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Product Detailed Parameters
- Description：CONN HDR R/A 12POS
- Series：Datamate L-Tek
- Mfr：Harwin Inc.
- Package：Tape & Reel (TR)
- 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 Holder
- Contact Length - Mating：-
- Contact Length - Post：0.185" (4.70mm)
- Overall Contact Length：-
- Insulation Height：0.218" (5.55mm)
- Contact Shape：Circular
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：-
- Contact Finish - Post：Gold
- Contact Material：Phosphor Bronze
- Insulation Material：Polyamide (PA4T), Nylon 4T
- Features：-
- Operating Temperature：-65°C ~ 150°C
- Ingress Protection：-
- Material Flammability Rating：UL94 V-0
- Insulation Color：Green
- Current Rating (Amps)：2A
- Voltage Rating：-
Download product information
Overview
The Harwin G125-MH21205L3R is a male header connector from the Gecko-SL series, featuring a 1.25 mm pitch and 20 positions in a dual-row configuration. It utilizes horizontal through-hole solder pins with gold-plated phosphor bronze contacts rated for 2 A current. The housing is constructed from green polyamide (PA) plastic, offering UL 94 V-0 flammability ratings. Designed for robust performance, it operates within a temperature range of -65°C to +150°C and includes jackscrew locking mechanisms for secure mating.
Feature Summary
- Horizontal through-hole mounting style with solder pin termination
- Gold-plated phosphor bronze contacts ensuring reliable signal transmission
- Jackscrew locking mechanism for secure board-to-board connection
- High-temperature resistant polyamide housing material
Applications
- High-density electronic interconnects requiring space efficiency
- Industrial equipment operating in extreme temperature environments
- Automotive electronics subject to high vibration conditions
- Consumer devices needing compact power and signal routing
Procurement Notes
Verify the specific suffix 'L3R' against the manufacturer's official datasheet to confirm tape-and-reel packaging specifications and orientation. Ensure compatibility with mating sockets regarding the jackscrew locking interface. Confirm RoHS compliance status directly with the supplier documentation prior to procurement integration.
Selection Notes
Select this component when horizontal profile constraints require a low-height connector footprint. The 1.25 mm pitch allows for significant space savings compared to larger pitch alternatives. Verify that the PCB layout supports the required 20-position dual-row arrangement and that the soldering process accommodates the through-hole pin length.
Part Context
This part belongs to the Harwin Gecko family, engineered for high reliability in miniature packages. The series is designed to withstand extreme vibration up to 100g along the Z-axis. The patented four-finger copper alloy contact design ensures consistent electrical performance across the specified wide temperature operating range.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching the 1.25 mm pitch, 20-position count, horizontal orientation, and jackscrew locking feature exactly.
