Phoenix Contact 1859580 Terminal Block Header – Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1859580 is a 9-position terminal block header with male pins, shrouded on four sides, featuring 0.200" (5.08mm) pitch vertical through-hole mounting. This component is part of the COMBICON EMSTBVA series and is currently classified as obsolete. The part operates at 12A (IEC) / 12A (UL) and 320V (IEC) / 300V (UL), with press-fit termination and polybutylene terephthalate (PBT) housing. Due to its obsolete status, equivalent substitute parts from the same manufacturer are available to maintain design compatibility and ensure continued supply chain availability.

Substiute Parts

1859580

Phoenix ContactIn Stock: 8231859580 Datasheet

Current PartRFQ

1755804

Phoenix ContactIn Stock: 20301755804 Datasheet

SimilarRFQ

1955921

Phoenix ContactIn Stock: 9561955921 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1859580 is determined by the following critical parameters:

• Electrical Compatibility: Current and voltage ratings must meet or exceed the original specification (12A IEC, 320V IEC minimum)
• Physical Configuration: 9 positions, 0.200" (5.08mm) pitch, vertical orientation, and through-hole mounting are mandatory
• Connector Type: Male pins with 4-side shrouding required
• Regulatory Compliance: RoHS compliance and UL94 V-0 flammability rating must be maintained
• Termination Interface: Substitutes may employ different termination styles (solder vs. press-fit) provided mechanical and electrical performance remain equivalent

Two active substitute parts meet these criteria: Phoenix Contact 1755804 and Phoenix Contact 1955921. Both maintain the core electrical and mechanical specifications while offering improved product availability and active manufacturing status.

Parameter Comparison

Engineering Selection Recommendations

Phoenix Contact 1755804 is the primary substitute for the 1859580. This part maintains identical pitch, position count, and insulation height while offering superior voltage rating (630V IEC vs. 320V IEC). The transition from press-fit to solder termination requires PCB design modification but provides equivalent electrical performance. Housing material changes from PBT to polyamide (PA/nylon), which maintains UL94 V-0 compliance. Product status is active with robust inventory availability (1978 pcs), ensuring long-term supply chain stability. ROHS3 compliance exceeds the original RoHS requirement.

Phoenix Contact 1955921 serves as an alternative substitute when specific design constraints favor liquid crystal polymer (LCP) housing or when the reduced contact tail length (0.102" vs. 0.154") accommodates board-level space constraints. This part maintains 12A IEC current rating and 400V IEC voltage rating, both exceeding the original 320V specification. UL current rating is 10A, which is acceptable for most applications operating below the 12A threshold. Active product status and RoHS compliance ensure availability and regulatory alignment.

Both substitutes maintain the mandatory 9-position, 0.200" (5.08mm) pitch, vertical through-hole configuration with 4-side shrouding and UL94 V-0 flammability rating. Selection between 1755804 and 1955921 depends on termination method preference, housing material requirements, and PCB layout constraints.

Frequently Asked Questions (FAQ)

Q: Can the 1755804 directly replace the 1859580 without PCB modification?

A: No. The 1859580 uses press-fit termination, while the 1755804 requires solder termination. PCB pad design and hole sizing must be modified to accommodate solder tail geometry. Electrical performance remains equivalent.

Q: What is the primary advantage of the 1955921 over the 1755804?

A: The 1955921 features a shorter contact tail length (0.102" vs. 0.154"), which may reduce PCB stack-up height in space-constrained applications. Housing material is liquid crystal polymer (LCP) instead of polyamide. Both parts maintain equivalent electrical ratings and compliance certifications.

Q: Are all three parts pin-compatible?

A: All three parts share identical pitch (0.200" / 5.08mm), position count (9), and insulation height (0.472" / 12.00mm). However, contact tail length differs between the 1955921 (0.102") and the other two parts (0.154"), requiring PCB design verification before substitution.

Q: Does the voltage rating difference between substitutes affect circuit design?

A: The 1755804 (630V IEC) and 1955921 (400V IEC) both exceed the original 1859580 specification (320V IEC). For applications operating at or below 320V, either substitute is acceptable. For applications approaching 400V, the 1755804 provides additional margin.

Q: What is the impact of housing material changes on thermal performance?

A: Housing material changes from PBT (1859580) to polyamide (1755804) or LCP (1955921) do not affect current-carrying capacity, as electrical performance is determined by contact material and cross-section. All three parts maintain identical current ratings (12A IEC).

Q: Are there packaging differences between the three parts?

A: The 1859580 packaging is listed as unspecified. The 1755804 and 1955921 are supplied in bulk packaging. Inventory availability differs: 1859580 (751 pcs), 1755804 (1978 pcs), and 1955921 (904 pcs).