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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：40
- Number of Positions Loaded：All
- Pitch - Mating：0.100" (2.54mm)
- Number of Rows：1
- Row Spacing - Mating：-
- 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-254EA40-085GSR1 is a 40-position female header connector from the ASSMANN WSW A-BL254 series. It features a 2.54 mm (0.100 inch) pin spacing and utilizes surface mount technology with right-angle termination. The contacts are gold-plated stamped pins designed for reliable signal transmission. This component is engineered for high-density board-to-board or cable-to-board interconnections, offering robust mechanical stability and electrical performance within standard industrial operating temperature ranges.
Feature Summary
- Surface mount right-angle configuration for compact PCB layout integration
- Gold-plated stamped female contacts ensure low contact resistance and corrosion resistance
- 2.54 mm pitch provides standardized compatibility with mating male headers
Applications
- High-density electronic equipment internal wiring
- Industrial control system interface modules
- Consumer electronics board-to-board connections
Procurement Notes
Verify that the specific suffix EA indicates the right-angle surface mount variant distinct from straight through-hole versions. Confirm the reel packaging quantity matches production requirements. Ensure the gold plating specification aligns with environmental exposure needs. Cross-reference the pin count to prevent ordering errors between similar series components.
Selection Notes
Choose this model when right-angle surface mounting is required for space-constrained designs. The stamped pin construction offers cost-effectiveness compared to formed pins. Verify that the PCB footprint supports the specific terminal geometry of the EA series. Consider thermal management during soldering due to the surface mount profile.
Part Context
This part belongs to the A-BL254 family of rectangular connectors, which are widely used in general-purpose electronic assemblies. The manufacturer specializes in IC sockets and IDC connectors, providing standardized solutions for flat cable and board applications. This specific header complements their range of mating terminals and cable assemblies.
Replacement Considerations
Direct substitutes include other 40-position 2.54mm right-angle SMD female headers with identical footprint dimensions. Verify that alternative brands maintain the same contact plating thickness and current rating specifications to ensure functional equivalence without redesigning the PCB.
