857-020-555-207

Edgeboard Connectors Overview

The EDAC Inc. 857-020-555-207 is a high-temperature standard card edge connector designed for robust electronic interconnections. It features a dual female configuration with 20 positions arranged in two rows. The unit utilizes a 3.96 mm (0.156 inch) pitch and supports a maximum current rating of 5 A per contact. Constructed with gold-plated copper alloy contacts and thermoplastic insulators, it ensures reliable performance across an operating temperature range of -40°C to +105°C. The connector is engineered for panel mount installation in vertical orientations, accommodating PCBs with a thickness of 1.57 mm.

Edgeboard Connectors Feature Summary

• High-temperature rated construction utilizing specialized insulators suitable for demanding thermal environments
• Dual female contact termination system providing secure mating with card edge interfaces
• Gold-plated copper alloy contacts ensuring low resistance and corrosion resistance

Edgeboard Connectors Applications

• Industrial control systems requiring high-temperature reliability
• Panel-mounted electronic modules needing vertical card edge integration
• Heavy-duty instrumentation interfaces subject to elevated thermal conditions

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm exact pin count, plating specifications, and mounting style compatibility. Ensure that the selected variant meets the required environmental ratings and mechanical constraints for the intended application before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when high-temperature stability and durable card edge connectivity are required. Verify that the 20-position dual-row layout aligns with the target PCB design and that the panel mount vertical orientation fits within the available chassis space constraints.

Edgeboard Connectors Part Context

This part belongs to the EDAC 857 series, which specializes in high-temperature card edge connectors. The series provides enhanced thermal performance compared to standard variants, making it suitable for applications where ambient temperatures exceed typical commercial limits while maintaining signal integrity.

Edgeboard Connectors Replacement Considerations

Consult the official EDAC datasheet for cross-reference information regarding compatible substitutes. Verify that any alternative part matches the 20-position count, 3.96 mm pitch, and high-temperature rating requirements.