837-021-558-604

Edgeboard Connectors Overview

The EDAC Inc. 837-021-558-604 is a standard card edge connector from the 837 High Temperature Series, designed for through-hole mounting with right-angle termination. It features 21 positions in a single row configuration with a 3.96 mm (0.156 inch) contact spacing. The connector utilizes gold-plated copper alloy contacts and a green diallyl phthalate insulator. Rated for 3 A current, it supports wire wrap end-termination and accommodates board thicknesses between 1.37 mm and 1.78 mm. Operating temperatures range from -40°C to 125°C.

Edgeboard Connectors Feature Summary

• High-temperature rated construction suitable for demanding thermal environments
• Gold-plated contacts ensure reliable signal transmission and corrosion resistance
• Right-angle through-hole design facilitates efficient PCB layout integration

Edgeboard Connectors Applications

• Industrial control systems requiring high-temperature stability
• Automotive electronics applications
• Communication equipment infrastructure
• Military and aerospace electronic assemblies

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact plating thickness, flange characteristics, and material certifications. Ensure compatibility with target PCB thickness specifications before procurement. Confirm RoHS compliance status directly with the manufacturer or authorized distributors as regulatory requirements may vary by region and production batch.

Edgeboard Connectors Selection Notes

Select this component when a single-edge female connector with 21 positions and 3.96 mm pitch is required. Verify that the application environment stays within the -40°C to 125°C operating range. Ensure the PCB thickness falls within the specified 1.37 mm to 1.78 mm window for proper mechanical engagement. Confirm wire wrap termination capability matches the assembly process.

Edgeboard Connectors Part Context

This part belongs to the EDAC 837 Series, a line of high-temperature card edge connectors. The series offers various position counts and termination styles, all sharing consistent 3.96 mm spacing and robust construction. The 837 series is engineered for reliability in harsh conditions, utilizing durable materials like diallyl phthalate for insulation.

Edgeboard Connectors Replacement Considerations

Direct substitutes include other EDAC 837 series variants with matching 21-position single-row configurations. Cross-model replacements from other manufacturers require verification of pitch, current rating, and mechanical dimensions. Always validate electrical and thermal specifications against the original datasheet before substitution.