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In the high-voltage circuit of an electric vehicle, the main electrical component of the hvil system is the high-voltage connector. However, the manual maintenance switch (MSD) is a human-operated element that serves as the electrical interface for circuit turn-on/break-off.

On the one hand, it initiates the protective measure of safely disconnecting the high-voltage electricity when the circuit of the high-voltage system is disconnected, or its integrity is damaged. On the other hand, it is used to confirm the integrity of the entire high-voltage system.

With the introduction of new 5G RF connectors for 5G wireless connectivity by incorporating sensors in RF coaxial connectors. In order to implement wireless connectivity on a global scale, the cost of customized components for 5G wireless devices will be lower in the future and reliability should be further enhanced. RF connector naming model is generally positioned with the international common primary name model, the structure of different products form naming model should be developed in accordance with the detailed standard specifications.

RF Coaxial Connectors Overview

The coaxial connector, a branch of the connector, has the commonality of the

Automotive high-voltage wiring harness (high-voltage cables and high-voltage interfaces) is a key component of the high-voltage electrical system, providing reliable operation and safety of electric vehicles. The main development and design solutions for the whole vehicle high-voltage harness involve cable layout, cable diameter selection, high-voltage connector selection, charging cable and interface types and applications, cable fixing and protection, etc.

The Whole Vehicle Layout of High Voltage Harness

The high voltage connection harnesses between each high voltage component, such as a battery to PDU, motor controller to the motor, AC/DC charging, etc., are reasonably arranged by the layout position of the high voltage components of the electric vehicle.

As the demand for intelligent driving systems and in-car entertainment systems in automobiles grows, the in-car signal transmission rate increases, leading to a gradual increase in the transmission frequency of the corresponding connecting cables.

FAKRA coaxial cable is a high-speed high-frequency cable that transmits RF and HD camera signals. Mainly includes the FAKRA connector, FAKRA Inline connector, coaxial cable, and PCB board end connector.

What is RF Cable

RF cable, also called coaxial cable, is a wire and signal transmission line. It consists of a mutually coaxial inner conductor, an outer conductor, and a medium that supports the inner and outer conductors. Coaxial cable is generally composed of four layers of material: the innermost is a conductive copper wire. In contrast, the outside of the wire has a layer of plastic (used as an insulator or medium) around it. Outside the plastic, there is a thin layer of mesh conductor (usually copper or alloy), and then the outermost is a layer of insulating material as the outer skin.

RF cable is an indispensable component of various radio communication

RF connector is a connection device that can reflect and transmit RF signal with a small loss in the RF transmission system and provide fast and repeated connection. Mainly by the contact parts, insulators, shells, and accessories.

RF connector selection conditions should be reliable contact, good conductive insulation performance, sufficient mechanical strength, and plugging and unplugging times to meet the relevant international and domestic standards provisions. At the same time, many factors determine the connector series and style, which is connected to the cable, and the use of frequency range is the main factor.

In engineering practice, make the connector diameter size and cable diameter as similar as possible to minimize reflections. The greater the difference between the cable and connector diameter, the worse the performance. Reflections usually increase as a function of frequency, and generally smaller connectors generally perform well at higher frequency bands.

What is the SMA connector?

The SMA connector is a subminiature coaxial cable connector that derives its name from the Sub-Miniature A connector. It was developed in the 1960s as an ultra-small connector interface for RF cables with a spiral coupling mechanism. Since then, many variants of the SMA series have evolved to meet the changing requirements of the RF and microwave industry.

Modern industry, characterized by outdoor facilities and equipment, relies on resilient and reliable electronic connectors to facilitate good communication between equipment and operators in harsh environments. Industries such as agriculture, food and beverage processing, transportation, and energy have advanced equipment, vehicles, and equipment that are exposed to changing weather conditions and the risk of entry of various contaminants. Circular M12 and M8 connectors meet the needs of harsh and remote environments for data transmission, and they are common industrial electronic connectors. These electronic connectors prevent the ingress of contaminants and withstand extreme temperature, shock and vibration, and pressure conditions while providing reliable signal transmission.