BL 20 SMD 4 TR

Headers, Receptacles, Female Sockets Overview

The Fischer Elektronik BL 20 SMD 4 TR is a surface-mount female header connector featuring four contacts. It utilizes tin-plated contact sleeves and gold-plated contact springs made from CuZn-alloy. The component supports a nominal current of 3 A and a nominal voltage of 150 V DC, with a test voltage rating of 1500 V. Inter-contact capacitance is limited to ≤ 0.3 pF between adjacent contacts. The assembly withstands vibration resistance up to 15 g, ensuring reliable performance in electronic circuit applications requiring secure surface-mount interconnections.

Headers, Receptacles, Female Sockets Feature Summary

• Surface-mount design for automated PCB assembly
• Gold-plated contact springs ensure low contact resistance
• Tin-plated contact sleeves provide corrosion protection

Headers, Receptacles, Female Sockets Applications

• Electronic circuit board interconnections
• Signal transmission modules
• Industrial control systems

Headers, Receptacles, Female Sockets Procurement Notes

Verify the exact part number against official Fischer Elektronik documentation to confirm pin count and plating specifications. Ensure compatibility with standard surface-mount reflow processes. Check datasheet for mechanical dimensions and thermal requirements before integration into final designs.

Headers, Receptacles, Female Sockets Selection Notes

Select this component when a compact four-position surface-mount interface is required. Consider the 3 A current rating and 150 V DC voltage limits for electrical compliance. Evaluate the vibration resistance specification if the application involves dynamic environments or mechanical stress on the PCB.

Headers, Receptacles, Female Sockets Part Context

This connector belongs to Fischer Elektronik's BL series of headers and sockets. The series offers various contact counts and mounting styles, including through-hole and surface-mount options. These components are designed for general-purpose electronic connections, providing robust mechanical stability and electrical continuity across diverse industrial and consumer electronics applications.

Headers, Receptacles, Female Sockets Replacement Considerations

Consult official manufacturer substitution lists for verified equivalents. Generic cross-references may not match specific alloy compositions or plating thicknesses required for long-term reliability.