR-4. 018mm(18μm) 0. Reinforcement Verstärkung 3. High CTI FR4 is widely employed in a diverse range of industrial equipment, including but not limited to power distribution units, control systems, and motor drives. halogen-free, high-Tg, metal-core, BT epoxy or FR-4-86 PY. g. At 125ºC (257ºF) 3. FEATURES Lower Z-axis CTE, excellent through-hole reliability. High Quality PCB dedicated to excellent services, one stop service ( PCB layout + bare PCB + PCB assembly), prototypes service, mass production service. 14 (6. It is mainly suitable for insulating Materials for rigid circuit boards. Oct 26, 2020 · แผงวงจร Fr4 is fiberglass. ñ Å Ü ª Þ £ < ! Ô ¡ Z I ¦ ë Á Feb 4, 2024 · The figures following the letter symbols indicate with the first digit the duration of the preconditioning in hours, with the second digit the preconditioning temperature in degree Celsius and with the third digit the relative humidity. 24 3. This material has a Comparative Tracking Index of over 600 volts. Available at a fraction of the cost of conventional microwave laminates, RO4350B laminates do not require the special through-hole treatments or handling procedures as PTFE based materials. お問い合わせください。. パナソニックのハロゲンフリー多層基板材料 | R-1566, R-1566 (W), R-1566 (WN)に関する商品情報、ニュースをご紹介いたします。. CTI Value CTI å (yellow) 0. 55-6. Home. 4mm 0. Volatile content maximum Flüchtiger Anteil % 2. FR4 あるいは FR-4 は、Flame Retardant Type 4の略 [1] で、 ガラス繊維 の布に エポキシ樹脂 をしみ込ませ熱硬化処理を施し板状にしたもので、難燃性と低 導電率 を両立した素材である。. Conventional FR4 has a comparative tracking index ranging from 175 to 249 volts. It is the most common PCB material. RO4000 series laminates can easily be fabricated into printed circuit boards using standard FR-4 circuit board processing techniques. 在覆铜箔层压板(简称覆铜板)的诸多性能中,耐漏电起痕性作为一项重要的安全可靠性指标,已越来越为 PCB线路板 设计者和 温度定格、難燃性、cti、ダイレクトサポー ト等、他の要求事項および製品 ¡称に関して変更はございません。また、該当する銅張り積層板を使用した、ul 796にて評価済みのプリント基板に関して、再評価が要求されることはございません。 Sep 21, 2023 · It possesses superior thermal conductivity compared to regular FR4 material and boasts a Comparative Tracking Index (CTI) exceeding 600 Volts, making it adept at dissipating heat effectively. Superior electric properties under moisture condition. 669 mil] B. 4mm, 0. Rogers Corporation is a company that manufactures circuit board materials. On request, we are also able to produce PCBs with PLC 2 (> 250V), PLC 1 (> 400V) or PLC 0 (> 600V). Pollution degree, a measure of the surface contamination, is set by FR-4 (or FR4) is a NEMA grade designation for glass-reinforced epoxy laminate material. Tudo o que você precisa saber sobre o FR4 PCB, que também é o tipo mais comum de material para placa de circuito impresso atualmente. 8 Therm. RO4350B laminates provide tight control on dielectric constant (Dk) and maintain low loss while utilizing the same processing method as standard epoxy/glass. The material is the base for printed circuit boards used in consumer electronics and R-F775. Optimized cost and RF/ microwave performance. The CTI test provides an 因此,高 cti fr4 可以为泄漏情况下的不需要的电流提供更高的电阻值。 无卤fr4. Comparative Tracking Index (CTI) は、PCB 上のトラック間の電流の流れに対する絶縁材料の抵抗を測定します。最大 600 ボルトの高い CTI 値は、過酷な環境および電気条件に対する耐性が高いことを示します。 Comparative Tracking Index (CTI) Kriechstromfestigkeit - - - 3 / 175-249 PLC / V ASTM-D-3638 - LAMINATE REQUIREMENTS / ANFORDERUNGEN AN DAS LAMINAT Laminate Requirement Specification < 0,50 mm [0,0197 in] 0,50 mm [0,0197 in] Test Method (IPC-TM-650) Units Ref. The base material meets the specified electrical breakdown (tracking) or Comparative Tracking Index (CTI) value. PCB Assembly, Printed circuit board assembly, Electronics manufacturing service from Shenzhen, China for 20+ years. The manufacturer’s logo / designation of the red flammability class is located in the middle. Test voltage. Our Halogen-free materials are based on JPCA-ES-01-2003 standard and others. 05mm ~ 3. The measured values for the base material are grouped in Performance Level Categories (PLC) . 关于 FR4 PCB 您需要了解的所有信息,FRXNUMX PCB 也是当今最常见的印刷电路板材料类型。 Comparative Tracking Index (CTI) 3 (175-249) Class (Volts) UL 746A ASTM D3638 Peel Strength A. Computer, Communication Equipment, Instrumentation, Precise Apparatus & Instrument, Server, Router, Automotive, Medical, etc. Double sided diy prototype copper clad pcb par light pcb. The CTI is the measure of the electrical breakdown properties of the dielectric materials used in PCBs. The mandatory insulation levels for products are based on these CTI categories. In high temperature warpage and twist both less than 1. PCB覆铜板的耐漏电起痕性通常用相比漏电起痕指数 (Comparativetrackingindex,简称CTI)表示。. Application. CTI / PTI 값은 표준 테스트 방법을 사용하여 결정됩니다. 加工性はベークとエポキシ材 Conventional FR-4, Normal Tg. . Shelf Life, minimum Lagerfähigkeit (Condition 1 / Condition 2) 2. In this post you will learn the meaning, advantage, limition application and the Alternative PCB Materials. * at 1MHz, ** at 100MHz. Nov 22, 2022 · High CTI FR4 – FR4 with high CTI (chemical thermal interaction) has improved conductivity. °C 3. The default CTI value for FR4 is 175 and goes up to 600 on special materials. Factors to consider when choosing the thickness. zb co qg tp oa bg sp pm cs qq