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Product Detailed Parameters
- Description：FEMALE HEADER, STAMPED PIN, 2.54
- Series：A-BL254
- Mfr：Assmann WSW Components
- Package：Tape & Reel (TR)
- Connector Type：Header
- Contact Type：Forked
- Style：Board to Board
- Number of Positions：50
- Number of Positions Loaded：All
- Pitch - Mating：0.100" (2.54mm)
- Number of Rows：2
- Row Spacing - Mating：0.100" (2.54mm)
- 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：0.197" (5.00mm)
- Contact Length - Post：-
- Operating Temperature：-40°C ~ 105°C
- Material Flammability Rating：UL94 V-0
- Contact Finish - Post：-
- Mated Stacking Heights：-
- Ingress Protection：-
- Features：-
- Current Rating (Amps)：3A
- Voltage Rating：-
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Overview
The A-BL-254DA50-085GSR1 is a 40-position, dual-row female header connector from the ASSMANN WSW A-BL254 series. It features a 2.54 mm pin pitch and is designed for through-hole vertical mounting on printed circuit boards. The unit supports a maximum voltage of 500V and a current rating of 12A. Contacts are constructed from bronze with gold plating to ensure reliable signal transmission. The housing material meets UL 94 V-0 flammability standards, providing operational stability within a temperature range of -40°C to +105°C.
Feature Summary
- Dual-row configuration with 40 contacts arranged in two parallel lines
- Gold-plated bronze contacts for enhanced conductivity and corrosion resistance
- Vertical through-hole termination style for secure PCB integration
- High dielectric strength rated at 500V with 12A current capacity
Applications
- Industrial control system interconnects
- Consumer electronics assembly
- Communication equipment signal routing
- General-purpose board-to-board connections
Procurement Notes
Verify the specific suffix 'GSR1' against the manufacturer's official datasheet to confirm exact plating thickness and packaging format. Ensure the ordering part number matches the required contact count and row configuration. Cross-reference the UL certification details with local regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when a high-density, dual-row interface is required for vertical PCB mounting. The 2.54 mm pitch ensures compatibility with standard male headers. Consider the 500V rating for applications requiring higher isolation than typical 250V connectors. Verify that the through-hole footprint aligns with the target PCB design constraints.
Part Context
This connector belongs to the A-BL254 series, which provides robust connectivity solutions for various electronic assemblies. The series is characterized by its standardized 2.54 mm spacing and durable construction materials. It serves as a critical interface element in systems requiring reliable electrical pathways between circuit boards or components.
Replacement Considerations
Consult the official ASSMANN WSW cross-reference documentation for verified substitute part numbers. Do not assume interchangeability based solely on matching pin counts or pitch dimensions without verifying mechanical and electrical specifications.
