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Product Detailed Parameters
- Description：CONN HDR VERT 20POS
- 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：Surface Mount
- Termination：Solder
- Fastening Type：Latch Lock
- Contact Length - Mating：-
- Contact Length - Post：-
- 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：Gold
- Contact Material：Phosphor Bronze
- Insulation Material：Polyamide (PA4T), Nylon 4T, Glass Filled
- Features：Board Lock
- Operating Temperature：-65°C ~ 150°C
- Ingress Protection：-
- Material Flammability Rating：UL94 V-0
- Insulation Color：Black
- Current Rating (Amps)：2A
- Voltage Rating：450VAC/DC
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Overview
The Harwin G125-MS12005L1P is a Gecko series power-to-board connector featuring a 1.25 mm pitch and 20 positions in a dual-row configuration. It utilizes male pin contacts made of phosphor bronze with gold plating, rated for 2 A current and up to 450 V voltage. Designed for surface mount (SMT) installation, the connector operates within a temperature range of -65°C to +150°C. The housing is constructed from polyamide (PA) with UL 94 V-0 flammability rating and green insulation color.
Feature Summary
- Surface mount vertical header design for compact board integration
- Gold-plated phosphor bronze contacts ensure reliable conductivity
- Polyamide housing provides high thermal stability and insulation
Applications
- Power distribution on printed circuit boards
- Board-to-board interconnects in industrial equipment
- Wire-to-board connections requiring secure mounting
Procurement Notes
Verify component authenticity by checking manufacturer markings and datasheet alignment. Confirm RoHS compliance status through official documentation. Ensure storage conditions maintain integrity before soldering. Validate package type matches specific order requirements. Cross-reference part numbers with authorized distributor lists to avoid counterfeit sources.
Selection Notes
Select this connector for applications requiring high-density power routing with SMT compatibility. Consider the 1.25 mm pitch for space-constrained designs. Evaluate thermal performance against the +150°C maximum operating limit. Assess mechanical stability needs for the straight mounting style. Verify contact material suitability for the intended electrical load.
Part Context
This component belongs to the Harwin Gecko family, known for high-reliability interconnect solutions. The G125 series specifically targets power delivery applications with robust construction. It complements other Gecko connectors by offering standardized dimensions and mating interfaces. The series supports various configurations including headers and wire housings.
Replacement Considerations
Compatible substitutes include G125-MS12005L2P and G125-MS12005L3P. These variants share similar electrical ratings and form factors. Verify pin count and row configuration match before substitution. Check housing material and plating specifications for equivalence.
