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Product Detailed Parameters
- Description：CONN HDR 1.25MM R/A 20POS
- Series：Gecko SL
- Mfr：Harwin Inc.
- Package：Strip
- 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：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
Download product information
Overview
The Harwin G125-MH12005M3P is a Gecko series male pin header featuring a 1.25 mm pitch and 20 positions in a dual-row configuration. It utilizes right-angle through-hole solder termination with phosphor bronze contacts plated in gold. The connector supports a current rating of 2 A and voltage ratings up to 450 V, operating within a temperature range of -65°C to +150°C. Constructed from green nylon insulation with UL 94 V-0 flammability, it includes board lock features for secure PCB mounting.
Feature Summary
- Right-angle through-hole design for compact vertical integration
- Gold-plated phosphor bronze contacts ensure reliable signal transmission
- Board lock mechanism provides secure mechanical fixation
- High-temperature nylon insulation rated for extreme environments
Applications
- Wire-to-board interconnections
- Signal processing modules
- Industrial control systems
- Automotive electronics
Procurement Notes
Verify the specific suffix code against official datasheets to confirm contact length and locking style variations. Ensure compatibility with mating housing specifications before procurement. Confirm RoHS compliance status via manufacturer documentation. Validate that the selected variant matches the required board thickness and soldering profile for reliable assembly.
Selection Notes
Select this component when high-density connections are required in space-constrained applications. The right-angle form factor facilitates efficient PCB layout optimization. Verify that the 2 A current rating meets system power requirements. Consider the operating temperature range for environmental suitability. Ensure mating connectors match the 1.25 mm pitch and shrouded design.
Part Context
This part belongs to the Harwin Gecko micro-miniature connector family, designed for high-reliability applications. The G125 series offers robust performance in demanding environments. It complements other Gecko components for complete interconnect solutions. The series is known for its durability and precise engineering standards.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided data. Cross-reference with Harwin's official replacement guide for compatible alternatives.
