M55-7101242R

Headers, Male Pins Overview

The Harwin M55-7101242R is a 12-position, double-row board-to-board and mezzanine connector from the Archer Kontrol series. It features a 1.27 mm pitch with horizontal right-angle surface mount termination. The male connector utilizes gold-plated phosphor bronze contacts housed in black liquid crystal polymer (LCP) insulation rated UL 94 V-0. It supports a current rating of 1.2 A and operates within a temperature range of -55°C to +125°C. The design includes solder retention features and mounting pegs for secure installation.

Headers, Male Pins Feature Summary

• Shrouded and polarized housing design ensures blind mating capability and prevents misalignment during connection.
• Right-angle surface mount configuration facilitates compact vertical stacking and space-efficient PCB layouts.
• Gold-plated phosphor bronze contacts provide reliable electrical performance and corrosion resistance.

Headers, Male Pins Applications

• High-density electronic assemblies requiring precise alignment
• Blind mating applications in confined spaces
• Mezzanine interconnects in industrial equipment

Headers, Male Pins Procurement Notes

Verify that the specific order matches the M55-7101242R part number to ensure correct polarity and orientation. Confirm that the receiving PCB footprint aligns with the 1.27 mm pitch and double-row layout. Check for any required accessory mounting pegs if specified by the assembly guidelines. Ensure storage conditions maintain component integrity prior to soldering.

Headers, Male Pins Selection Notes

Select this component when a horizontal right-angle male connector is required for double-row board-to-board connections. The 1.27 mm pitch suits high-density designs where space is limited. The shrouded and polarized nature makes it suitable for applications demanding error-proof mating. Consider the 1.2 A current rating and thermal limits for circuit compatibility.

Headers, Male Pins Part Context

This component belongs to the Harwin Archer Kontrol M55 series, which specializes in robust, polarized connectors for demanding environments. The series emphasizes reliability through shrouded designs and precise mechanical guidance. This specific model represents the horizontal variant within the lineup, offering distinct spatial advantages over straight configurations.

Headers, Male Pins Replacement Considerations

Direct substitutes must match the 1.27 mm pitch, 12-position count, double-row structure, and right-angle SMT orientation. Verify that alternative parts offer identical polarization and shrouding to maintain blind mating safety. Cross-reference contact plating and material specifications to ensure equivalent electrical and environmental performance.

Headers, Male Pins FAQ

Is the connector polarized?

Yes, the M55-7101242R features a shrouded and polarized design to prevent incorrect mating.

What is the contact material?

The contacts are made of phosphor bronze with a gold plating finish.