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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),Cut Tape (CT)
- 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：Mating Flange, Mounting 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 G125-MH12605M4R is a 26-position male header connector from the Harwin Gecko-SL series. It features a 1.25 mm pitch and a dual-row configuration with right-angle mounting for through-hole solder termination. The contacts are gold-plated phosphor bronze, rated for 2 A current. Operating temperature ranges from -65 °C to +150 °C. The housing is green polyamide (PA) with UL 94 V-0 flammability rating. Insulation resistance is 1 GOhms. It utilizes a Jackscrew locking mechanism and includes a 3.3 mm solder tail length.
Feature Summary
- Patented four-finger copper alloy contact design ensures high reliability under extreme vibration conditions.
- Jackscrew board mount system provides secure mechanical locking between mating connectors.
- Low-profile rectangular geometry achieves significant space savings compared to larger pitch connectors.
Applications
- Board-to-board interconnections in compact electronic assemblies
- High-reliability connections in environments subject to extreme vibration
- Industrial equipment requiring wide operational temperature stability
Procurement Notes
Verify the specific suffix M4R against official datasheets to confirm reel packaging and tape specifications. Ensure compatibility with the corresponding female socket within the Gecko-SL family. Confirm RoHS compliance status via the manufacturer's latest documentation before integration into regulated products.
Selection Notes
Select this component when a right-angle, through-hole male header is required for dense circuit layouts. The 1.25 mm pitch suits applications needing high pin counts in minimal footprint. Verify that the Jackscrew locking requirement aligns with the system's mechanical constraints and mating interface standards.
Part Context
This part belongs to the Harwin Gecko-SL family, designed for demanding applications requiring high performance in miniature packages. The series offers a 35% space saving over comparable high-performance connectors like Micro-D. It supports diverse connection types including headers, cable assemblies, and power-to-board solutions within the same ecosystem.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Cross-reference with other Harwin Gecko-SL male headers if form factor changes are permissible.
