104656

Overview

The TE Connectivity ERNI 104656 is a press-fit header connector featuring a 2.0 mm grid pitch and 154 positions. It utilizes a dual-row configuration to facilitate high-density PCB interconnections. The component is designed for robust mechanical retention through press-fit termination, eliminating the need for soldering during assembly. This specific part number represents a standard header variant within the ERNI MicroSpeed or similar high-reliability series, optimized for applications requiring stable signal transmission and durable physical mounting in industrial or automotive environments.

Feature Summary

• High-density 154-position layout with 2.0 mm pitch
• Press-fit termination for reliable PCB mounting
• Dual-row design for space-efficient connections

Applications

• Industrial automation control systems
• Automotive electronic modules
• High-density server backplanes

Procurement Notes

Verify the exact pin count and row configuration against the official datasheet before procurement. Confirm that the press-fit termination method aligns with your PCB manufacturing capabilities. Ensure the operating temperature range meets your specific environmental requirements. Cross-reference the RoHS status if regulatory compliance is mandatory for your project.

Selection Notes

Select this component when high I/O density is required within a constrained footprint. The 2.0 mm pitch offers a balance between signal integrity and board space utilization. Consider the press-fit technology if reworkability or automated insertion speed is a priority over traditional soldering methods. Evaluate mating connector compatibility to ensure system integration success.

Part Context

This part belongs to the ERNI connector portfolio, now integrated into TE Connectivity. ERNI specializes in high-speed and fine-pitch connectivity solutions. The 104656 model exemplifies the brand's focus on miniaturization and reliability for demanding electronic applications, leveraging advanced materials and precision engineering to maintain performance under stress.

Replacement Considerations

Check for direct cross-references from other manufacturers offering identical 154-pos, 2.0mm pitch press-fit headers. Verify mechanical dimensions and electrical ratings match exactly. Ensure any substitute maintains the same contact material and plating specifications for reliable long-term performance.