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Product Detailed Parameters
- Description：CONN HEADER VERT 20POS 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：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
- Termination：Solder
- Fastening Type：Latch Lock
- Contact Length - Mating：-
- Contact Length - Post：0.118" (3.00mm)
- 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-MV12005L1R is a Gecko-Latch series shrouded header designed for wire-to-board and power-to-board applications. It features a 1.25 mm pitch with 2 rows and 20 positions. The connector utilizes gold-plated phosphor bronze contacts rated for 2 A current and 250 V/450 V voltage. It employs through-hole solder pin termination in a straight orientation. The housing is constructed from green polyamide (PA) or nylon, meeting UL 94 V-0 flammability standards. Operating temperature ranges from -65°C to +150°C, with an insulation resistance of 10 GOhms.
Feature Summary
- Patented four-finger copper alloy contact design ensures high reliability under extreme vibration conditions.
- Shrouded structure provides secure mating and alignment for latching lock mechanisms.
- Low-profile miniature package offers significant space savings compared to standard high-performance connectors.
Applications
- Wire-to-board interconnections
- Power-to-board connections
- Demanding electronic product designs requiring high reliability
Procurement Notes
Verify the specific datasheet version for the G125-MV12005L1R to confirm exact housing material specifications and RoHS compliance details. Ensure compatibility with mating cables and PCB footprint requirements before procurement. Cross-reference manufacturer part numbers against distributor listings to avoid substitution errors.
Selection Notes
Select this component when a 1.25 mm pitch, 2-row, 20-position through-hole header is required. Consider the 2 A current rating and 150°C maximum operating temperature for thermal constraints. The Gecko-Latch system is suitable for applications needing robust mechanical retention and vibration resistance.
Part Context
This part belongs to the Harwin Gecko family, characterized by a 1.25 mm pitch and low-profile design. The series targets demanding applications requiring high performance in miniature packages. It offers a 35% space saving over other high-performance connectors like Micro-D while maintaining reliable electrical connections.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Verify direct replacements only through official Harwin engineering channels or updated datasheets.
FAQ
What is the contact plating material?
The contacts are made of phosphor bronze with gold plating.
What is the insulation resistance value?
The insulation resistance is specified as 10 GOhms.
