Konnra Electronics CO., LTD.

  How much do you know about the USB female connector? In the production process of the USB female connector, part of the welding process technology will be involved, so do you know what are the welding techniques for the production of the   USB female connector ? If you are concerned about the USB If you don’t know the soldering skills of female connectors, listen to Konnra connector engineers to share with you the soldering skills of USB female connectors: The welding skills of USB female connector can be summarized in five aspects. The specific content is as follows: 1. The USB female connector is usually small in size, so it will be difficult to solder its four pins. If the distance between the pins is too close during soldering, the two tubes may be accidentally removed. The feet are soldered together. Faced with this situation, you can use flux to wipe the solder joint pins before soldering. Be careful not to stick too much flux, because it is difficult to wipe off later...

  Do you have any research on your mobile phone interface? I believe that in the past, many people used that kind of card reader, that is, a small interface. The memory card is inserted into the interface of the computer to download movie pictures and other things. With the current network development, some cloud Technology allows people to get rid of this so-called external device. Furthermore, the current capacity of mobile phones has become larger, and 128G is used at every turn, so the use of this kind of data card is also reduced, but as the battery capacity and storage of mobile phones increase, the data transmission speed needs to be improved. There are currently two types of mobile phone interfaces on the market, one is Micro USB and the other is Type-C. Generally, high-end mobile phones above 1500 CNY or above 2000 CNY use the Type-c interface, while low-end mobile phones use Micro USB. In fact, it is easy to distinguish. The USB interface can only be plugged in through th...

Before that, if you know the bidirectional USB connector product, do you know what features it has? If you are a connector industry practitioner and have a little understanding of such problems, we suggest you to quickly add your knowledge in this area. The  Konnra connector  engineer will introduce the main features of the bidirectional USB connector in detail. Konnra connector engineers pointed out that the bidirectional USB connector can be reliably inserted into the computer port facing up or down. Compared with the traditional USB connector that cannot be turned over, the bidirectional USB connector design has more advantages, so that users do not need to observe , You can simply insert the USB device by trying or guessing. This easy-to-operate performance avoids the problem of damaging the computer or USB device. The two-way USB connector can be used simply by the user without the need for a second attempt, which avoids the harmful factors of the traditional USB connecto...

As we all know, the Raspberry Pi has recently been very popular among beginners in self-study network design and programming in China. Perhaps the main reason is that programming is easy to learn, and secondly because the price is cheap and the public can accept it. The head of the Raspberry Pi Foundation, Eben Upton, announced on Twitter that the sales of the Raspberry Pi reached 640,000 units in March, and March has also become the second-highest sales period in history. Eben believes that this is probably due to the impact of the COVID-19 coronavirus. During home isolation, the Raspberry Pi can be used at low cost for people to work and study at home. According to the data chart provided by Eben, the number of IP addresses accessing the Raspberry Pi mirroring system has accelerated from mid-March and exceeded the same period in 2019, reaching its peak at the end of March, with more than 90,000 visits in one day. Although the increase in the beginning of April has declined somewhat, ...

There are many types of USB connectors, whether USB 3.0 or USB 2.0, there are many orders, but overall USB 3.0 connectors are better. The USB 3.0 connector was released in 2018. It is more than 8 years away from the USB 2.0 product. Do you know what advantages the USB 3.0 connector has over the USB 2.0 connector? The Konnra connector engineer will come to you for details. Introduce how the connector USB 3.0 is better than USB 2.0. To compare where the USB 3.0 connector is better than the  USB 2.0 connector , there are five aspects that we can’t get around: transmission rate, physical bus, power consumption, bandwidth, and bus utilization. The specific contents are as follows : 1. Transmission rate The USB 2.0 connector provides a transmission rate of 480 Mbps, while the  USB 3.0 connector  provides a transmission rate of 4.8 Gbps. The transmission speed of the USB 3.0 connector is 10 times higher than that of the USB 2.0 connector. 2. Physical bus USB 3.0 connectors have ...

For those who often purchase USB connectors, it is very necessary to understand its properties. If you want to know the functional properties of the  USB connector,  you only need to read this article organized by Konnra Connector. The content is easy to understand, mainly from grip, durability, life, protection performance, length limitation The five aspects are explained one by one. Let's take a look at these attributes of the USB connector. 1.Holding power Compared with other old connectors, there are still some differences. USB keeps the proper position of peripheral devices and cables by the clamping force from the plug. No thumb rotation, screws or clips Sub to keep it in place. 2. Endurance USB has an improved design that makes it more rugged and durable than previous connectors. This is because it is hot-swappable, a property that allows a USB connector to be added to a running computer system without significantly interrupting the operation (ie, shutting down or...

The USB Type-C interface, which can transfer data more quickly, can support the fast charging function, which meets the needs of the terminal application product market for the continuous expansion of high-speed transmission.  Konnra connectors  provide a full range of flexible USB Type-C solution lineups, including wire-to-wire, wire-to-board and board-to-board and related wiring harness solutions, etc., which can bring users higher performance convenience. According to IHS survey data, in 2016, there were only 100 million consumer electronics devices using USB Type-C interfaces worldwide, and it is expected to exceed 2 billion in 2019, with the main growth points coming from the PC market and mobile device market. The advantages of USB Type-C are far higher than the traditional USB Type-A. The four major characteristics of USB Type-C include forward and reverse insertion, video transmission, data transmission and fast charging. Since both sides can be inserted, it is not lik...

Nowadays, fast charging has become a standard feature of major flagship mobile phones, directly affecting the end-user experience. For fast charging technology, there are actually many factors in how to achieve faster and more efficient charging. Need to achieve higher power transmission, but also need the adapter to have sufficient power output capacity, the mobile phone's charging circuit must be within a certain heating range, and then transfer heat to the battery, the battery must also support such a high charging current, which includes A lot of links. In terms of interfaces, middle and high-end smartphones are now gradually moving towards the USB Type-C interface. The combination of  USB Type-C  and fast charging is also relatively high in the entire industry, which is a big trend. In December 2013, the USB-IF Association of the United States announced the next-generation USB Type-C connector. Then in August 2014, the relevant industry chain began to be ready for mass...

One of the materials used in the usb type-c connector data cable is PVC material.Polyvinyl chloride is a polymer that is polymerized by radical polymerization reaction mechanism under the action of light and heat, such as peroxides, azo compounds and other initiators.Do you know the advantages and disadvantages of the data cable of PVC material for  USB type-c connector ?The Konnra Connectors engineer will introduce you to the advantages and disadvantages of the USB type-c connector's PVC Connectors. First, advantages of PVC material data line of USB type-c connector: 1.PVC data line is relatively cheap; 2. Low cost, good insulation and weather resistance. Second, disadvantages of PVC material data line for USB type-c connector: 1. Fine and dull surface; 2. It has obvious plas tic smell and will release harmful substances; 3. The texture is relatively hard, poor resilience, easy to cause fracture peeling.

USB is the abbreviation of Universal Serial Bus. It belongs to the standard of an external bus. In the interface directory of USB-232/485 series, it means that the 1-port interface has a USB Type A plug, while the 2-port and 4-port interfaces have USB B. Type interface. So, do you know the difference between these usb connector interfaces? If I need to connect to my computer, do I need to work with other hardware? The following Konnra Electronics connector engineers will give you a detailed introduction to USB A type. What is the difference between the connector interface and the USB Type B plug. The USB socket used by the PC manufacturer belongs to the  Type A connector , which can be judged by its rectangular shape. The Type A socket can be found on the upstream device, such as a USB host or a hub. USB Type A plugs are also found on cable and smaller peripherals such as mice and flash drives. Use removable cable for some larger USB peripherals such as printers and...

Recently, in the customer email of  Konnra Electronics , many customers were found to consult “What is the role of the metal plating of the USB connector socket?” In order to facilitate the user's inspection, Konnra Electronics engineers specially compiled this document and summarized the USB. Connector socket metal plating function. The role of the metal plating of the USB connector socket is mainly manifested in five aspects, as follows: 1. The coated USB socket is not easily oxidized and vulcanized. 2. It can improve its mechanical properties and enhance wear resistance to a certain extent. 3. Optimize the electrical performance of the USB socket, establish and maintain the impedance of the USB socket. 4. The precious metal coating is relatively simple to contact the metal that produces the interface, maintaining the stability of the contact interface impedance. 5. The surface of the general metal plating layer is covered with an oxide film to prevent the oxide film from r...