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Product Detailed Parameters
- Description：FEMALE HEADER
- Series：A-BL127
- Mfr：Assmann WSW Components
- Package：Bulk
- Connector Type：Receptacle
- Contact Type：Female Socket
- Style：Board to Board
- Number of Positions：90
- Number of Positions Loaded：All
- Pitch - Mating：0.050" (1.27mm)
- Number of Rows：2
- Row Spacing - Mating：0.050" (1.27mm)
- Mounting Type：Surface Mount, Right Angle
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：Flash
- Insulation Color：Black
- Insulation Height：-
- Contact Length - Post：-
- Operating Temperature：-40°C ~ 125°C
- Material Flammability Rating：UL94 V-0
- Contact Finish - Post：-
- Mated Stacking Heights：-
- Ingress Protection：-
- Features：-
- Current Rating (Amps)：1A
- Voltage Rating：-
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Overview
The A-BL127DA90-034-GSR1 is a surface mount female header connector manufactured by Assmann WSW Components. It features 90 positions with a 0.050-inch (1.27mm) pitch and right-angle termination. The contacts are gold-plated for enhanced conductivity and corrosion resistance. Designed for board-to-board applications, this component supports reliable signal transmission in compact electronic assemblies requiring high-density interconnects.
Feature Summary
- Right-angle surface mount design for space-efficient PCB integration
- Gold-plated contacts ensure stable electrical performance
- High-density 90-position configuration for complex circuit connections
Applications
- Board-to-board interconnections
- High-density electronic assemblies
- Compact consumer electronics modules
Procurement Notes
Verify the specific ordering suffix GSR1 against the manufacturer's latest datasheet to confirm tape-and-reel packaging specifications. Ensure compatibility with automated pick-and-place equipment due to the surface mount form factor. Cross-reference the 90-position count and 1.27mm pitch with schematic requirements before finalizing procurement orders.
Selection Notes
Select this component when a right-angle, high-pin-count interface is required for surface mounting. The 1.27mm pitch offers a balance between density and manufacturability. Gold plating is suitable for environments where long-term reliability and low contact resistance are critical. Verify mechanical clearance for the right-angle profile during PCB layout.
Part Context
This part belongs to the A-BL127DA series of female headers from Assmann WSW Components. The series provides various pin counts and configurations for board-to-board connectivity. The DA variant typically denotes specific mechanical dimensions and termination styles within the product line.
Replacement Considerations
Direct substitutes must match the 90-position count, 1.27mm pitch, right-angle orientation, and surface mount technology. Verify that alternative manufacturers offer compatible gold-plated contacts and identical housing materials to ensure mechanical fit and electrical continuity.
