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Crimp housings provide a receptacle for connectors when they are mounted onto a printed circuit board. PCB connectors are used to link different printed circuit boards to one another or to allow a cable to be connected to a PCB.

### How do crimp housings work?

Crimp housings are moulded according to the type of PCB connector they are designed to fit. The connector is mounted on to the PCB using the crimp housings, and the housing provides some level of protection for the connection. PCB connector housings also include space for the PCB connector contacts, to allow the current of electricity to flow.

### Types of crimp housings

The main way in which PCB connector housings differ is in the number of contacts they accommodate. This can range from just one contact to over 100. They can also be made from a range of materials, depending on the level of protection required for the connector.



PCB connector housings provide a receptacle for connectors when they are mounted onto a printed circuit board, protecting the connection.

Wire Housings & Plugs | Female Connector | RS

Wire Housings & Plugs

Buy 2 Pin Molex Connectors. Browse our latest 2 Pin Molex Connector offers. Free Next Day Delivery.

2 Pin Molex Connector | RS

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4 Pin Molex Connectors | RS

8 Pin Molex Connector | RS

Buy from our selection of Wire Housings & Plugs from Amphenol. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

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Molex Wire Housings & Plugs | RS

Wire housings are incredibly useful when working with PCBs (printed circuit boards) as they allow you to make quick, easy and secure connections with crimped wires and other boards. Simply take a wire with a crimp terminal, clip it securely into the housing and you're ready to go.When working with circuits, safety and connectivity are likely to be two of your biggest considerations. Molex are experts in both fields. Boasting a huge amount of experience, they have been operating for over 80 years. Continually innovating and bringing new products to market to sit alongside their bestselling ranges, they know how to make connections that work each and every time.<h2>Molex Crimp Housing Series'</h2>The Molex Connectors range includes some of the very best known and most relied upon series available including:<ul><li>CLIK-Mate</li><li>KK</li><li>Micro-Fit</li><li>Mini-Fit</li><li>Nano-Fit</li><li>PicoBlade</li><li>SPOX</li></ul><h2>Bestselling Molex Headers & Wire Housings</h2>One of the most important things when planning out a circuit is how to maximise the space – the Molex Nano-Fit series is perfect for that. This range of fully isolated headers can provide huge savings in terms of space when compared to some of the competition. As with many of Molex's connectors they offer positive locking and feature an anti-snag design. You'll find them in home appliances, medical equipment and telecoms servers.<a href="https://uk.rs-online.com/web/c/connectors/pcb-connectors-wire-housings/wire-housings-plugs/?applied-dimensions=4294965549,4291290219,4293610869">Molex KK 396 connectors</a> are ideal for automotive, industrial automation and networking applications. They are a great all-round option with a choice of sizes and power capabilities available.<a href="https://uk.rs-online.com/web/c/connectors/pcb-connectors-wire-housings/wire-housings-plugs/?applied-dimensions=4294965549,4293192330,4293194576,4291812922,4293194580,4290954736,4291755502">Mini-Fit housings</a> are some of the best known on the market. As part of Molex's "Pro" range they are loaded with additional features including a self-aligning interface, polarized mating geometry and positive locking. All of these allow strong, reliable connections to be made - minimising maintenance and engineering time. With TPA2 (terminal position assurance) options also available, they are a great option when you need security and simplicity.Molex Micro-Fit connectors can withstand temperatures up to 125°C – ideal for domestic appliances such as freezers and washing machines or non-sealed automotive applications. There are a huge range of options available, including (BMI) blind mating for connecting in hard-to-reach places and TPA2 double locking. Micro-Fit + offers an enhanced current rating up to 13.0A and are glow wire capable, meeting EU regulations for home appliances.

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Samtec Wire Housing and Plugs | RS

Protective Barrier Against Environmental ThreatsSamtec's crimp housings provide a crucial defence mechanism by incorporating a durable protective layer. This protective barrier shields electric connections from potential risks posed by environmental elements such as moisture, dust, and other external factors, ensuring the integrity of the electrical system. The main type of crimp housing is a PCB connector, they differ in the number of contacts it accommodates, and this can range from just one contact to over 100. They can also be made from a range of materials, depending on the level of protection required for the connector.<h3>Precision Engineering for Mechanical Durability</h3>The precision engineering of Samtec's crimp housings extends to safeguarding pins and connectors from physical stress and strain. In applications prone to vibrations, movements, or external pressures, the design of these housings limits the risk of damage to connectors, enhancing the overall durability of electrical connections. Samtec has a range of lengths and widths suited for your needs ranging from:<ul><li>Length ranging from 4.95mm up to 60.3mm</li><li>Width ranging from 5mm to 12.36mm</li><li>Material variety of: Black Liquid Crystal Polymer, Liquid Crystal Polymer, Nylon, PBT, and Polymer</li></ul><h4>How do they work?</h4>Crimp housing is moulded according to the type of PCB connector they are designed to fit. The connector is mounted onto the PCB using the crimp housings, and the housing provides some level of protection for the connection. PCB connector housings also include space for the PCB connector contacts, to allow the current of electricity to flow. The protective features of Samtec's crimp housings contribute to the prevention of electrical malfunctions and potential short circuits. By creating a secure and enclosed environment for connectors, these housings minimise the likelihood of contact with foreign objects or substances, ensuring a reliable and uninterrupted.

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Mini-Fit Connectors | RS

The Molex Mini-Fit series is a family of connectors known for its versatility and reliability in providing power and signal connectivity in a variety of applications. Recognized for their durability and design flexibility, Mini-Fit connectors are widely used in industries such as automotive, consumer electronics, telecommunications, and industrial automation.<h2>Features and Benefits</h2><ul><li>High Current Rating:Mini-Fit connectors are designed to handle high current requirements, with some models supporting up to 13.0A per circuit, making them ideal for power-intensive applications.</li><li>Versatile Configurations:Available in various configurations including single-row, dual-row, and multiple pitch options, the series caters to a wide range of design needs.</li><li>Secure Mating Mechanism:The connectors feature a positive locking mechanism, ensuring secure mating and preventing accidental disconnections.</li><li>Quality Material Construction:Built with high-quality materials, Mini-Fit connectors offer excellent resistance to heat, chemicals, and wear, enhancing their durability.</li><li>Easy Assembly and Maintenance:The design facilitates easy assembly and disassembly, making maintenance and modifications convenient.</li><li>Polarization Features:Polarization options prevent mismating, ensuring correct and safe connections every time.</li><li>Customization:Molex offers customized solutions to meet specific application requirements, providing flexibility in design and functionality.</li><li>Global Compliance:The Mini-Fit series complies with various international standards, making them suitable for global applications.</li></ul><h2>Frequently Asked Questions (FAQ)</h2>What sets the Molex Mini-Fit series apart from other connector types?The Mini-Fit series stands out due to its high current rating, robust design, and versatility in configurations. These features make it suitable for a wide range of applications where reliability and flexibility are crucial.Are Molex Mini-Fit connectors suitable for outdoor applications?Yes, many models in the Mini-Fit series are designed to withstand harsh outdoor environments. They offer features like UV resistance, waterproofing, and temperature resistance, making them suitable for outdoor use.How do I ensure I am selecting the right Mini-Fit connector for my application?To select the appropriate Mini-Fit connector, consider factors such as the current and voltage requirements, the number of circuits needed, environmental conditions, and the physical space on the PCB or in the device. Consulting Molex's product specifications and seeking expert advice can also be beneficial.The Molex Mini-Fit series of connectors provides a reliable and efficient solution for a wide range of power and signal connectivity needs. With its high current rating, robust construction, and versatile configurations, it caters to a broad spectrum of applications, ensuring performance and reliability. The series' compliance with international standards and availability in customized forms further enhances its suitability for diverse global applications.

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Mini-Fit Jr Connectors | RS

The Molex Mini-Fit Jr. series represents a range of compact connectors known for their versatility and reliability in various applications. These connectors are designed to meet the needs of wire-to-wire and wire-to-board configurations, making them suitable for a wide array of industries including consumer electronics, automotive, and industrial controls.<h2>Features and Benefits</h2><ul><li>High Current Rating: Capable of supporting up to 9.0A per circuit, they are ideal for power applications.</li><li>Fully Isolated Terminals: Provide a high level of safety by preventing electrical shorts between adjacent terminals.</li><li>Positive Locking Housings: Ensure secure mating and prevent accidental disengagement.</li><li>Low Engagement Force: Allows for easy mating and un-mating, reducing installation time and effort.</li><li>Versatility: Available in various circuit sizes and orientations to suit a wide range of design requirements.</li></ul><h2>Frequently Asked Questions</h2>What is the typical current rating of a Molex Mini-Fit Jr. connector?They can support up to 9.0A per circuit, depending on the model and conditions.Are these connectors suitable for high-temperature applications?Yes, they are designed to withstand high temperatures, making them suitable for various demanding environments.Can Mini-Fit Jr. connectors be used in automotive applications?Absolutely. Their robust design and high current rating make them well-suited for automotive electrical systems.Is there a polarisation feature to prevent mis-mating?Yes, they are equipped with polarisation features to ensure proper alignment and prevent mis-mating.

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Micro-Lock Connectors | Molex | RS Components

Molex Micro-Lock connectors are miniature connectors designed for small-scale applications where space-saving and reliability are paramount. These connectors offer a compact and reliable solution for making electrical connections in devices such as laptops, smartphones, tablets, and wearable electronics. Despite their small size, Molex Micro-Lock connectors provide excellent performance and durability, making them ideal for applications where space is limited, and reliability is crucial.<h2>Features and Benefits:</h2><ul><li>Miniature Size: Molex Micro-Lock connectors are incredibly small, making them ideal for space-constrained applications where conventional connectors may not fit.</li><li>Reliable Performance: Despite their compact size, Micro-Lock connectors offer reliable electrical connections, ensuring consistent performance in various electronic devices.</li><li>Secure Locking Mechanism: These connectors feature a secure locking mechanism that provides a stable and reliable connection, preventing accidental disconnection during operation.</li><li>High Durability: With their rugged construction and high-quality materials, Molex Micro-Lock connectors are designed to withstand mechanical stress and environmental factors, ensuring long-lasting durability.</li><li>Easy Installation: Micro-Lock connectors are designed for easy installation, with simple mating and unmating procedures that reduce assembly time and effort.</li><li>Versatile Configurations: Molex Micro-Lock connectors are available in various configurations, including wire-to-board, wire-to-wire, and board-to-board, offering flexibility to suit different application requirements.</li><li>Low Profile: The low-profile design of Micro-Lock connectors minimises the overall height of electronic devices, making them suitable for slim and compact applications.</li><li>High Temperature Rating: Molex Micro-Lock connectors are rated for high temperatures, ensuring reliable performance even in harsh operating environments.</li></ul><h2>Frequently Asked Questions:</h2><ol><li>Are Molex Micro-Lock connectors suitable for high-speed data transmission? Molex Micro-Lock connectors are primarily designed for low-power applications and may not be suitable for high-speed data transmission. It's essential to check the specifications of the Micro-Lock connector variant to determine its suitability for specific data transmission requirements.</li><li>Can Molex Micro-Lock connectors be used in outdoor applications? While Molex Micro-Lock connectors are designed to withstand environmental factors such as temperature variations and mechanical stress, they may not be suitable for direct exposure to harsh outdoor conditions. It's recommended to consult the specifications and ratings of the Micro-Lock connector variant to determine its suitability for outdoor applications.</li></ol>

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Megafit Connectors | Molex | RS Components

Molex Megafit connectors are robust and high-performance connectors designed for power applications that require reliable and secure connections. These connectors are engineered to meet the demands of high-current applications in industries such as automotive, industrial automation, and power distribution. With their rugged construction and advanced features, Molex Megafit connectors provide users with a dependable solution for power transmission, ensuring optimal performance and safety in critical applications.<h2>Features and Benefits:</h2><ul><li>High Current Handling:Molex Megafit connectors are capable of handling high currents, making them suitable for power applications that require robust and reliable electrical connections.</li><li>Rugged Construction:These connectors feature a rugged design with robust materials, ensuring durability and resistance to mechanical stress and environmental factors.</li><li>Secure Locking Mechanism:Megafit connectors are equipped with a secure locking mechanism that provides a reliable and stable connection, preventing accidental disconnection in demanding operating conditions.</li><li>Low Contact Resistance:With low contact resistance, Megafit connectors minimize power loss and heat generation, ensuring efficient power transmission and reducing the risk of overheating.</li><li>Versatile Configurations:Molex Megafit connectors are available in various configurations, including wire-to-board, wire-to-wire, and board-to-board, offering flexibility to suit different application requirements.</li><li>Easy Installation:These connectors feature a user-friendly design that facilitates easy installation, reducing assembly time and effort.</li><li>Compatibility:Megafit connectors are designed to be compatible with standard mating connectors, allowing for seamless integration into existing systems and applications.</li><li>High Temperature Rating:Molex Megafit connectors are rated for high temperatures, ensuring reliable performance even in harsh operating environments.</li></ul><h2>Frequently Asked Questions:</h2><ol><li>Can Molex Megafit connectors handle both AC and DC power applications? Yes, Molex Megafit connectors are suitable for both AC and DC power applications. These connectors are designed to handle high currents and provide reliable electrical connections for various power transmission needs.</li><li>Are Molex Megafit connectors waterproof or water-resistant? Some variants of Molex Megafit connectors may feature waterproof or water-resistant designs, depending on the specific model and configuration. It's essential to check the specifications of the Megafit connector variant to determine its level of waterproofing or water resistance.</li></ol>

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Picoblade Connectors | Molex | RS Components

Molex Picoblade connectors are miniature connectors designed for compact electronic devices where space is at a premium. These connectors offer a reliable solution for making electrical connections in applications such as consumer electronics, portable devices, and automotive electronics. Despite their small size, Molex Picoblade connectors provide excellent performance and durability, making them ideal for high-density applications where reliability and space-saving are critical factors.<h2>Features and Benefits:</h2><ul><li>Miniature Size: Molex Picoblade connectors are incredibly small, allowing for high-density mounting in space-constrained applications.</li><li>High Reliability: Despite their compact size, Picoblade connectors offer excellent reliability, ensuring stable electrical connections even in demanding operating conditions.</li><li>Secure Connection: These connectors feature a secure locking mechanism that prevents accidental disconnection, providing peace of mind for users.</li><li>Wide Range of Options: Molex Picoblade connectors are available in various configurations, including wire-to-board, wire-to-wire, and board-to-board, offering flexibility to suit different application requirements.</li><li>Easy Assembly: With their simple and intuitive design, Picoblade connectors are easy to assemble, reducing installation time and effort.</li> <li>Durable Construction: Constructed from high-quality materials, Molex Picoblade connectors are durable and resistant to mechanical stress and environmental factors, ensuring long-term performance.</li><li>Low Profile: The low-profile design of Picoblade connectors minimises the overall height of electronic devices, making them suitable for slim and compact applications.</li><li>Wide Temperature Range: Molex Picoblade connectors are designed to operate over a wide temperature range, ensuring reliable performance in various environments.</li></ul> <h2>Frequently Asked Questions:</h2><ol><li>Can Molex Picoblade connectors handle high current loads? Molex Picoblade connectors are primarily designed for low-power applications, and they may not be suitable for handling high current loads. It's essential to check the current rating of the specific Picoblade connector model to ensure it meets the requirements of your application.</li><li>Are Molex Picoblade connectors compatible with automated assembly processes? Yes, many Molex Picoblade connectors are compatible with automated assembly processes, making them suitable for high-volume production environments. These connectors often feature tape-and-reel packaging and pick-and-place compatibility, facilitating seamless integration into automated assembly lines.</li></ol>

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