G125-MH11205L5R

Overview

The G125-MH11205L5R is a Gecko-SL series header connector manufactured by Harwin Inc. It features a 1.25 mm (0.049 in) pitch with 12 positions arranged in two rows. Designed for surface mount technology, this right-angle male pin connector utilizes solder pin termination. The contacts are constructed from phosphor bronze with gold plating, rated for 2 A current and 450 VAC/DC voltage. The housing is made of black polyamide (PA4T), offering UL94 V-0 flammability rating. It operates within a temperature range of -65°C to +150°C.

Feature Summary

• Patented four-finger copper alloy contact design ensures high reliability under extreme vibration conditions.
• Board lock feature provides secure mechanical retention on the PCB during assembly and operation.
• Shrouded four-wall construction prevents misalignment and protects contacts during mating.

Applications

• Wire-to-board interconnections
• Board-to-board connections
• High-reliability electronic assemblies requiring compact form factors

Procurement Notes

Verify the specific suffix 'L5R' against the official Harwin datasheet to confirm the exact reel packaging configuration and tape-and-reel specifications. Ensure the component matches the required surface mount orientation and pin count for your PCB footprint. Cross-reference the RoHS compliance status and material declarations with the latest manufacturer documentation before finalizing procurement orders.

Selection Notes

Select this model when a low-profile, high-density connection is required for space-constrained designs. The 1.25 mm pitch offers significant space savings compared to larger pitch connectors. Consider the right-angle mounting style for vertical clearance limitations. Verify that the 2 A current rating and 450 V insulation voltage meet the electrical requirements of the target application circuit.

Part Context

This component belongs to the Harwin Gecko-SL family, designed for demanding applications requiring high performance in miniature packages. The series is engineered to withstand extreme environments, including wide temperature ranges and high vibration levels. The G125 series represents a shift towards higher density interconnects while maintaining robust mechanical and electrical integrity through patented contact technologies.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching the 1.25 mm pitch, 12-position count, SMT right-angle configuration, and shrouded male pin characteristics. Consult Harwin technical support for potential cross-references or updated series alternatives.