Phoenix Contact 1941003 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1941003 is a 2-position terminal block header with male pins, shrouded on all four sides, designed for vertical through-hole mounting with 5.00mm pitch spacing. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing production and maintenance applications. The part operates at 12A (IEC) / 12A (UL) and 400V (IEC) / 300V (UL), providing reliable electrical connectivity in industrial control and distribution systems.

Substiute Parts

1941003

Phoenix ContactIn Stock: 9871941003 Datasheet

Current PartRFQ

1837022

Phoenix ContactIn Stock: 10631837022 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1941003 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Number of Positions: 2
• Pitch: 0.197" (5.00mm)
• Header Orientation: Vertical
• Type: Header, Male Pins, Shrouded (4 Side)
• Mounting Type: Through Hole
• Termination Style: Solder

Electrical Compatibility Parameters:

• Current Rating: Minimum 12A (IEC standard)
• Voltage Rating: Minimum 300V (UL standard)
• Contact Mating Finish: Tin

Compliance Parameters:

• RoHS Compliant status required

The Phoenix Contact 1837022 meets all mandatory matching parameters and electrical compatibility requirements, qualifying it as a direct functional equivalent despite differences in housing material and minor dimensional variations.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1837022 is the active equivalent for the obsolete 1941003 terminal block header. Both components maintain identical electrical specifications for IEC and UL standards at the critical 12A / 300V operating point. The 1837022 offers enhanced current capacity under UL rating (16A versus 12A), providing additional design margin without compromising compatibility.

The transition from Polyamide (PA) Nylon housing in the 1941003 to Liquid Crystal Polymer (LCP) housing in the 1837022 represents an improvement in material performance characteristics. Both materials are RoHS compliant and rated for MSL 1 (unlimited moisture sensitivity level).

The 1837022 is currently in active production status, ensuring long-term availability and supply chain continuity. Direct PCB footprint compatibility is maintained through identical pitch spacing (5.00mm), vertical orientation, and through-hole mounting configuration.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 1837022 directly replace the 1941003 in existing designs?

A: Yes. Both components share identical pitch (5.00mm), position count (2), orientation (vertical), and mounting type (through-hole solder). Electrical ratings meet or exceed the original specification at 12A / 300V (UL). PCB layout modifications are not required.

Q: What is the significance of the housing material change from Polyamide to Liquid Crystal Polymer?

A: Liquid Crystal Polymer (LCP) offers superior thermal stability and dimensional consistency compared to Polyamide (PA) Nylon. Both materials are RoHS compliant and suitable for industrial applications. The material change does not affect electrical performance or mechanical compatibility.

Q: Why does the 1837022 have a shorter contact tail length (2.00mm versus 3.70mm)?

A: Contact tail length is a manufacturing design parameter that does not affect electrical or mechanical compatibility when solder termination is used. The shorter tail in the 1837022 is accommodated by standard PCB design practices for through-hole components.

Q: Are there any compliance or certification differences between these parts?

A: Both components are RoHS compliant with identical MSL 1 (unlimited) moisture sensitivity ratings. Both carry EAR99 ECCN classification and 8536.69.4040 HTSUS code. No compliance barriers exist for substitution.

Q: What is the current availability status of each part?

A: The 1941003 is classified as obsolete with 911 pieces in current inventory. The 1837022 is in active production status with 981 pieces in current inventory, ensuring ongoing supply chain access.