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IC Substrate

IC Substrate

IC Substrate

IC Substrate

    Double sided PCB board for relay protection

    Model :  Double sided PCB board for relay protection 

    Material :  FR4

    Layer :  2Layers

    Color : Black/White

    Finished Thickness :  1.6mm

    Copper Thickness :  1OZ

    Surface Treatment :   OSP

    Min Trace :  8mil(0.2mm)

    Min Space :  8mil(0.2mm)

    characteristic : CTI600 PCB

    Application : relay protection pcb


    Product details Technical specification

    CTI is the relative leakage tracking index.

    Definition: the maximum voltage value, expressed in V, that a material surface can withstand 50 drops of electrolyte without forming leakage traces. CTI 600 refers to 600V.


    Resistance to electric leakage traces is generally expressed by comparative tracking index (CTI). The definition of CTI index in IEC 112 standard is the maximum voltage value (usually expressed in volts) when the material is subjected to 50 drops of electrolyte (generally 0.1% ammonium chloride aqueous solution) without leakage trace during the experiment. IEC950 also defines and classifies three CTI grades of substrate materials according to the different voltage values withstood by the substrate under the above experimental conditions. They are grade I (CTI ≥ 600V), grade II (600V ≥ CTI ≥ 400V), and grade III (400V > CTI ≥ 175v). Generally, the lower the CTI level of the substrate material is, the higher the leakage resistance of the substrate material is.

    pcb cit

    PCB CTI Grade

    As the carrier of various components and the hub of circuit signal transmission, PCB has become the most important and key part of electronic information products. The quality and reliability level of PCB determine the quality and reliability of the whole equipment. Due to the development trend of high density PCB and the environmental requirements of lead-free and halogen-free, more and more PCBs appear poor wetting, board explosion, delamination, and so on CAF and other failure problems. The acquisition of PCB failure mechanism and reason will be beneficial to the quality control of PCB in the future, so as to avoid the recurrence of similar problems.



    For pcb technical problems, ipcb knowledgeable support team is here to help you with every step. You can also request pcb quotation here. Please contact E-mail sales@ipcb.com

    We will respond very quickly.

    Model :  Double sided PCB board for relay protection 

    Material :  FR4

    Layer :  2Layers

    Color : Black/White

    Finished Thickness :  1.6mm

    Copper Thickness :  1OZ

    Surface Treatment :   OSP

    Min Trace :  8mil(0.2mm)

    Min Space :  8mil(0.2mm)

    characteristic : CTI600 PCB

    Application : relay protection pcb



    For pcb technical problems, ipcb knowledgeable support team is here to help you with every step. You can also request pcb quotation here. Please contact E-mail sales@ipcb.com

    We will respond very quickly.