Waterproof & Sealed Connectors

An O-ring is a donut-shaped seal with a round cross-section, widely used in machinery and equipment due to its affordability, ease of production, reliability, and simple installation. These seals are typically made from elastomers, but PRECI-DIP also offers O-rings in other thermoplastic materials such as FKM, which can withstand reflow processes, making them versatile for various applications.

PRECI-DIP provides O-ring seals directly on insulators in grooves, which allows connectors to be effectively sealed in customer applications. This design ensures that the connectors maintain their integrity and functionality even in demanding environments.

A unique feature of PRECI-DIP connectors is the placement of O-rings on contact barrels or pistons in spring-loaded connectors. PRECI-DIP has extensive experience in designing O-rings for 1.27 mm diameter contacts, enabling them to offer spring-loaded connectors with individually sealed contacts. This innovative design is highly valued in applications such as military radio docking stations, earbud chargers, and industrial tools, where reliable sealing is crucial for performance and durability.

By incorporating these advanced sealing solutions, PRECI-DIP enhances the reliability and longevity of our connectors, making them suitable for use in harsh and demanding environments. This commitment to quality and innovation ensures that PRECI-DIP connectors meet the stringent requirements of various industries, providing customers with dependable and high-performance sealing solutions.

Potting is a specialized process where a low-viscosity material, often a type of resin, is carefully poured into a predefined shape or mold, such as a casing or enclosure. This process creates a hard, solid barrier that protects and insulates electronic components from external environments, including moisture, water, humidity, and salt spray. The material used in potting can vary, but it is typically selected for its ability to flow easily into all the nooks and crannies of the mold, ensuring a complete and uniform fill.

At PRECI-DIP, we utilize a variety of potting materials to cater to different application needs. For applications that demand robust sealing and protection against environmental factors such as moisture, dust, and chemicals, epoxy-based potting is the preferred choice. Epoxy resins are renowned for their excellent adhesion, mechanical strength, and resistance to harsh conditions, making them ideal for creating durable and reliable seals.

Potting has numerous applications, but it is typically performed on the back of a connector to protect its front. Additional sealing can be achieved around the connector using an O-RING. PRECI-DIP offers a wide range of potted connectors, including a 1.27 mm pitch connector used in military radios. In such designs, low-viscosity potting is preferred due to the limited space available. The potting used by PRECI-DIP is also resistant to the reflow process, making reflow an ideal solution for surface mount connectors.

Customer applications are numerous, and PRECI-DIP continuously explores new ways to provide sealing solutions. From flat seals to grommets and overmolding, customers can rely on PRECI-DIP to push the boundaries and meet their needs.
Here is an example of a waterproof connector designed for consumer electronics applications, specifically for e-bikes. This connector is engineered to withstand harsh environmental conditions, ensuring reliable performance in all weather. A leap seal around the contact areas effectively seals all the contact interfaces, providing robust protection against water ingress and dust. This is particularly important for e-bikes, which are often exposed to varying weather conditions and rough terrains.

The connector features a high-current (20 amp) spring-loaded contact with wire termination, allowing it to handle the significant power demands of an e-bike’s electrical system. The spring-loaded contact ensures a secure and stable connection, even under high vibration and shock conditions. This is crucial for maintaining a reliable connection between the power train and the electronic controls within the e-bike, ensuring consistent performance and safety.

Additionally, the integrated clip design provides an extra layer of security, preventing accidental disconnections. This is especially beneficial for e-bikes used in off-road or high-impact environments, where maintaining a stable electrical connection is vital. The connector’s design also facilitates easy installation and maintenance, making it user-friendly for both manufacturers and end-users. Overall, this waterproof connector is a critical component in the design of e-bikes, contributing to their durability, reliability, and overall performance.