Phoenix Contact 1981788 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1981788 is a 6-position terminal block plug with male pins, 0.200" (5.08mm) pitch, designed for 180° free-hanging in-line applications. This component features screwless push-in spring termination and supports wire gauges from 12-26 AWG (0.2-2.5mm²). The part is classified as obsolete, making identification of active equivalent components essential for ongoing procurement and system maintenance.

Substiute Parts

1981788

Phoenix ContactIn Stock: 10311981788 Datasheet

Current PartRFQ

1873391

Phoenix ContactIn Stock: 9931873391 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of terminal block plugs is determined by electrical and mechanical compatibility across the following critical parameters:

• Connector pitch and position count: 0.200" (5.08mm) spacing with 6 positions ensures mechanical and electrical alignment
• Electrical ratings: IEC 12A/630V and UL 10A/300V ratings must be maintained
• Wire gauge compatibility: 12-26 AWG (0.2-2.5mm²) acceptance range
• Termination method: Screwless push-in spring technology
• Mounting configuration: 180° free-hanging in-line orientation
• Material and flammability: Polyamide housing with UL94 V-0 rating
• Contact finish: Tin plating for corrosion resistance

The substitute part 1873391 maintains all critical electrical and mechanical parameters while offering active product status and updated compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1873391 is a direct functional equivalent to the 1981788. Both components share identical electrical ratings, mechanical dimensions, and termination characteristics. The primary distinction is product lifecycle status: the 1981788 is obsolete, while the 1873391 maintains active status with current manufacturing support.

The 1873391 carries ROHS3 compliance certification, representing updated regulatory alignment compared to the 1981788's RoHS Compliant designation. Both components maintain EAR99 export classification and identical HTSUS coding, confirming regulatory equivalence.

For new designs or system replacements, the 1873391 is the appropriate selection due to active product status and ongoing availability. Existing systems using the 1981788 can transition to the 1873391 without modification, as all critical electrical and mechanical parameters remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can the 1873391 directly replace the 1981788 in existing applications?

A: Yes. Both components maintain identical electrical ratings (IEC 12A/630V, UL 10A/300V), mechanical pitch (0.200"/5.08mm), wire gauge acceptance (12-26 AWG), and termination method (screwless push-in spring). No circuit or mechanical modifications are required.

Q: What is the difference between the COMBICON FKICS and COMBICON FKIC series designations?

A: The series designation reflects product line evolution. Both series employ identical connector technology and specifications for this 6-position plug configuration. The FKIC series represents the current active product line.

Q: Are there packaging differences between these parts?

A: The 1981788 packaging is listed as unspecified, while the 1873391 is supplied in bulk packaging. Packaging format does not affect electrical or mechanical compatibility.

Q: Why is the 1981788 classified as obsolete?

A: Obsolete status indicates the part has been discontinued by the manufacturer. The 1873391 represents the active replacement within the Phoenix Contact COMBICON terminal block family.

Q: Do both parts meet current regulatory requirements?

A: Both components are RoHS compliant. The 1873391 carries ROHS3 certification, representing the current regulatory standard. Both maintain UL94 V-0 flammability rating and EAR99 export classification.

Q: What wire gauges are compatible with these terminal block plugs?

A: Both components accept wire gauges from 12-26 AWG, equivalent to 0.2-2.5mm² cross-sectional area.