G125-MS11205M3P

Overview

The Harwin G125-MS11205M3P is a Gecko-SL series header connector designed for surface mount technology. It features a 12-position, 2-row configuration with a 1.25 mm (0.049 inch) pitch. The connector utilizes male pin contacts made of phosphor bronze with gold plating, rated for 2 A current and 450 VAC/DC voltage. Constructed with black polyamide insulation (PA4T), it offers a shrouded four-wall design and board lock features. Operating within a temperature range of -65°C to +150°C, the unit ensures reliable vertical interconnection.

Feature Summary

• Surface mount vertical header with shrouded four-wall design
• Board lock feature for secure mechanical retention
• Gold-plated phosphor bronze male pin contacts
• High-temperature resistant PA4T polyamide insulation

Applications

• Vertical board-to-board interconnections
• Cable-to-board connections
• Power distribution on printed circuit boards
• Signal transmission in compact electronic assemblies

Procurement Notes

Verify the specific suffix 'M3P' against official Harwin documentation to confirm tape-and-reel packaging orientation and quantity. Ensure compatibility with mating socket components from the same Gecko-SL family. Confirm RoHS compliance status through the manufacturer's latest declaration. Cross-reference the part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a low-profile, surface-mounted male header is required for high-density layouts. The 1.25 mm pitch allows for compact spacing compared to standard 2.54 mm connectors. Consider the 2 A rating for power lines and verify that the PCB footprint matches the specified SMD termination style. The shrouded design prevents misalignment during assembly.

Part Context

This connector belongs to the Harwin Gecko-SL series, which specializes in small-pitch interconnect solutions. The series provides various configurations including headers, sockets, and cable assemblies. The G125-MS11205M3P specifically addresses needs for robust, space-saving vertical connections in consumer electronics and industrial control modules requiring reliable signal integrity.

Replacement Considerations

Direct substitutes must match the 1.25 mm pitch, 12-pin count, 2-row layout, and SMT male pin configuration. Verify identical shrouding and board lock mechanisms. Check for compatible mating sockets within the same series to ensure proper engagement force and electrical performance.