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Product Detailed Parameters
- Description：CONN HEADER R/A 20POS 1.25MM
- Series：Gecko
- 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：Latch Holder
- Contact Length - Mating：-
- Contact Length - Post：0.130" (3.30mm)
- Overall Contact Length：-
- Insulation Height：0.219" (5.56mm)
- 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
- Operating Temperature：-65°C ~ 150°C
- Ingress Protection：-
- Material Flammability Rating：UL94 V-0
- Insulation Color：Green
- Current Rating (Amps)：2A
- Voltage Rating：250V
Download product information
Overview
The Harwin G125-MH12005L5P is a Gecko-Latch male header featuring a 1.25 mm pitch and 20 positions in a dual-row configuration. It utilizes right-angle through-hole solder pin termination with a 3.3 mm contact length. The connector employs a board lock mounting style and includes a shrouded design for four-wall protection. Rated for 2 A current at 250 V, it operates within a temperature range of -65°C to +150°C. The housing is constructed from green polyamide (PA4T) with UL 94 V-0 flammability rating, while contacts are gold-plated phosphor bronze.
Feature Summary
- Gecko-Latch locking mechanism ensures secure mating retention
- Board lock installation style provides stable PCB mounting
- Shrouded four-wall housing protects contact alignment
Applications
- Wire-to-board interconnections
- Signal transmission in compact electronics
- Right-angle PCB mounting applications
Procurement Notes
Verify the specific suffix L5P confirms the 3.3 mm tail length and tape & reel packaging format. Confirm RoHS compliance status and check for any recent Product Change Notifications (PCN) regarding material composition or dimensional updates before finalizing procurement specifications.
Selection Notes
Select this component when a horizontal male header with integrated board locking is required. Ensure the application supports right-angle orientation and through-hole soldering. Verify that the 1.25 mm pitch and 20-position count align with the target circuit board layout and mating connector requirements.
Part Context
This part belongs to the Harwin Gecko series, designed for micro-miniature signal connections. The G125-MH12005L5P specifically represents the latch variant with horizontal pins, distinguishing it from vertical or non-latching counterparts within the broader G125 family of connectors.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching exact pitch, row count, locking mechanism, and tail length specifications.
