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Product Detailed Parameters
- Description：CONN RCPT 34POS 0.049 GOLD SMD
- Series：Gecko SL Reverse Fix
- Mfr：Harwin Inc.
- Package：Tape & Reel (TR)
- Connector Type：Receptacle
- Contact Type：Female Socket
- Style：Board to Board or Cable
- Number of Positions：34
- Number of Positions Loaded：All
- Pitch - Mating：0.049" (1.25mm)
- Number of Rows：2
- Row Spacing - Mating：0.049" (1.25mm)
- Mounting Type：Surface Mount
- Termination：Solder
- Fastening Type：Screw Lock
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：8.00µin (0.203µm)
- Insulation Color：Green
- Insulation Height：0.207" (5.25mm)
- Contact Length - Post：-
- Operating Temperature：-65°C ~ 150°C
- Material Flammability Rating：UL94 V-0
- Contact Finish - Post：Gold
- Mated Stacking Heights：7.33mm, 7.4mm
- Ingress Protection：-
- Features：Jackscrews, Pick and Place, Polarizing Key
- Current Rating (Amps)：2A
- Voltage Rating：450V
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Overview
The Harwin G125-FS13405F3R is a Gecko-SL series power-to-board connector featuring a 1.25 mm pitch and 34 positions in a dual-row configuration. It utilizes female socket contacts made of beryllium copper with gold plating, rated for 2 A current. Designed for surface mount technology (SMT), this component employs reverse fix mounting to ensure stability during reflow soldering. The housing is constructed from green nylon, supporting an operating temperature range from -65 °C to +150 °C.
Feature Summary
- Reverse fix mounting mechanism ensures secure positioning during SMT reflow processes
- Patented four-finger copper alloy contact design provides high reliability under extreme vibration
- Low profile geometry achieves significant space savings compared to standard high-performance connectors
Applications
- High-density power distribution in compact electronic assemblies
- Industrial equipment requiring resistance to extreme vibration and temperature
- Automotive electronics demanding reliable board-to-board connections
Procurement Notes
Verify the specific suffix 'R' indicates tape and reel packaging rather than bulk or cut tape when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure compatibility with the corresponding male header series within the Gecko-SL family for proper mating engagement.
Selection Notes
Select this variant for applications necessitating surface mount installation with enhanced mechanical retention during assembly. The 1.25 mm pitch allows for higher density routing compared to larger pitch alternatives. Consider the reverse fix feature if standard SMT placement stability is insufficient for the production environment.
Part Context
This component belongs to the Harwin Gecko-SL family, characterized by a 1.25 mm pin spacing designed for miniature packages. The series offers a 35% space saving over comparable high-performance connectors like Micro-D types. It is engineered for demanding environments with wide temperature tolerance and high vibration resistance.
Replacement Considerations
Direct substitutes within the same series include G125-FS13405F3P, which differs primarily in packaging format. Verify that alternative part numbers maintain identical electrical ratings, mechanical dimensions, and contact configurations before substitution.
