BL 7 21

Headers, Receptacles, Female Sockets Overview

The Fischer Elektronik BL 7 21 is a 21-position female header connector designed for through-hole PCB mounting. It features a 2.54 mm (0.100 inch) pitch and utilizes gold-plated contacts to ensure reliable signal transmission. The component is engineered to accommodate wire diameters ranging from 0.65 mm to 0.85 mm, providing precision connections for electronic assemblies.

Headers, Receptacles, Female Sockets Feature Summary

• Designed for precision connections with wire diameters between 0.65 mm and 0.85 mm
• Gold-plated contacts ensure reliable signal transmission
• Engineered for through-hole PCB mounting applications

Headers, Receptacles, Female Sockets Applications

• Through-hole PCB interconnections
• Electronic assembly wiring
• Precision connection requirements

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific part number BL 7 21 against official Fischer Elektronik documentation to confirm contact count and plating specifications. Ensure compatibility with the required wire diameter range of 0.65 mm to 0.85 mm. Cross-reference datasheets for thermal resistance ratings if soldering conditions exceed standard limits. Confirm package type matches the intended PCB layout.

Headers, Receptacles, Female Sockets Selection Notes

Select this connector when a 21-position female header is required for through-hole technology. Verify that the target application supports the 2.54 mm pitch dimension. Ensure the mating pins or wires fall within the specified 0.65 mm to 0.85 mm diameter range. Consider the gold plating for environments requiring high reliability and corrosion resistance.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the Fischer Elektronik BL 7 series of PCB connectors. The series includes various position counts and configurations, such as the BL 7 22 and BL 7 24 models. These connectors are standardized for use in electronic systems requiring robust through-hole interfaces with consistent pitch dimensions.

Headers, Receptacles, Female Sockets Replacement Considerations

Compatible alternatives within the Fischer Elektronik BL 7 family include the BL 7 22 and BL 7 24 models, which share similar design characteristics but differ in contact count. Ensure any substitute maintains the 2.54 mm pitch and through-hole mounting style.