SL 11 139 20 S

Headers, Male Pins Overview

The SL 11 139 20 S is a single-row male pin header connector manufactured by Fischer Elektronik. It features a 20-position configuration with a 0.100 inch (2.54 mm) pitch. Designed for through-hole mounting, the connector utilizes copper-tin alloy contacts with selective gold plating on the mating interface. The unit supports a voltage rating of 250VAC and a current rating of 3A. The contact length measures 0.319 inches (8.10 mm), while the total contact length is 0.547 inches (13.90 mm).

Headers, Male Pins Feature Summary

• Single-row male pin header design for reliable PCB interconnection.
• Selective gold plating on contact surfaces ensures low resistance and corrosion resistance.
• Through-hole mounting style provides secure mechanical attachment to printed circuit boards.

Headers, Male Pins Applications

• General electronic equipment signal routing
• Industrial control board interconnections
• Test and measurement device interfaces

Headers, Male Pins Procurement Notes

Verify that the specific suffix 'S' denotes selective gold plating as required for your application environment. Confirm the 20-position count matches the target PCB footprint exactly. Ensure the through-hole pin dimensions align with the drilled holes in the assembly. Cross-reference the datasheet for thermal soldering profiles to prevent damage during wave or reflow processes.

Headers, Male Pins Selection Notes

Select this component when a single-row male header with 20 positions is required. The 2.54 mm pitch is standard for many legacy and modern systems. Choose this variant over tin-plated versions if higher conductivity and oxidation resistance are needed for frequent mating cycles. Verify that the 3A current rating meets the electrical load requirements of the circuit design.

Headers, Male Pins Part Context

This part belongs to the SL 11 139 series of precision-engineered connectors from Fischer Elektronik. The series offers various position counts and plating options. The SL 11 139 20 S specifically represents the 20-position variant with selective gold plating. It is designed for applications requiring robust connectivity within compact rectangular connector form factors.

Headers, Male Pins Replacement Considerations

Compatible substitutes include other Fischer Elektronik headers from the SL 11 139 series with matching 20-position counts and selective gold plating. Generic equivalents must match the 2.54 mm pitch, through-hole mounting type, and 250VAC/3A ratings. Verify physical dimensions and contact geometry before substitution.

Headers, Male Pins FAQ

What does the 'S' suffix indicate in the model number?

The 'S' suffix indicates that the contacts feature selective gold plating on the mating surface, providing enhanced conductivity and corrosion resistance compared to standard tin plating.

Is this connector suitable for high-temperature environments?

The connector is rated for operation up to +163°C, making it suitable for standard industrial and commercial electronic applications requiring moderate thermal stability.