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Molex MCS50 Connectors

MCS50 Connectors

MCS50 Connectors are miniature cable-sealed 0.50mm terminal interconnects for automotive wire-to-wire and panel-mount applications. Their hybrid configuration supports signal and power connectivity in a compact design that helps optimize vehicle packaging and simplify assembly. Built for harsh environments, these connectors deliver reliable performance for evolving vehicle configurations, including electrified vehicle applications.

Configuration Circuits Standards
Wire-to-wire and panel mount 20 USCAR2 Rev. 8 sealing (variant dependent)

Features and Benefits


As vehicle architectures become more compact, design engineers face increasing pressure to maximize connector density and minimize packaging size. They must also reduce assembly complexity while improving manufacturing efficiency.

To address these concerns, automotive industries require a compact hybrid connector that supports both signal and power connectivity within a space-efficient design. Achieving reliable, sealed electrical connections in harsh automotive environments is another challenge in modern vehicle architectures. Manufacturers need wire-to-wire and panel-mount sealed connector solutions that simplify integration and assembly across a wide range of automotive applications.

The hybrid terminal architecture of MCS50 Connectors helps reduce packaging space and harness complexity, enabling engineers to optimize available installation space without sacrificing functionality. The advanced sealing technologies of these connectors protect connections from dirt, moisture, contaminants and other environmental factors, supporting reliable performance. Additionally, hand-mate designs and application-specific connector variants improve installation efficiency and manufacturing flexibility.

Optimized Vehicle Packaging

MCS50 Connectors feature a compact design that maximizes available installation space while reducing overall connector size and harness complexity. The hybrid terminal architecture of these connectors supports signal and power circuits, enabling efficient and reliable connectivity in space-constrained automotive applications.

Molex MCS50 Connector with signal and low-power terminal architecture.

Reliable Performance in Harsh Environments

MCS50 Connectors are designed with robust sealing to protect against moisture and contaminants, ensuring long-term durability in harsh automotive environments. The male blade stabilizer technology of the connector system maintains terminal alignment and connection reliability.

Molex MCS50 connector with a sealing gasket.

Simplified Assembly and Integration

MCS50 Connectors are available in both wire-to-wire and panel-mount configurations that support diverse vehicle applications. The hand-mate design supports quick and efficient installation, while panel-mount variants include integrated fastening and sealing features that simplify assembly.

Molex MCS50 connectors in single-row and panel-mount configurations for design flexibility.

Supports space-constrained automotive architectures
The compact design of the connector fits easily into crowded automotive areas, where space is extremely limited.

Improves design flexibility and cost savings with a hybrid terminal system
The connector combines signal and power circuits within a single connector interface, eliminating the need for multiple interfaces.

Simplifies assembly process for time savings
Hand-mate designs reduce installation complexity and assembly time, improving production efficiency and consistency.

Accommodates diverse packaging
MCS50 Connectors are available in wire-to-wire and panel-mount configurations to support varying packaging, installation and integration requirements across vehicle platforms and electrical architectures.

Provides reliable automotive connections
The IP69K-sealed connectors help prevent the ingress of moisture, dirt and contaminants, supporting reliable long-term performance in demanding automotive environments.

Applications by Industry


Battery pack I/O
E-Drive systems
Electric vehicles
Front-end modules
Front and rear bumpers
Under-hood applications

This is not a definitive list of applications for this product. It represents some of the more common uses.

Frequently Asked Questions


What are MCS50 Connectors?

MCS50 Connectors are compact sealed automotive connectors that combine signal and power connectivity in a space-efficient hybrid design. Available in wire-to-wire and panel-mount configurations, they provide robust environmental sealing, simplified assembly and reliable performance in demanding vehicle applications.

What configuration options are available for MCS50 Connectors?

MCS50 Connectors offer both wire-to-wire and panel-mount connector configurations designed to support different packaging and installation requirements.

What makes MCS50 Connectors different?

MCS50 Connectors combine compact packaging, hybrid signal and power capability, robust environmental sealing, and simplified assembly features, enabling engineers to optimize vehicle packaging and improve long-term reliability.

Do the MCS50 Connectors support electrified vehicle applications?

Yes, MCS50 Connectors support a variety of voltage applications used throughout electrified vehicle platforms, including battery pack interfaces and e-drive systems.