RJ11 connectors and RJ45 connectors are commonly used electronic products in daily life, and both have a variety of models and specifications, so do you know which standard type of RJ11 connector and RJ45 connector is? The connector engineers of our company mainly introduce the standard models of RJ11 and RJ45 connectors.

The standard model of RJ11 connector is 6P2C RJ11 connector, which is a 6-position 2-contact modular connector. The RJ11 connector is often used as a telephone cable connector, and can also be used as a connector for dial-up modems, which can operate at data speeds of up to 56 Kbps.

The standard model of RJ45 connector is 8P8C RJ45 connector, which is 8-position 8-contact modular connector. The RJ45 connector is famous for being used as an Ethernet cable connector, which can be used for all types of Ethernet cables, including Ethernet (10 Mbps), Fast Ethernet (100 Mbps) and Gigabit Ethernet (1 Gbps) .

The standard models of the RJ11 connector and RJ45 connector explained above are shared here. If you want to understand other aspects of the connector industry, you can follow the official website of Dosin Hardware Electronics Co., Ltd. Dosin Hardware Electronics Co., Ltd. is a professional connector manufacturer of precision connectors and wiring harnesses integrating R&D, production, sales and service. It has 20 years of expertise in high-quality connectors, header and female connectors, and simple The production and development of bull horn connectors, D-SUB connectors, RJ45 connectors, FPC connectors, USB connectors, connecting wires, terminal wires, injection molding wires, various electronic wiring harnesses, etc. The product variety has more than 20,000 kinds, which is fully capable Meet the needs of various high-end customers.

There are many differences between the VGA connector and the HDMI connector, because VGA is an analog technology, which is quite old compared to the digital technology HDMI. Although VGA and HDMI are both interfaces used to transmit video, compared with VGA, HDMI can support better image quality and is an ideal choice for high-definition video. This article mainly introduces the difference between VGA connector and HDMI connector.

The main difference between VGA connector and HDMI connector:

1. The VGA connector was designed in 1987 decades ago, and the HDMI connector was designed in 2002.

2. The VGA connector uses analog to send and receive data, while the HDMI connector uses digital data.

3. The VGA connector only supports video, while the HDMI connector supports video and audio.

4. The VGA connector is a DE-15 connector and consists of 15 pins, while the HDMI connector has several sockets of type A, C and D, and they have 19 pins. But there is also a B-type HDMI connector with 29 pins.

5. Compared with type A, C and D HDMI connectors, the height and width of VGA connector are much larger, even if the length of B type HDMI is very thin compared with VGA interface.

6. The VGA connector cannot be hot-plugged, while the HDMI connector can be hot-plugged. According to the standard, even if the VGA cannot be hot-plugged, it can be connected or disconnected when the host is running normally without causing any damage.

7. VGA connector cannot provide the best quality for high-definition video, but HDMI connector is ideal for high-quality high-definition video.

8. Modern high-end graphics cards do not have a VGA connector slot, but have an HDMI connector slot.

9. Due to space issues, small devices such as mobile phones, ultrabooks, and tablets do not have a VGA connector slot, but usually have an HDMI connector slot.

10. The current market price of HDMI cable connectors is usually higher than that of VGA cable connectors.

11. Since both computers and modern LCD monitors process digital data when using a VGA connector, the signal must be converted from digital to analog, and then from analog to digital, which will reduce quality and increase overhead, but HDMI connectors do not This type of conversion is required.

Although the VGA connector is a standard that has existed for decades, and the HDMI connector is the most recent standard, the biggest difference between the two is that the VGA connector uses analog data, while the HDMI connector uses digital data. Therefore, the HDMI connector has several advantages over the VGA connector. Although until recently, the VGA interface connector was still the default video interface, HDMI is gradually replacing VGA. Even though the VGA port still exists in most devices, the VGA port may disappear in the future and be replaced by HDMI.

If you want to know about other aspects of the connector industry, you can follow the official website of Dosin Hardware Electronics Co., Ltd. Dosin Hardware Electronics Co., Ltd. is a professional connector manufacturer of precision connectors and wiring harnesses integrating R&D, production, sales and service. It has 20 years of expertise in high-quality connectors, header and female connectors, and simple The production and development of bull horn connectors, D-SUB connectors, RJ45 connectors, FPC connectors, USB connectors, connecting wires, terminal wires, injection molding wires, various electronic wiring harnesses, etc. The product variety has more than 20,000 kinds, which is fully capable Meet the needs of various high-end customers.

The USB connector can be said to be a dedicated network data transmission interface for electronic devices, which is mainly divided into a USB male connector and a USB female connector. There are also many factors that need to be paid attention to when welding the USB female connector. In order to ensure the welding quality of the USB female connector, the following Dosin connector manufacturers mainly share the knowledge of the welding skills of the USB female connector. I hope to help you learn more about USB connectors.

Five soldering tips for USB female solder connectors:

1. Because of the small size of the USB female connector, the four pins of the USB interface are generally difficult to solder, and if the distance between the pins is too close during soldering, the two pins may be accidentally removed. The pins 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, and the role of flux not only makes the soldering smoother, but also Fixed the effect that the USB port is not easy to move when welding.

2. After applying the flux, use a soldering iron to clean the tin on each solder joint. The purpose is to prevent excessive tin from causing false soldering. At this time, only a little tin is left on the surface of the solder joint.

3. Then put the USB female connector on the pad, and gently put it in the alignment position. After placing it, press the pin with a soldering iron lightly. After a few seconds, it can be soldered.

4. When soldering the usb female connector, pay attention to the operation force not to be too strong to avoid causing the pins of the usb female connector to be easily bent by force, and the pads will show unevenness, resulting in the usb female There is false welding or false welding when welding the seat.

5. Note that after the final welding is completed, you need to use a multimeter to measure the diode to check whether the welding is good. For example, whether there is any looseness or false welding of the pins, and if there is any phenomenon, the welding should be repeated.

Can the knowledge of the five soldering skills of the USB female connector explained above help you? If you want to know about other aspects of the connector industry, you can follow the official website of Dosin Hardware Electronics Co., Ltd. Dosin Hardware Electronics Co., Ltd. is a professional connector manufacturer of precision connectors and wiring harnesses integrating R&D, production, sales and service. It has 20 years of expertise in high-quality connectors, header and female connectors, and simple The production and development of bull horn connectors, D-SUB connectors, RJ45 connectors, FPC connectors, USB connectors, connecting wires, terminal wires, injection molding wires, various electronic wiring harnesses, etc. The product variety has more than 20,000 kinds, which is fully capable Meet the needs of various high-end customers.

From: https://www.dosinconn.com/knowledge-soldering-skills-usb-connectors/

 

DB15 is also called VGA connector. It can be said to be everywhere in daily life. Usually it is a 3-row 15-pin DB connector. The following mainly introduces some special knowledge of DB15 VGA connector, and hope that everyone can have a new understanding of VGA connector.

DB15 (VGA) connector is a very common connector, mainly used as a video interface for computers and monitors, and can be found on video cards, high-definition displays, laptops, projectors, and high-definition televisions. On some small devices, a mini-VGA port is sometimes used instead of a full-size VGA connector.

DB15 (VGA) is a high-density DB-type connector, although it is used to support higher resolution video applications (SVGA, XGA, UXGA, etc.). Although the size of the DB15 (VGA) connector is the same as the DB9 connector, it is divided into three rows with a total of 15 pins. On most DB15 (VGA) male connectors, one pin (pin 9) is missing in the middle row. Why is the 9th pin omitted? Because it is not used to carry any part of the computer video signal.

If you want to know about other aspects of the connector industry, you can follow the official website of Dosin Hardware Electronics Co., Ltd. Dosin Hardware Electronics Co., Ltd. is a professional connector manufacturer of precision connectors and wiring harnesses integrating R&D, production, sales and service. It has 20 years of expertise in high-quality connectors, header and female connectors, and simple The production and development of bull horn connectors, D-SUB connectors, RJ45 connectors, FPC connectors, USB connectors, connecting wires, terminal wires, injection molding wires, various electronic wiring harnesses, etc. The product variety has more than 20,000 kinds, which is fully capable Meet the needs of various high-end customers.

From: https://www.dosinconn.com/db15-vga-connector-guide/