MOLC-135-M1-S-Q-LC

Headers, Male Pins Overview

The MOLC-135-M1-S-Q-LC is a FOURRAY™ series rectangular header connector manufactured by Samtec Inc. It features 140 male pin positions arranged in four rows with a 1.27mm (0.050 inch) pitch. Designed for through-hole mounting, the connector utilizes phosphor bronze contacts with 30µin gold plating on the mating interface and tin plating on the tail. The housing is constructed from black liquid crystal polymer (LCP) rated UL94 V-0, providing a board lock feature. It operates within a temperature range of -55°C to +125°C and supports a current rating of 2.6A per contact.

Headers, Male Pins Feature Summary

• Quad-row terminal strip design accommodating up to 140 positions for high-density interconnect applications
• Board lock mechanism integrated into the insulator to secure the connector during assembly
• Mixed technology termination options available across the series, including standard through-hole configurations
• Tiger Eye™ terminal system ensures reliable signal integrity and mechanical stability

Headers, Male Pins Applications

• High-density board-to-board interconnections
• Data communication equipment requiring multiple signal lines
• Industrial control systems with space-constrained layouts
• Telecommunications infrastructure hardware

Headers, Male Pins Procurement Notes

Verify the specific suffix codes against official Samtec documentation to confirm exact pin count, row configuration, and termination style. Ensure compatibility with mating receptacles such as the FOLC series. Confirm RoHS compliance status and moisture sensitivity level requirements for your manufacturing process before ordering.

Headers, Male Pins Selection Notes

Select this component when a 1.27mm pitch quad-row header is required for vertical through-hole mounting. Consider the 2.6A current rating and LCP insulation material for thermal performance. Evaluate the need for board locks and mixed termination technologies if adjacent surface mount components are present on the PCB.

Headers, Male Pins Part Context

This part belongs to the Samtec FOURRAY™ family, which specializes in high-density interconnect solutions. The series offers various configurations including different pin counts and termination styles to support complex electronic assemblies. The MOLC designation specifically indicates a male header variant within this ecosystem.

Headers, Male Pins Replacement Considerations

Direct substitutes include other Samtec MOLC variants with matching pitch and row counts. Verify that alternative parts maintain the same 1.27mm spacing and 140-position layout to ensure mechanical fit and electrical continuity without redesigning the footprint.

Headers, Male Pins FAQ

What is the contact material used in this connector?

The contacts are made from phosphor bronze to provide necessary conductivity and spring properties.

Does this connector include a locking feature?

Yes, the insulator includes a board lock feature to secure the connector to the PCB during assembly.