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Product Detailed Parameters
- Description：CONN HDR R/A 12POS
- Series：Gecko
- 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：12
- 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 Lock
- Contact Length - Mating：-
- Contact Length - Post：0.189" (4.80mm)
- Overall Contact Length：-
- Insulation Height：0.218" (5.55mm)
- 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：-
- Operating Temperature：-65°C ~ 150°C
- Ingress Protection：-
- Material Flammability Rating：UL94 V-0
- Insulation Color：Green
- Current Rating (Amps)：2A
- Voltage Rating：450VAC/DC
Download product information
Overview
Harwin G125-MH21205L2R is a Gecko-Latch series shrouded header with 10 positions (2x5) and 1.25 mm pitch. It features right-angle through-hole solder pin termination, male contacts, and gold plating on phosphor bronze terminals. The connector supports 2 A current rating, operates from -65°C to +150°C, and uses UL 94 V-0 green polyamide housing.
Feature Summary
- Patented four-finger copper alloy contact design for high reliability under extreme vibration
- Gecko-Latch locking mechanism ensures secure mating retention
- Shrouded housing provides alignment and protection during assembly
Applications
- Wire-to-board interconnections in compact electronics
- High-reliability industrial control systems
- Automotive electronic modules requiring vibration resistance
Procurement Notes
Verify the specific suffix L2R against Harwin’s official datasheet to confirm right-angle orientation and 4.5/2.4 mm height specifications. Ensure compatibility with mating sockets in the same Gecko-Latch family. Cross-reference RoHS compliance status directly with manufacturer documentation prior to procurement.
Selection Notes
Select this part when space-constrained designs require 1.25 mm pitch with robust mechanical retention. The right-angle configuration suits PCB layouts needing perpendicular wire exit. Confirm thermal and vibration environment requirements align with the -65°C to +150°C operating range and 100g Z-axis vibration tolerance.
Part Context
The G125 series represents Harwin’s high-density connector family offering 35% space savings over Micro-D types. This model belongs to the Gecko-Latch sub-series, distinguished by its latching feature and suitability for demanding environments where standard headers may fail due to shock or vibration.
Replacement Considerations
No publicly confirmed substitute part numbers are documented for G125-MH21205L2R. Direct replacement requires identical Gecko-Latch family components with matching 1.25 mm pitch, 2-row configuration, and right-angle through-hole termination.
