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Product Detailed Parameters
- Description：CONN HDR 1.25MM R/A 26POS
- Series：Gecko SL
- Mfr：Harwin Inc.
- Package：Tape & Reel (TR)
- Connector Type：Header
- Contact Type：Male Pin
- Pitch - Mating：0.049" (1.25mm)
- Number of Positions：26
- Number of Rows：2
- Row Spacing - Mating：0.049" (1.25mm)
- Number of Positions Loaded：All
- Style：Board to Board or Cable
- Shrouding：Shrouded - 4 Wall
- Mounting Type：Through Hole, Right Angle
- Termination：Solder
- Fastening Type：Screw Lock
- Contact Length - Mating：-
- Contact Length - Post：0.130" (3.30mm)
- Overall Contact Length：-
- Insulation Height：0.209" (5.30mm)
- Contact Shape：Circular
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：8.00µin (0.203µm)
- Contact Finish - Post：Gold
- Contact Material：Phosphor Bronze
- Insulation Material：Polyamide (PA4T), Nylon 4T, Glass Filled, Halogen Free
- Features：Jackscrews, Mating Flange, Pick and Place, Polarizing Key
- Operating Temperature：-65°C ~ 150°C
- Ingress Protection：-
- Material Flammability Rating：UL94 V-0
- Insulation Color：Green
- Current Rating (Amps)：2A
- Voltage Rating：450V
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Overview
The Harwin G125-MH12605M3R is a Gecko-SL series male header connector featuring a 1.25 mm pitch and 26 positions arranged in a dual in-line (DIL) configuration across two rows. Designed for through-hole mounting, it utilizes gold-plated phosphor bronze contacts rated for 2 A current and operates within a temperature range of -65°C to +150°C. The component incorporates a jackscrew locking mechanism for secure board attachment and meets UL 94 V-0 flammability standards.
Feature Summary
- Features a patented four-finger copper alloy contact design ensuring high reliability under extreme vibration conditions.
- Incorporates a jackscrew locking system that provides secure mechanical retention between the header and mating housing.
- Constructed with polyamide insulation offering UL 94 V-0 flammability rating and green coloration.
Applications
- High-reliability electronic systems requiring compact interconnect solutions
- Industrial equipment operating in environments with significant vibration
- Automotive electronics demanding wide temperature tolerance
Procurement Notes
Verify RoHS compliance status and specific packaging quantities before ordering. Confirm that the jackscrew locking feature aligns with assembly requirements. Check for any recent product change notifications or end-of-life notices from the manufacturer to ensure long-term supply availability.
Selection Notes
Select this part when a 1.25 mm pitch male header with screw-locking capability is required. Ensure the PCB layout supports through-hole soldering and accommodates the right-angle orientation. Verify that the 2 A current rating per contact meets the circuit load requirements.
Part Context
This component belongs to the Harwin Gecko-SL family, designed for space-constrained applications. It offers a 35% space saving compared to Micro-D connectors while maintaining high performance. The series is engineered for durability in harsh environments, combining miniature packaging with robust electrical specifications.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. As this is a specialized connector with unique locking mechanisms, direct replacements may require adapter cables or custom harness modifications rather than simple pin-to-pin swaps.
