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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：50
- 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-G50D is a 50-position dual-row header receptacle connector manufactured by Assmann WSW Components. It features a 1.27 mm (0.050 inch) pitch and utilizes through-hole termination for secure PCB mounting. The contacts are constructed from bronze with gold plating to ensure reliable signal transmission. Rated for 500V voltage and 12A current, the component operates within a temperature range of -40°C to +105°C. The housing meets UL 94 V-0 flammability standards.
Feature Summary
- Dual-row receptacle design providing high-density connection capabilities
- Gold-plated bronze contacts ensuring corrosion resistance and conductivity
- Through-hole termination method for robust mechanical stability
Applications
- Industrial control systems requiring reliable interconnects
- Consumer electronics assemblies with space constraints
- General-purpose circuit board interfacing applications
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to confirm pin count and row configuration. Ensure compatibility with mating header pins regarding pitch and contact size. Check for RoHS compliance status if required by project specifications. Confirm that the through-hole footprint matches the target PCB layout dimensions before procurement.
Selection Notes
Select this component when a 1.27 mm pitch dual-row receptacle is required for through-hole assembly. Consider the 500V rating and 12A current capacity for appropriate electrical loads. Evaluate the operating temperature range against environmental conditions. Ensure the gold-plated contact finish aligns with signal integrity requirements for the application.
Part Context
This receptacle belongs to the A-BL series from Assmann WSW Components, designed for standard board-to-board or cable-to-board connections. The series offers various pin counts and configurations to suit different density needs. The A-BL127 variant specifically addresses applications requiring precise 1.27 mm spacing for compact electronic designs.
Replacement Considerations
Compatible substitutes include other 1.27 mm pitch dual-row headers from manufacturers such as Molex, Samtec, or JAE. Verify that alternative parts match the 50-position count, through-hole termination, and physical dimensions. Ensure electrical ratings meet or exceed the original specifications.
