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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：80
- 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
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：Flash
- Insulation Color：Black
- Insulation Height：0.093" (2.35mm)
- Contact Length - Post：-
- Operating Temperature：-40°C ~ 125°C
- Material Flammability Rating：UL94 V-0
- Contact Finish - Post：-
- Mated Stacking Heights：-
- Ingress Protection：-
- Features：Board Guide, Pick and Place
- Current Rating (Amps)：1A
- Voltage Rating：-
Download product information
Overview
The A-BL127DG80-021-GSR2 is an 80-position board-to-board receptacle connector manufactured by Assmann WSW Components. It features a 0.050-inch (1.27mm) pitch and utilizes surface mount termination for PCB integration. The contacts are gold-plated to ensure reliable signal transmission. This component is designed for high-density interconnect applications requiring robust mechanical stability and consistent electrical performance in electronic assemblies.
Feature Summary
- High-density 80-position configuration for compact board-to-board connections
- Surface mount termination style for automated PCB assembly
- Gold contact plating for enhanced conductivity and corrosion resistance
Applications
- Board-to-board interconnects in consumer electronics
- Industrial control system module stacking
- Telecommunications equipment internal connectivity
Procurement Notes
Verify the specific suffix GSR2 against the manufacturer's official datasheet to confirm tape-and-reel packaging specifications and quantity per reel. Ensure the ordering part number matches the exact pin count and pitch requirements for your design. Cross-reference with Assmann WSW documentation to confirm active status and lead times before finalizing procurement plans.
Selection Notes
Select this connector when a high-pin-count, low-profile solution is required for vertical or horizontal board stacking. The 1.27mm pitch balances density with manufacturability. Consider the surface mount profile for compatibility with standard SMT reflow processes. Evaluate mechanical retention needs as this is a receptacle type requiring a corresponding header mate.
Part Context
This component belongs to the ASSMANN WSW BL series of board connectors. The series offers various position counts and termination styles. The A-BL127DG80-021-GSR2 specifically denotes the 80-position variant within this lineup, providing a standardized interface for multi-layer or stacked circuit board architectures in modern electronic devices.
Replacement Considerations
The A-BL127DG80-021-GSR1 is listed as a related variant from the same manufacturer. Verify if the suffix change indicates a difference in packaging, material, or rating before substitution. Direct replacement requires identical footprint and mating dimensions.
