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Automotive connectors, also known as automotive electrical connectors or automotive wire connectors, are critical components in the automotive industry. These electrical connectors must be robust and reliable, as they are often placed in parts of a vehicle exposed to harsh environmental conditions. They provide protection against dust ingress and moisture, and many also have a high degree of heat resistance. Due to the constant movement and vibrations within a vehicle, automotive connectors typically feature secure locking systems built into the plug and socket to prevent accidental disconnections.

## **Features of Automotive Connectors**

Automotive connectors come with a variety of features designed to meet the stringent demands of the automotive industry. Here are some key features:

- **High Resistance to Heat, Dust, and Moisture**: These connectors feature protective housing that offers high resistance to environmental factors like heat, dust, and moisture. The materials used, such as high-temperature plastics and corrosion-resistant metals, ensure that the connectors can operate efficiently in extreme conditions without degrading or losing performance.
- **Secure Locking Mechanisms**: To prevent accidental disconnections, automotive connectors are equipped with locking mechanisms. These can include snap-in locks, latch locks, and secondary locking features that provide a secure and stable connection. This ensures that the connectors remain engaged even under vibration and movement, typical in automotive environments.
- **Variety of Termination Methods**: Automotive connectors support multiple termination methods, including crimping, soldering, and insulation displacement. This versatility allows them to be used in various wiring applications, providing reliable connections whether for signal transmission, power distribution, or data communication. Crimping offers quick and secure connections, soldering provides a permanent bond, and insulation displacement allows for easy and fast wire integration without stripping.
- **Different Mounting Types**: These connectors can be mounted in several ways, such as through-hole, surface mount, or panel mount. Through-hole mounting involves inserting the connector pins through the PCB and soldering them in place, providing a strong mechanical bond. Surface mount connectors are attached directly to the surface of the PCB, saving space and allowing for automated assembly. Panel mount connectors are designed to be fixed to a panel or enclosure, providing easy access for connection and disconnection.
- **Range of Current Ratings**: Automotive connectors are available with various current ratings to handle different electrical loads. They can support low-current applications, such as signal and data transmission, as well as high-current applications, such as power distribution. The connectors are designed to ensure safe and efficient current flow without overheating or causing electrical failures.
- **Multiple Configurations and Ways**: These connectors come in numerous configurations, ranging from single-way to multi-way connectors. Single-way connectors are used for simple point-to-point connections, while multi-way connectors can handle multiple circuits within a single housing. This allows for organised and efficient wiring systems, reducing the complexity and improving the manageability of the overall electrical setup.
- **Sealed and Unsealed Options**: Sealed connectors are designed with gaskets, seals, or [O-rings](https://au.rs-online.com/web/content/discovery/ideas-and-advice/o-rings-and-seals-guide) to prevent ingress of moisture, dust, and other contaminants. They are ideal for applications exposed to harsh environmental conditions. Unsealed connectors, on the other hand, are used in environments where such protection is not critical, offering a simpler and more cost-effective solution.
- **Wire Sealing Range**: Automotive connectors are designed to accommodate a wide range of wire sizes and sealing requirements. They include features such as grommets or rubber seals that ensure a tight fit around the wires, preventing any environmental ingress. This is crucial for maintaining the integrity of the electrical connection and ensuring long-term reliability.

## **Types of Automotive Connectors**

Automotive connectors come in various types, each suited to specific applications. Here are some common types:

- **Terminals:** Terminals are used to provide connections to a PCB, eliminating the need for soldering. These are essential for creating quick and reliable connections in car wiring.
- **Board-to-Board Connectors:** These connectors link two PCBs together, allowing for the integration of multiple electronic systems within a vehicle.
- **Wire-to-Wire Connectors:** These connectors join two wires that have already been terminated, such as with a crimp termination and a ring terminal. They are crucial for creating secure and stable connections between wires.
- **Connector Housings:** Connector housings surround and protect connections between wires, connectors, and PCBs. They provide environmental protection and often include secondary locking mechanisms for additional security.
- **General Automotive Connectors:** These are versatile connectors used in various power and battery applications, including connections for caravaning or cigarette lighters.

## **Where can I use automotive connectors?**

Automotive connectors are essential for creating reliable and secure electrical connections across a wide range of automotive and industrial applications. In the automotive industry, these connectors are used extensively in wiring harnesses, which are critical for connecting various electrical systems in vehicles such as motorcycles, cars, and caravans. They ensure that components like lights, sensors, and control units function properly by providing robust and durable connections that can withstand the harsh conditions found in vehicles, including exposure to heat, vibration, and moisture.

In specialised applications such as motocross and boating, automotive connectors are designed to endure even more extreme environments. These connectors offer high resistance to water, dust, and physical stress, ensuring reliable performance in rugged conditions. Additionally, automotive connectors are used in industrial applications, including machinery control systems, industrial automation, and energy management systems. Their versatility allows them to provide secure connections in demanding settings, ensuring efficient operation of complex systems and machinery.

## **Buying Automotive Connectors: Ordering & Delivery Information for Australia**

RS is a trusted supplier and distributor of high-quality automotive connectors. Our extensive catalogue includes a wide variety of connectors from leading brands such as [Amphenol Industrial](https://au.rs-online.com/web/c/connectors/automotive-electrical-connectors/automotive-connectors/?applied-dimensions=4291410353), [Molex](https://au.rs-online.com/web/c/connectors/automotive-electrical-connectors/automotive-connectors/?applied-dimensions=4294966010), [ITT Cannon,](https://au.rs-online.com/web/c/connectors/automotive-electrical-connectors/automotive-connectors/?applied-dimensions=4294966356)and [TE Connectivity](https://au.rs-online.com/web/c/connectors/automotive-electrical-connectors/automotive-connectors/?applied-dimensions=4294725095). When selecting connectors, it is important to consider specifications such as wire sealing range, termination method, and mounting type to ensure compatibility. Detailed product descriptions and datasheets are available to help you make informed decisions.

RS Group also offers fast and reliable delivery of automotive connectors and other electronic components. Our delivery services are designed to ensure that you receive your products promptly and efficiently. For more details on delivery services and fees in Australia, please refer to our [Delivery Page](https://au.rs-online.com/web/content/support/all-articles/delivery).



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