BL 5 21

Headers, Receptacles, Female Sockets Overview

The Fischer Elektronik BL 5 21 is a PCB receptacle from the BL 5 series, designed for board-to-board interconnections. It features a 2.54 mm pitch and a single row of 21 contacts. The connector utilizes through-hole straight mounting with gold-plated inner spring contact surfaces to ensure reliable signal transmission. This component is engineered for precision electronic assemblies requiring stable mechanical and electrical performance.

Headers, Receptacles, Female Sockets Feature Summary

• Gold-plated inner spring contact surface for enhanced conductivity
• Single-row configuration with 21 contacts
• Through-hole straight mounting style

Headers, Receptacles, Female Sockets Applications

• Precision electronic assemblies
• Board-to-board interconnections
• Stable signal transmission systems

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific contact plating thickness and material composition against the official datasheet before integration. Confirm that the through-hole pin dimensions match your PCB layout requirements. Ensure the operating environment does not exceed the thermal limits specified by Fischer Elektronik for the BL 5 series components.

Headers, Receptacles, Female Sockets Selection Notes

Select this model when a 21-position, single-row connector with a 2.54 mm pitch is required. The gold-plated spring contacts are suitable for applications demanding low contact resistance and high reliability. Consider the straight mounting orientation and through-hole termination method during PCB design.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the Fischer Elektronik BL 5 series, which specializes in female headers and PCB connectors. The series is characterized by its use of spring contact technology and gold plating for durability. The BL 5 21 specifically provides a 21-contact solution within this standardized family of precision interconnects.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must maintain the 2.54 mm pitch, 21 positions, and single-row through-hole format. Verify compatibility of the contact plating and housing material with existing assembly processes. Cross-reference mechanical drawings to ensure identical footprint and height specifications.