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    ROHO connector limited is a well-known RF connector, RF cable assembleand microwave motion sensor manufacturing enterprises, as chinese high-techenterprises, roho set design and productionas one, has a first-class design and engineering team, is technology-orientedmanufacturing enterprises. We focus on design, production and sales. Technology is the core competition of us.     ROHO offers a complete range of RF connectors from small MMCX, SMP, MCX, ipex/ufl/mhf etc. To popular SMA, SMB, SMC, f, TNC, 2.9mm, 3.5mm, BNC and large 4.3/10, DIN 7/16, n, nex10, attenuator, termination-load-dummy, antennas and other male or female connectors. 18GHz/26.5GHz/40GHz connector/adapter/adapter, 18GHz/26.5GHz/40GHz low loss cable, etc. Products are mainly used in communications, radio frequency identification, automotive, medical, aerospace, data storage, network signal transmission, military and other field     We also focus on microwave sensor, intelligent lighting control. Roho is good at the microwave sensors inlighting control applications, our R&AMP D team members including the firstdomestic 5.8GHz microwave sensor R&AMP D team.     Excellent, innovative and professional services are our own mission. Our goal is higher speed, morereliability, and cost-effective connectivity solution. Roho promises to customers around the world with the best quality, cost-effective products and services!  
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  • 23

    Apr 2023

    The three outstanding performance of waterproof connector
        Waterproof connector is excellent products which is widely known. They are used in many areas.So what is the performance of them to support their market? they are mechanical property,electrical performance and environmental performance,which help them to keep the advantage of the market and made them stand out form the similar products.       First. The heat resistance.Today,The waterproof connector have good adaptability in both high temperature and low temperature.The highest temperature can up to 200℃(except few high temperature special waterproof connectors )The lowest temperature can be as low as -65℃. As is known to all. Because of the resistance,The equipment will produce many heat under the working condition of the electricity. cause the equipment heat up then. So the temperature we usually mentioned is consisted of environment temperature and contact temperature.We’ll show the highest temperature limits of the waterproof connector under the rated operational current.     Secondly. The waterproof connector can effectively adapt to the environment of salt spray resistance. General structural metal ,Contact surface may have electrochemical corrosion. Though we can’t avoid the working environment with salty and moisturity.We can improve the performance of the waterproof connectors to prevent the equipment are corroded.We test the performance of the connectors by smoke test .including we create Smoke atmosphere by use a certain concentration of NACl to compressed the air, General waterproof connectors can be up to 48 hours.     Thirdly. Vibration resistance and shock resistance are the vital parameter of the waterproof connectors.These two parameters are especially important in special environment.including aviation , spaceflight,railway,road transportation etc.These two parameters are the measuring ruler of the sturdiness and electric contact property. Usually in the impact experiment.The peak acceleration,time of duration and the time of impact pulsation waveform and electrical connectivity interruption.     Fourthly. The humidity of the environment. For waterproof RF connector to power supply. Somehow.The humidity may have impact of the waterproof connectors. But the ROHO waterproof connectors reduce this value to the least.General product are not influenced among the moderation 90%-95% .     Electrical Performance is the essential performance of waterproof connectors.In general. They include contact resistance,insulation resistance,dielectric strength etc.     The order of magnitudes of insulation resistance are hundreds of megohm to thousands of megohm.The contact resistance is from a few milliohms to tens of milliohms. The dielectric strength is the ability to withstand rated test voltage between the waterproof connector contacts or between the contact and the enclosure.which is generally can up to the standard value.     Lastly. Th...
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  • 16

    Apr 2023

    How to develop high-end miniature connectors in china
        The development of high density micro connectors has attracted the attention of many countries in the world. The developed countries like United States and Japan strengthen the research and development of high-end micro products and infiltrate its production gradually into developing countries including China .     In the past few years. China’s society and economic information is developing rapidly. The demand for high-end electronic equipment is booming. RF Connector foreign-funded enterprises are increasing. In order to improve the ability of  competition, China’s connector industry should actively strengthen the development of high-end miniature connectors. For China’s miniature connectors just get start with poor technical foundation and shortage of funds. We believe that the following counter measures should be taken. Establish economies of scale and group     The development of modern high-density micro IPEX connectors will not work, If there is no certain scale economy. Therefore, the current industrial pattern of repetition, Dispersion and small production should be led to the joint and gradually realize joint investment, intensive management. In accordance with the requirements of the modern enterprise system to establish a large group of companies with world-class competition to compete with foreign great competitors group. Pay attention to the investment of technology and talents     We must base on the progress of technology and optimize technical structure, intensify technological upgrading, Strengthening the renewal of technological equipment, Introduce advanced technology of high density connector from abroad, At the same time. We need to strengthen the ability of digestion and absorption. enhance the ability of independent development, We should also pay attention to the cultivation and utilization of talents and fully mobilize the enthusiasm of scientific and technological personnel. Products must strive for the grade.     We need to improve product quality in an all aspects. Widely adopted international standards. Strive to develop high-tech and cutting-edge high-reliability products. Create, excellent, special products. Focus on high-tech key technologies such as SMT. The main direction of the production of high and mid-range micro connectors. drive the overall level of improvement. Identify key service areas     The development of micro-connectors must first meet the needs of the national economy, national key projects and military assembly. We should attache importance to investment equipment and a new generation of complete machine products. In particular, we must focus on promoting the national economy information service. Such as financial management computer networking, etc. In order to change the situation of mainly in consumer middle and low-end products and low localization rate of investment products. Our final purpose is gradually...
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  • 09

    Apr 2023

    Connector naming method
        The model of the universal frequency connector is composed of two parts: the main name code and the structural form code, separated by a dash "-" in the middle. Other situations that need to be explained can be stipulated in the detailed regulations, and separated by dashes and structural form codes.     The main designation code of the universal radio frequency connector adopts the main designation code commonly used at home and abroad. The main designation code of the special product shall be specified by the detailed specification.     (1) The code and description of the general title     N connector: A threaded radio frequency coaxial connector with an inner diameter of the outer conductor of 7mm (0.276 inches) and a characteristic impedance of 50Ω (75Ω). (IEC169-16)     Type BNC connector: Bayonet locking radio frequency coaxial connector with inner diameter of outer conductor of 6.5mm (0.256 inch) and characteristic impedance of 50Ω. (IEC169-8)     Type TNC connector: Threaded radio frequency coaxial connector with inner diameter of outer conductor of 6.5mm (0.256 inch) and characteristic impedance of 50Ω. (IEC169-17)     Type SMA connector: threaded radio frequency coaxial connector with inner diameter of outer conductor of 4.13mm (0.163 inch) and characteristic impedance of 50Ω. (IEC169-15)     Type SMB connector: Push-in locking radio frequency coaxial connector with an inner diameter of 3mm (0.12 inches) of outer conductor and a characteristic impedance of 50Ω. (IEC169-10)     Type SMC connector: threaded radio frequency coaxial connector with the inner diameter of the outer conductor of 3mm (0.12 inches) and the characteristic impedance of 50Ω. (IEC169-9)     Type SSMA connector: threaded radio frequency coaxial connector with inner diameter of outer conductor of 2.79mm (0.11 inch) and characteristic impedance of 50Ω. (IEC169-18)     Type SSMB connector: Push-in locking radio frequency coaxial connector with inner diameter of outer conductor of 2.08mm (0.082 inches) and characteristic impedance of 50Ω. (IEC169-19)     Type SSMC connector: threaded radio frequency coaxial connector with an inner diameter of the outer conductor of 2.08mm (0.082 inches) and a characteristic impedance of 50Ω. (IEC169-20)     Type SC connector (SC-A and SC-B type): The outer conductor inner diameter is 9.5mm (0.374 inches), the characteristic impedance is 50Ω threaded type (two types have different types of connecting threads) radio frequency coaxial connector. (IEC169-21)     APC7 type: precision medium-sized RF coaxial connector with inner diameter of outer conductor of 7mm (0.276 inches) and characteristic impedance of 50Ω. (IEC457-2)     APC3.5 type: threaded radio frequency coaxial connector with inner diameter of outer conductor ...
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