305-040-521-502

Edgeboard Connectors Overview

The EDAC Inc. 305-040-521-502 is a standard card edge connector from the 305 series, designed for panel mount applications. It features a dual-row configuration with 40 positions and a contact pitch of 3.96 mm (0.156 inches). The connector supports a board thickness range of 1.37 mm to 1.78 mm (0.054 to 0.070 inches) and utilizes gold-plated copper alloy contacts with a finish thickness of 10.0 µin (0.25 µm). Rated for 5 A current, it operates within a temperature range of -40°C to +105°C and employs a solder pin termination method.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design accommodates double-sided circuit boards.
• Panel mount installation style provides secure structural attachment.
• Gold-plated copper alloy contacts ensure reliable signal transmission.
• Thermoplastic insulation housing offers mechanical stability.

Edgeboard Connectors Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Test and measurement instrument interfaces

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact physical dimensions and termination type. Ensure compatibility with the target PCB stack-up and mounting hole specifications before procurement. Cross-reference the RoHS status and material declarations with the latest product documentation to meet regulatory requirements.

Edgeboard Connectors Selection Notes

Select this component when a 40-position dual-row interface is required for vertical panel mounting. Confirm that the application environment falls within the specified operating temperature range. Validate that the PCB thickness aligns with the supported range of 1.37 mm to 1.78 mm for proper contact engagement.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which provides various card edge connector options with a consistent 3.96 mm pitch. The series includes different row counts and mounting configurations to support diverse electronic assembly needs across multiple industries.

Edgeboard Connectors Replacement Considerations

Compatible substitutes include other EDAC 305 series connectors with matching 40-position dual-row layouts. Verify identical pitch, board thickness tolerance, and termination style when evaluating alternative part numbers.

Edgeboard Connectors FAQ

What is the supported PCB thickness for this connector?

The connector supports a printed circuit board thickness ranging from 1.37 mm to 1.78 mm (0.054 to 0.070 inches).

What is the contact finish thickness specification?

The gold plating on the copper alloy contacts has a specified thickness of 10.0 µin (0.25 µm).