Molex 39850-0500 Connector: Everything Electronics Engineers Need to Know
When designing electronic devices, choosing the right connector is crucial to determining the project’s reliability, efficiency, and scalability. One well-known part number that frequently appears in discussions among engineers is the Molex 39850-0500 connector.
This blog post dives deep into everything you need to know about the Molex 39850-0500, including its features, applications, and why it’s trusted in various fields. By the end of this guide, you’ll understand what makes this connector a reliable choice for your electronic projects and how it fits into more extensive interconnect solutions.
What is the Molex 39850-0500 Connector?
Founded in 1938, Molex Corporation is a global leader in designing and manufacturing connectors and interconnect systems. Known for their exceptional build quality and versatility, Molex products are used in consumer electronics, automotive, telecommunications, and industrial manufacturing.
The Molex 39850-0500 is a specific connector model within their extensive portfolio. Built for compact designs, it supports seamless and durable electrical connections, even in demanding environments. It’s frequently used in small-scale, high-performance electronics that require consistent and reliable connectivity.
This part is favoured for its pin density, compatibility, and efficiency, making it especially popular among electronics engineers working with modern compact devices.
Key Specifications and Features
Understanding its core features and technical specifications is essential to understanding why the 39850-0500 is a widely recognized connector.
Core Features
1. Compact Design
The 39850-0500 Molex is designed for small-scale electronic applications. Its size allows for easy integration into space-constrained devices without compromising connection reliability.
2. High Durability
This connector’s robust construction materials can withstand vibration, shock, and environmental stress. These features ensure long-lasting performance, even in challenging settings.
3. High Pin Density
The 39850-0500 efficiently uses space by providing high pin density. This feature allows numerous connections within a limited physical area, ideal for devices requiring multiple connections.
4. Ease of Assembly
Molex designed the 39850-0500 connector with a focus on user-friendly installation. It simplifies the assembly and disassembly, reducing downtime during maintenance or prototyping.
5. Reliable Signal Integrity
Molex connectors are known for maintaining high-quality electrical signals; the 39850-0500 is no exception. Their precision engineering minimizes interference and ensures stable connections.
Specifications at a Glance
- Pitch: Designed with optimal spacing for compact setups.
- Voltage Rating: Suitable for low- to medium-voltage applications.
- Pin Configuration: Variable pin arrangements to suit different project requirements.
- Material: Made from high-quality, durable plastic and metal contacts to ensure longevity.
Applications of the Molex 39850-0500

The 39850-0500 connector finds applications in a wide range of industries. Its adaptability and high performance make it a preferred choice in the following areas:
1. Consumer Electronics
Smartphones, tablets, and handheld devices employ compact connectors like the 39850-0500 to maintain internal space efficiency while delivering consistent performance.
2. Automotive Systems
Modern vehicles rely heavily on electronics, from infotainment systems to advanced driver assistance systems (ADAS). The 39850-0500 Molex ensures stable and secure communication between these components.
3. Industrial Equipment
Production lines and industrial setups require durable connectors to withstand rough environments. This connector’s build quality supports seamless electrical connections for automated machinery and control systems.
4. Telecommunications
High-speed network devices use compact interconnect solutions like the Molex 39850-0500 to optimize equipment designs and deliver high data integrity.
5. Healthcare Devices
Portable diagnostic devices and monitoring systems often utilize Molex connectors for their precision and reliability in transmitting sensitive data.
Why Choose the Molex 39850-0500?
Selecting the wrong connector can compromise your project’s safety, functionality, and future scalability. Here’s why the 39850-0500 is an innovative and reliable choice for electronics engineers:
1. Versatility
The 39850-0500’s adaptability across industries suits various project types, from compact electronics to large-scale systems.
2. Proven Reliability
Molex is synonymous with world-class performance and reliability; this connector is no exception. It ensures consistent connections, even under challenging operating conditions.
3. Ease of Use
With a simple assembly process and straightforward design, the 39850-0500 Molex minimizes the learning curve for engineers and technicians alike.
4. Scalability
Whether you’re working on prototypes or mass production, the Molex 39850-0500 accommodates evolving requirements, ensuring long-term viability for your projects.
Tips for Selecting the Right Molex Connector
Choosing the correct connector requires a certain level of precision and foresight. Here are some tips for selecting the best Molex connector for your specific needs:
1. Evaluate Your Voltage and Current Needs
Ensure the connector can handle your application’s voltage and current requirements without compromising safety or signal integrity.
2. Consider Pin Density
For compact designs, prioritize connectors with high pin density to save space while addressing functional needs.
3. Assess Environmental Conditions
If your project involves exposure to vibration, moisture, or temperature extremes, verify that the connector materials and design can withstand these conditions.
4. Plan for Future Expansions
Opt for connectors that leave room for scalability. This approach saves effort and costs when adding new features or expanding system capabilities later.
5. Check Compatibility
Ensure the connector is compatible with other components in your design, such as cables, housings, and printed circuit boards (PCBs).
Installation and Tooling
Termination Methods
- Crimp Contacts
- Solder Termination
The 39850-0500 Molex supports crimp-style and solder connections, allowing engineers flexibility during installation.
Tooling Options
- Manual crimping pliers and automated crimping solutions allow convenient and precise assembly.
Assembly Procedures
- Contact Insertion
- Housing Mating
Clear guidelines for proper insertion and mating reduce errors and ensure optimal performance.
Where to Source the Molex 39850-0500
The Molex 39850-0500 is widely available and can be sourced from authorized distributors or manufacturers. When purchasing, verify that the supplier offers genuine Molex products and provides technical support if needed.
Conclusion
The Molex 39850-0500 connector exemplifies engineering excellence, offering reliable and efficient solutions for diverse electronic applications. Its compact design, robust features, and consistent performance make it an invaluable asset for engineers prioritizing quality and scalability.
If you’re working on a project that demands precision and reliability, the Molex 39850-0500 might be the connector you need. Carefully evaluate your requirements, and consider how this connector can enhance your design.
FAQs About Molex 39850-0500 Connector
Below are answers to commonly asked questions about the Molex 39850-0500 connector:
Q1: What industries commonly use Molex connectors?
Molex connectors are widely used in the automotive, industrial, consumer electronics, and telecommunications industries.
Q2: Are Molex connectors easy to install?
Installation is straightforward, with tooling options ranging from manual crimp pliers to automated machines for high-volume applications.
Q3: What’s the current capacity of the Molex 39850-0500?
The specific current capacity depends on the wire gauge and termination method, but it typically handles medium to high currents efficiently.
Q4: Is the Molex 39850-0500 environmentally friendly?
It complies with RoHS standards, ensuring it is free from hazardous substances.
Q5: Can the Molex 39850-0500 withstand harsh environments?
Yes! Its thermoplastic housing and robust design make it resistant to heat, vibration, and wear.
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