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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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  • 27

    Nov 2022

    The advantages and disadvantages of nickel plating and gold plating
        What is the advantage and disadvantages if nickle plating of rf connector? And how about the gold plating of rf coaxial connector? When post the pcb mount. Why the nickle plated is more convenient to solder the tin? There are many false solder in the nickle plating,But few in the gold plating, That’s why?     Answer 1: We know only the weld ability and conductivity of gold, its stability is the best among metals,It is widely used in PCB board. Nickel, good stability, but poor weld ability,But the temperature is better, It is rare to hear of nickel plating on the gold fingers of PCB boards.     Answer 2: Connector adaptor plating a single coating is very few, generally after nickel plating and then a layer of gold. Gold electroplates better conductivity and weld ability than nickel, but costs more. The cost of nickel is low, used in the ground coating on the substrate play a filling role, and subsequent coating capacity.     Answer 3: The electroplating physical properties are relatively stable, electrical conductivity is better, but the material is more expensive, general electroplating in the contact layer of the terminal.     Answer 4: The nickel itself electroplating is not good, generally will not be directly plated nickel for welding, is now the so-called solderable nickel, but it is a layer of flux after nickel plating.
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  • 20

    Nov 2022

    The difference between waterproof connector and plastic connector
        The structure of waterproof rf connector is generally divided into metal contact conductor and shell metal.     The different between metal and plastic (nylon TA66) shell :     Mechanical life: The mechanical life of waterproof rf connector refers to the number of times of plug and pull, and the industry standard is usually 500 to 1000 times.The contact resistance, insulation resistance and withstand voltage of the waterproof rf connector should not exceed the specified standard value when the mechanical life of the waterproof rf connector is reached. There is little difference between the metal waterproof rf connector and the plastic rf connector.      Behaviour of electricity: Rated voltage, rated current, contact impedance, insulation resistance, etc., according to the required standard value, this metal is the same as the plastic shell.     Enviromental parameter : The main environmental parameters are ambient temperature, humidity, rapid temperature change, atmospheric pressure and corrosion environment. In the use and storage of waterproof rf connectors, the environment in the process of transportation has a significant impact on its performance, so it is necessary to choose the corresponding metal shell according to the actual environmental conditions will be better than plastic.     Termination method: Termination method refers to the connection between the hardware contact and the wire and cable of the waterproof rf connector male and female coaxial connector. The metal as same as plastic shell, it is divided into solder, crimp, clamp, pierce and screw.     Comprehensive analysis shows that there is little difference between metal and nylon TA66 plastic shell except for shielding function of connector. The cost of plastic is lower than that of metal shell, and the structure is more reasonable.
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  • 13

    Nov 2022

    How to reduce the wear of jack and pin in connector
        When the connector is connected, the pin will be expanded with a certain force, but it is easier to separate. Therefore, it is judged that the coupling force of the electronic connector is larger than the separation force, the interaction between the two forces is easy to cause the connector to wear out. If you want to reduce wear and tear, look at the following good ways:     1.Improve the strength of the gold plating layer on the contact surface which can effectively reduce friction.     2.the contact surface of the RF coaxial connector can be nickel plated and then gold plated, which is a little less frictional than gold plated directly on copper.     3.The thicker the nickel layer, the stronger the wear resistance of the gold plating layer.     4.The smoother the surface of the RF connector is, that is, the lower the roughness, so the friction is very small.     5.In the daily use of connectors, we should pay attention to the maintenance of electronic connectors to reduce human damage.
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