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Product Detailed Parameters
- Description：CONN HEADER SMD 20POS 1.25MM
- Series：Gecko SL Reverse Fix
- Mfr：Harwin Inc.
- Package：Tape & Reel (TR)
- Connector Type：Header
- Contact Type：Male Pin
- Pitch - Mating：0.049" (1.25mm)
- Number of Positions：20
- 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：Surface Mount
- Termination：Solder
- Fastening Type：Threaded
- Contact Length - Mating：-
- Contact Length - Post：-
- Overall Contact Length：-
- Insulation Height：0.193" (4.90mm)
- 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
Download product information
Overview
The Harwin G125-MS12005M3R is a Gecko-SL series male header connector designed for through-hole mounting. It features a 1.25 mm pitch with a 2x5 position configuration, totaling 10 contacts. The component utilizes phosphor bronze pins with gold plating and a green polyamide (PA) housing. Rated for 2 A current and operating between -65°C and +150°C, it employs a jackscrew locking mechanism and UL 94 V-0 flammability rating.
Feature Summary
- Integrates a jackscrew locking system to secure mating connections against vibration
- Utilizes gold-plated phosphor bronze contacts for reliable signal transmission
- Constructed with green polyamide housing meeting UL 94 V-0 standards
Applications
- High-density board-to-board interconnects
- Industrial control systems requiring secure locking
- Automotive electronics modules
- Telecommunications infrastructure hardware
Procurement Notes
Verify the specific suffix M3R against the official Harwin datasheet to confirm tape-and-reel packaging and orientation details. Ensure compatibility with existing PCB footprints and mating socket specifications before procurement. Confirm RoHS compliance status via the manufacturer's latest documentation.
Selection Notes
Select this part for applications requiring right-angle horizontal male headers with positive mechanical locking. The 1.25 mm pitch suits high-density layouts. Verify that the 2 A current rating and thermal limits align with the target circuit requirements and environmental conditions.
Part Context
This component belongs to the Harwin Gecko-SL family, characterized by slim profile connectors. The series offers various configurations including vertical and horizontal orientations with screw-fixing options, catering to diverse space-constrained electronic design needs.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided data. Cross-reference pinout and mechanical dimensions carefully if considering alternative suppliers.
