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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：48
- Number of Positions Loaded：All
- Pitch - Mating：0.050" (1.27mm)
- Number of Rows：2
- Row Spacing - Mating：0.050" (1.27mm)
- Mounting Type：Through Hole
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：Flash
- Insulation Color：Black
- Insulation Height：0.134" (3.40mm)
- Contact Length - Post：0.094" (2.40mm)
- Operating Temperature：-40°C ~ 105°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-BL127-DG-G48D is a 127-position board-to-board connector receptacle manufactured by Assmann WSW Components. It features a double row configuration with a 0.50 mm pitch, designed for surface mount technology (SMT) assembly. The connector utilizes gold-plated contacts to ensure reliable signal transmission and corrosion resistance in high-density electronic applications.
Feature Summary
- High-density interconnect solution with 0.50 mm pitch for compact PCB layouts
- Gold-plated contact surfaces provide durable electrical performance and oxidation resistance
- Surface mount design facilitates automated pick-and-place manufacturing processes
Applications
- Mobile communication devices requiring compact interconnects
- Consumer electronics with high-density board-to-board connections
- Industrial control systems utilizing SMT assembly techniques
Procurement Notes
Verify the specific suffix codes against the manufacturer's current datasheet to confirm exact pin count and termination style. Ensure compatibility with standard reflow soldering profiles for lead-free assemblies. Confirm that the selected variant matches the required mating header specifications for proper mechanical engagement.
Selection Notes
Select this component when space constraints necessitate a 0.50 mm pitch interface. Evaluate the mechanical retention requirements of the application to determine if additional locking mechanisms are necessary beyond the standard receptacle design. Consider the total height profile to ensure clearance within the device enclosure.
Part Context
This part belongs to the Assmann WSW Components series of high-speed board-to-board connectors. These components are engineered for modern electronics where miniaturization and signal integrity are critical. The series supports various configurations to meet diverse industry standards for consumer and industrial hardware.
Replacement Considerations
Direct substitutes must match the 0.50 mm pitch, 127-pin count, and double-row SMT footprint. Verify that alternative manufacturers offer compatible gold plating thickness and housing material properties to maintain mechanical and electrical equivalence.
