Phoenix Contact 1961339 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1961339 is a 22-position terminal block header with male pins, shrouded on four sides, designed for vertical through-hole mounting with 2.5mm pitch spacing. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations. The part operates at 4A current (IEC) and 160V voltage rating, with solder termination and UL94 V-0 flammability compliance.

Substiute Parts

1961339

Phoenix ContactIn Stock: 6671961339 Datasheet

Current PartRFQ

1844976

Phoenix ContactIn Stock: 6991844976 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute identification for the Phoenix Contact 1961339 is based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

• Header type with male pins and four-side shrouding
• Vertical through-hole mounting orientation
• Solder termination style
• Polyamide housing material
• Voltage rating of 160V or higher (IEC)
• Current rating of 4A or higher (IEC)
• Two-level configuration

Secondary Compatibility Factors:

• Pitch spacing (2.5mm nominal, with 2.54mm as acceptable alternative for non-critical spacing applications)
• Position count and positions-per-level configuration
• Contact tail length and insulation height within acceptable mechanical envelope
• RoHS and MSL compliance status

The substitute part Phoenix Contact 1844976 meets these criteria with the following considerations: it maintains the same header type, shrouding, orientation, and termination method. While it features a slightly different pitch (2.54mm vs. 2.50mm) and higher position count (24 vs. 22), it provides equivalent electrical performance with superior current rating (6A vs. 4A) and active product status.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1844976 is the designated substitute for the obsolete 1961339 based on the following engineering factors:

Product Status Alignment: The 1844976 maintains active product status, ensuring continued availability, technical support, and supply chain reliability. The 1961339 obsolete classification necessitates transition to an active alternative.

Compliance and Certification: Both parts maintain RoHS compliance. The 1844976 carries ROHS3 Compliant status with REACH Unaffected designation, providing enhanced regulatory alignment for current manufacturing standards. Both parts carry MSL 1 (Unlimited) moisture sensitivity rating.

Electrical Performance: The 1844976 provides superior electrical specifications with 6A current rating versus the 1961339's 4A rating, while maintaining equivalent 160V voltage rating. This enhanced current capacity provides design margin for applications originally specified for the 1961339.

Mechanical Compatibility: The 1844976 features gold contact mating finish compared to tin on the 1961339, improving contact reliability and corrosion resistance. The pitch difference (2.54mm vs. 2.50mm) represents a 0.16mm variance per position, resulting in approximately 4.6mm total dimensional difference across the 22-position span. This variance is within acceptable tolerance for most PCB layout applications.

Position Configuration: The 1844976 provides 24 positions (12 per level) versus 22 positions (11 per level) on the 1961339. Applications utilizing fewer than 24 positions can implement the substitute with unused positions left unconnected.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 1844976 directly replace the 1961339 without PCB modification?

A: The 1844976 can function as a substitute in most applications. The primary consideration is pitch spacing: the 1844976 uses 2.54mm pitch versus the 1961339's 2.50mm pitch. For PCB designs with 2.50mm pitch footprints, the 1844976 will not align precisely. PCB layout modification or use of an adapter interface may be required depending on application constraints.

Q: What is the significance of the position count difference (22 vs. 24)?

A: The 1844976 provides two additional positions per level (12 vs. 11). Applications requiring exactly 22 positions can utilize the 1844976 by leaving two positions unconnected. This does not affect electrical performance for the active connections.

Q: How does the contact finish difference (tin vs. gold) impact substitution?

A: The gold contact finish on the 1844976 provides superior corrosion resistance and contact reliability compared to tin. This represents an improvement over the original 1961339 specification and is suitable for all applications originally specified for the 1961339.

Q: Is the 6A current rating of the 1844976 compatible with 4A-rated applications?

A: Yes. The 1844976's 6A current rating exceeds the 1961339's 4A rating. Applications designed for 4A operation will function within the 1844976's electrical envelope with enhanced current capacity margin.

Q: What are the voltage compatibility considerations?

A: Both parts maintain 160V IEC voltage rating. The 1844976 additionally specifies 150V UL rating. Voltage compatibility is maintained across both specifications.

Q: Are there any MSL or moisture sensitivity concerns with substitution?

A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations. Storage and handling requirements are equivalent between the two parts.