博文

目前显示的是 七月, 2019的博文

Type and characteristics of the pin header

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What is the pin header, and how much you know about the pin header,  Konnra Electronics  believes that to understand the pin header connector, you need to know the pin type and its associated electrical characteristics. As a professional distributor of pin headers, Konnra Electronics feels that it is very necessary to popularize the knowledge of pin headers for customers. After all, knowing more is always not a bad thing. Let's follow the steps of Konnra Electronics engineers to get to know the lower pin connector. First, pin header connector specifications, models Konnra Electronics engineers pointed out that in our industry, the pin headers are mostly named according to the spacing. Common models are 1.27 pin, 2.0 pin, and 2.54 pin. The number shown above is the distance between the pin connector pin and the pin. The type of pin header is divided into straight needle, curved needle and patch pin in the industry, also called SMT pin, which is named according to the appearance o

Lighting terminal is correctly selected

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        What is the lighting terminal ? For the people outside the industry must be very confused, let alone let them choose this product. The following  Konnra Electronics  engineers have sorted out some related purchases of lighting terminal blocks, letting you know how to buy high-quality lighting terminal products, and interested users will come and read them.         There is a link between the lamp and the power supply, but the connection mode of the power supply is different. According to the way of connecting the power supply of the lamp, the structural design also needs to meet the requirements of the lamp as much as possible, convenient to use, in the process of connecting the electric appliance. In the reliability, it is necessary to ensure that the safety of electric shock protection is also indispensable. The design of the luminaire basically has a link that cannot be ignored.         Generally, the common connection method of the lamp includes a terminal, a method of i

KR0803 connector

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MMCX connectors

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In the RF connector, there is a type of product, called mmcx connector, which is a mechatronic product. It is a component that is attached to a cable or other instrument. It is an electrical connection and separation component that serves as a bridge. So, do you know what the MMCX connector is for? If you don't know it, you will understand what the mmcx connector is for after reading this article. Let's take a look at it. Konnra Electronics  engineers, the use of mmcx connectors can be described as very wide, back to the era of no connectors, as if there is no bridge on both sides of the road can not be opened, very inconvenient! Since the connector, between the instrument and the instrument It is like a bridge of communication and electrical connection! If the instrument is a whole and not a connector, once it needs to be updated or repaired, it may need to be replaced as a whole. It is very troublesome! If it is an instrument with mmcx connector, You can replace some parts

Connector manufacturer contact material types

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The production of a connector is inseparable from the choice of raw materials. Different materials can bring different effects. Therefore, it is very necessary for the connector industry practitioners to understand the knowledge of the connector materials. So, do you know what the connector contacts are? In the following,  Konnra Electronics  engineers will focus on what the connector manufacturer's contact materials are.  Konnra Electronics engineers pointed out that the connector contact materials are generally three kinds: brass, phosphor bronze and beryllium copper. As for how to choose these three materials, it depends on the type of contact, the frequency of plugging and the connector. Depending on the electrical and environmental conditions of the work, the materials and usage of the commonly used contacts are as follows;      1. Brass: Copper-zinc alloy, high conductivity (26%), but the elasticity is poor, the appearance is yellow. According to the different coppe

Types of insulator materials for connectors

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For  connector manufacturing , any manufacturer needs raw materials to produce, and when selecting materials, different materials can bring different effects. If the customer needs connector products to be insulated, the manufacturer must use insulating materials.Then do you know what insulation materials are used for connectors? Below Konnra Electronics engineer will introduce some common insulation materials used by connector manufacturers.       1. Nylon 66: good toughness, high moisture absorption rate, poor dimensional stability, easy to warp shape, can not withstand high temperature. Commonly used in DIP type connector manufacturing, divided into UL 94V-0 (milky white) and divided into UL 94V-2 ( Translucent color) Two grades can be added to the glass to improve mechanical properties and form warpage.       2. PBT: High strength, abrasion resistance, low moisture absorption rate, high temperature resistance. It is often used in the manufacture of DIP connectors. Fiberglass

Automotive high speed connector design knowledge

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People's living standards have been constantly improving, and the economic level has improved, so that more people have the money to buy cars. When you buy a car, have you ever thought about the connectors used in these car parts? The connector products used in automobiles are mostly high-speed connectors. When developing high-frequency vehicle connection systems, the design issues of accuracy, mechanical strength and overall applicability when used in harsh environments are first considered. If you want to achieve symmetrical high-frequency electrical signals through the cable and interface for interference-free data communication, the following five characteristics are very important. 1. Constant impedance on the transmission line; 2. The dielectric loss of the insulating material is small; 3. The connector is connected by a good low resistance terminal; 4. Paired signal wires are regularly stranded; 5. Shield part of the repeated coverage. The in-vehicle signal is transmitted

What is the box header connector?

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How much do you know about  box header connector ? If you're new to this product, check out this post.This paper will introduce the knowledge of box header connector to you comprehensively, mainly from the concept, structure and function of box header connector. I hope you can have a deeper understanding of box header connector through the introduction of  Konnra Electronic  engineers. The Box header connector is generally square or rectangular. It is similar to the base in the power socket of the home appliance. The difference is that the simple connector is all small. Box header connector usually consists of a square plastic socket with a number of square pins arranged neatly.The difference between Box header connector and ejector header is simple Box Header connector - remove the buckle on both sides.According to the requirements, the peripheral size of box header connector is commonly used with three specifications: 1.27 spacing, 2.0 spacing and 2.54 spacing.Depending on t

How to use the pin header correctly?

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After the user purchases the pin header, there are some precautions that must be kept in mind during the use. If you ignore these precautions, it may affect the performance of the pin header. Then the user uses the pin header. What are the operational considerations for the mother when it is discharged? The following  Konnra Electronics  engineers will give you a detailed explanation of what to do when using the pin header. In the operation of the row of pins, there are five main points to note, as follows: 1. Heat dissipation design The pin header will generate heat during operation. If the temperature is too high, it will affect the attenuation speed and stability of the LED. Therefore, the heat dissipation of the PCB board and the ventilation and heat dissipation of the cabinet will affect the pin header. 2. Check if the anti-static pin headers have good anti-static measures. 3. The smaller current value of the pin header is 20 mA. It is generally recommended that the maximum c

Pin header performance characteristics

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If you want to understand a product in depth, you can't get rid of its performance and features, and the pin header is no exception. So what are the performance and characteristics of the pin headers? The following  Konnra Electronics  engineers used an article to let you know what the performance characteristics of the pin headers are. I hope our introduction will help you. 1. Operational convenience and mechanical strength of the pin header are also important factors. The connector is usually the interface between the PCB main board and the external components. The receiving capacity of the pin header is very strong, and sometimes it may encounter considerable external force and is intact. 2. The components assembled by through-hole technology are much higher in reliability than the corresponding SMT components. Whether it is strong pulling, squeezing or thermal shock, it can withstand without being easily detached from the PCB. 3. The pin header processing for field wiring in

What are the factors that affect the price of the connector?

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At Konnra Electronics, any connector, we can meet the customization needs of users, but when it comes to customization, we also have to talk about the custom price, the custom price of different  connectors  will be different, then you know the connector customization What are the factors affected by the price? In the following, Konnra Electronics engineers will tell you that the custom price of the connector is controlled by “who”. The right to speak the custom price of the connector is determined by the material, performance and process of the product, as follows: First, the material: the main body is divided into brass, beryllium copper, phosphor bronze and ternary alloy, etc., the plating is divided into gold plating, silver plating, tin plating, etc., it is obvious that the metal price is not the same, the price of the same plating thickness will be There is a difference; Second, the performance: the higher the requirements for standing wave, frequency, insertion loss, the more

What is the Pin Header?

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As a practitioner in the connector industry, it is not unfamiliar to the pin header, but if you ask what is the pin header, it is estimated that it cannot be accurately expressed in words. So what is the pin header? In the following,  Konnra Electronics  engineers will give you a detailed introduction of what the pin header is. I hope that after the introduction of the engineer, you can have a deeper understanding of the pin header. Konnra Electronics engineers pointed out that pin headers are widely used in connectors for pcb boards and have the reputation of universal connectors. Generally used with the mating, line end and other connectors. With the intensification of competition in the pin header connector market, some manufacturers are now reducing the cost from electroplating (imitation gold) and materials (green steel, alloy, etc.), but also reduce the use characteristics and life of the product. Pin header, a type of connector. This type of connector is widely used in PCB ci

What are the advantages of high current terminals?

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In the electronic world, every product can be produced and circulated in the market, and it must have its own advantages. So, do you know the advantages of high-current terminals? There are so many high-current products in components, today  Konnra Electronics  engineers will introduce you to the advantages of high-current terminals, so that you can clearly understand the advantages of high-current terminals. The high-current terminal block is composed of an insulating base, an insulating partition and a wire component, and the insulating base is integrated. The wiring component is seated on the insulating base and placed in the insulating partition. The wiring component includes a wire clamp, a screw, a nut and a support. The frame has a U-shaped support frame, and the wire clamp is placed in the support frame. The nut and the screw press the wire clamp along the elongated holes on the U-shaped end faces of the support frame. The wire clamp is composed of the upper wire clamp and t

What is the meaning of the USB connector to be gold plated?

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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