Phoenix Contact 1911091 Terminal Block Header – Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1911091 is a 10-position terminal block header with male pins, shrouded on four sides, designed for 0.138" (4.60mm) pitch vertical through-hole mounting. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Substiute Parts

1911091

Phoenix ContactIn Stock: 10241911091 Datasheet

Current PartRFQ

1843680

Phoenix ContactIn Stock: 36441843680 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1911091 is determined by strict alignment across the following critical parameters:

• Electrical Compatibility: Current rating (8A IEC/UL), voltage rating (250V IEC / 300V UL)
• Mechanical Compatibility: 10-position count, 0.138" (4.60mm) pitch, vertical orientation, through-hole mounting, shrouded (4-side) design
• Material & Safety: PBT housing, UL94 V-0 flammability rating, tin contact finish
• Regulatory Compliance: RoHS compliance status

The Phoenix Contact 1843680 meets all substitution criteria across these parameters. The primary distinction is the transition from press-fit termination (1911091) to solder termination (1843680), coupled with a shift from obsolete to active product status and minor variations in contact tail length and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1843680 is the direct functional equivalent for the obsolete 1911091 model. Both components share identical electrical ratings, mechanical dimensions (pitch, position count, orientation), housing material, and safety certifications. The 1843680 carries active product status and ROHS3 compliance, providing assurance of continued availability and regulatory alignment for new designs and system updates.

The transition from press-fit to solder termination represents the primary design difference. This change requires PCB layout adjustment to accommodate solder tail insertion rather than press-fit contact holes. The contact tail length reduction from 0.150" to 0.134" must be verified against PCB hole depth specifications to ensure proper seating and solder joint formation.

For applications requiring press-fit termination, the 1911091 remains the specified component; however, given its obsolete status, long-term sourcing should prioritize the 1843680 with appropriate PCB redesign to accommodate solder termination.

Frequently Asked Questions (FAQ)

Q: Can the 1843680 be used as a direct drop-in replacement for the 1911091?

A: Electrical and mechanical compatibility is confirmed across all critical parameters. However, termination method differs: the 1911091 uses press-fit termination while the 1843680 requires solder termination. PCB design modification is necessary to accommodate the solder tail configuration.

Q: What is the significance of the contact tail length difference (0.150" vs. 0.134")?

A: Contact tail length affects PCB hole depth and solder joint formation. The 1843680's shorter tail (0.134") requires verification that PCB through-hole depth is sufficient for proper solder joint coverage without component lift-off during thermal cycling.

Q: Are the electrical ratings identical between these parts?

A: Yes. Both components are rated for 8A (IEC/UL) and 250V IEC / 300V UL, with identical housing material (PBT) and flammability rating (UL94 V-0).

Q: Why is the 1911091 listed as obsolete?

A: The 1911091 has been superseded by the 1843680 within the Phoenix Contact product portfolio. The 1843680 represents the current active equivalent with updated compliance certifications (ROHS3).

Q: What packaging considerations apply to the 1843680?

A: The 1843680 is supplied in bulk packaging, whereas the 1911091 packaging specification is not provided. Verify bulk packaging compatibility with procurement and assembly workflows.