News

  • Precautions For Thyristor Using At Low Temperature Application

    There is a very close relationship between the parameters of the thyristor and the environment. When working in high altitude and low temperature environments, users need to pay attention to reasonable application to ensure the device reliable working. When used in application at high altitudes a...
    Read more
  • A PLEASANT TRIP

    A PLEASANT TRIP

    In order to enhance the relationship between colleagues and allow employees to relax during their busy work, Jiangsu Yangjie Runau Semiconductor Company specially organized a short distance tourism in December 2023. This trip will lead us into the beautiful natural scene...
    Read more
  • OUR HEARTS ARE TOGETHER

    OUR HEARTS ARE TOGETHER

    On December 18, 2023, a 6.2 magnitude earthquake occurred in Jishishan County, Linxia, Gansu Province, causing certain degree of casualties and property damage. At this critical moment, Jiangsu Yangjie Technology Company quickly took action and donated a large amount of materials to support the d...
    Read more
  • PRODUCTION STANDARD OF ZW SERIES WELDING DIODE

    PRODUCTION STANDARD OF ZW SERIES WELDING DIODE

    The normative references which applied by Jiangsu Yangjie Runau Semiconductor Co in the production of welding diode were at following: 1. GB/T 4023—1997  Discrete Devices Of Semiconductor Devices And Integrated Circuits Part 2: Rectifier Diodes 2. GB/T 4937—1995  Mechanical And Climatic Test Meth...
    Read more
  • INSPECTION AND PACKAGE OF ZW SERIES WELDING DIODE

    INSPECTION AND PACKAGE OF ZW SERIES WELDING DIODE

    Test methods and inspection rules 1. Batch by batch inspection (Group A inspection) Each batch of products should be inspected according to Table 1, and all items in Table 1 are non-destructive. Table 1 Inspection Per Batch Group InspectionItem Inspection Method Criterion AQL (Ⅱ) A1 ...
    Read more
  • Precautions for replacing thyristors

    The following issues should be noted when replacing thyristors: 1. When replacing the thyristors, the first thing to pay attention to is several faces: the two faces of a thyristor, and the face of the upper and lower radiator. First, paying attention to the surface can not have pits, hair, debri...
    Read more
  • Election of soft starting element of motor

    Motor power P=220KW Motor input voltage U=380V Three-phase power supply power calculation formula P=1.732*U*I*cosa The values of U and I are valid Usually when the motor starts, cosa=0.8 average current per phase IT(AV)=0.9*I Average advection IT1(AV) for each component =0.45*I The starting curre...
    Read more
  • Jiangsu Yangjie Runau Semiconductor Co., Ltd. barbecued in May

    Jiangsu Yangjie Runau Semiconductor Co., Ltd. barbecued in May

    Yangzhou, A beautiful city in the north of the Yangtze River, is not only home to the Slender West Lake, a world-class five-A-level scenic spot, extensive and profound Buddhist culture, but also there is excellent food in Yangzhou. Love your hometown from falling in love with Yangzhou food! In or...
    Read more
  • Consideration of voltage equalization in series components

    Consideration of voltage equalization in series components

    When components are used in series, voltage balancing is usually required. The circuit form of voltage balancing is shown in Figure below 1.In order to ensure that the voltage on the component is balanced, the current flowing through the voltage balancing loop is usually required to be more than...
    Read more
  • ASSEMBLE METHODS AND CAUTIONS OF POWER SEMICONDUCTOR HEATSINK

    The heatsink is the necessary device to cool the power semiconductor device such as disc type and module type thyristor and diode by forced air or water. In order to maintain the normal and reliable performance, it is necessary to choose a suitable heatsink and assemble it properly. The main meth...
    Read more
  • Influence of low atmospheric pressure (above 2000m above sea level) on safety performance of electronic products

    1,Insulation materials in the electric field will also be destroyed due to its insulation strength and lose due insulation performance, then there will be insulation breakdown phenomenon. Standards GB4943 and GB8898 stipulate electrical clearance, creepage distance and insulation penetration dis...
    Read more
  • Influence of low atmospheric pressure (above 2000m above sea level) on safety performance of electronic products

    At present, the international standards for information technology equipment and audio and video equipment are IEC60950, IEC60065, their application scope is 2000m above sea level below the area, mainly in dry areas and temperate or tropical climate conditions to use the equipment, and the high a...
    Read more
123 Next > >> Page 1 / 3