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Product Detailed Parameters
- Description：CONN HEADER VERT 50POS 1.25MM
- Series：Gecko
- Mfr：Harwin Inc.
- Package：Tape & Reel (TR)
- Connector Type：Header
- Contact Type：Male Pin
- Pitch - Mating：0.049" (1.25mm)
- Number of Positions：50
- 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
- Termination：Solder
- Fastening Type：Latch Lock
- Contact Length - Mating：-
- Contact Length - Post：0.177" (4.50mm)
- 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：-
- Contact Material：Phosphor Bronze
- Insulation Material：Polyamide (PA4T), Nylon 4T, Glass Filled, Halogen Free
- Features：Board Lock, Pick and Place
- Operating Temperature：-65°C ~ 150°C
- Ingress Protection：-
- Material Flammability Rating：UL94 V-0
- Insulation Color：Green
- Current Rating (Amps)：2A per Contact
- Voltage Rating：-
Download product information
Overview
The Harwin G125-MV25005L2R is a Gecko series power-to-board header featuring a 1.25 mm pitch and 50 positions in a dual-row configuration. It utilizes gold-plated phosphor bronze contacts housed in green polyamide (PA4T) insulation, rated for UL 94 V-0 flammability. The connector supports a current rating of 2 A per contact with voltage ratings of 250 V and 450 V. Operating temperatures range from -65 °C to +150 °C, and it employs solder pin termination for vertical through-hole mounting.
Feature Summary
- Vertical through-hole board lock design for secure mechanical attachment
- Gold-plated phosphor bronze contacts ensuring reliable conductivity
- High-temperature polyamide insulation supporting extreme thermal environments
Applications
- Industrial control systems requiring high-density power distribution
- Automotive electronics utilizing robust power-to-board connections
- Telecommunications infrastructure equipment
Procurement Notes
Verify the specific suffix 'L2R' against official Harwin documentation to confirm reel packaging and tape specifications. Ensure the 50-position count matches the required circuit density. Cross-reference the PA4T material grade for environmental compliance requirements prior to final procurement authorization.
Selection Notes
Select this component when a high-pin-count vertical header is necessary for space-constrained power applications. The 1.25 mm pitch allows for dense routing while maintaining adequate spacing. Verify that the PCB stack-up accommodates the specified contact length and that the mating connector aligns with the Gecko-Latch or compatible series interface.
Part Context
This part belongs to the Harwin Gecko family, designed for demanding industrial and automotive sectors. The G125 series emphasizes compactness and reliability, offering various configurations including surface mount and right-angle options. This specific model provides a high-density solution within the standard vertical through-hole form factor.
Replacement Considerations
Direct substitutes include other Harwin G125 series headers with matching 50-position counts and 1.25 mm pitch. Verify compatibility with mating connectors before substitution. Generic equivalents may lack the specific locking mechanism or temperature ratings of the original Gecko design.
