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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：52
- 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：-
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Overview
The A-BL127DG52-021-GSR2 is a 20-position, single-row board-to-board connector from the AW 127 series by ASSMANN WSW. It features a 2.54 mm pitch and utilizes straight through-hole mounting for solder termination. The housing is constructed from polybutylene terephthalate (PBT), while contacts are made of phosphor bronze with tin plating. Rated for 100V and 12A, it operates within a temperature range of -40°C to 105°C and meets UL 94 V-0 flammability standards.
Feature Summary
- Single-row female header configuration designed for direct board-to-board interconnection.
- Through-hole solder termination ensures secure mechanical attachment to printed circuit boards.
- Polybutylene terephthalate (PBT) housing provides structural stability and flame resistance.
Applications
- Board-to-board electrical connections in industrial control systems
- Signal transmission interfaces in consumer electronic devices
- Internal power distribution links within equipment chassis
Procurement Notes
Verify that the specific ordering suffix matches the required contact plating and housing material specifications. Confirm that the pin count and pitch align with the target PCB footprint. Ensure compliance with the stated voltage and current ratings for the intended application environment. Check for RoHS directive adherence if required by project regulations.
Selection Notes
Select this component when a single-row, high-current connection is required between adjacent or stacked circuit boards. The 2.54 mm pitch accommodates standard trace spacing, while the 12A rating supports significant power loads. Consider the through-hole mounting method for robust mechanical retention compared to surface-mount alternatives.
Part Context
This part belongs to the AW 127 series, which offers various configurations of board-to-board connectors. The series is characterized by its use of PBT materials and standardized 2.54 mm spacing, providing a reliable solution for internal device wiring where durability and electrical performance are prioritized.
Replacement Considerations
Consult official manufacturer cross-reference documents for verified substitute part numbers. Generic equivalents may differ in critical parameters such as contact material composition, plating thickness, or thermal endurance limits.
