Phoenix Contact 1704291 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1704291 is a 3-position terminal block header with male pins and partial shroud, designed for 90° right-angle through-hole mounting at 5.00mm pitch. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations. The part operates within IEC ratings of 14.6A at 400V and UL ratings of 10A at 300V, with solder termination and RoHS compliance.

Substiute Parts

1704291

Phoenix ContactIn Stock: 10421704291 Datasheet

Current PartRFQ

1571140000

WeidmüllerIn Stock: 7931571140000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1704291 is determined by the following critical parameters:

• Position count and pitch: Must maintain 3 positions at 0.197" (5.00mm) pitch for PCB footprint compatibility
• Orientation: 90° right-angle configuration required for mechanical fit
• Termination method: Solder termination for assembly process compatibility
• Mounting type: Through-hole mounting to match existing board designs
• Electrical ratings: Current and voltage ratings must meet or exceed IEC 14.6A/400V and UL 10A/300V minimums
• Compliance standards: RoHS compliance and UL94 V-0 flammability rating required for regulatory alignment

The Weidmüller 1571140000 qualifies as a functional substitute based on matching all critical parameters while offering enhanced electrical performance and active product status.

Parameter Comparison

Engineering Selection Recommendations

The Weidmüller 1571140000 is the qualified substitute for the obsolete Phoenix Contact 1704291. Selection rationale is based on:

• Functional equivalence: Identical position count, pitch, orientation, and termination method ensure direct PCB compatibility without layout modifications
• Electrical performance: The substitute meets all minimum electrical requirements with margin, providing 18A IEC and 15A UL current ratings versus the original 14.6A IEC and 10A UL specifications
• Regulatory compliance: Both components maintain UL94 V-0 flammability rating and RoHS compliance, satisfying safety and environmental standards
• Active product status: The Weidmüller part is actively manufactured, ensuring long-term availability and supply chain stability compared to the obsolete Phoenix Contact original

Physical differences exist in shroud design (partial versus 2-side shrouded), housing material (polyamide versus polybutylene terephthalate), and contact tail length (4.60mm versus 3.20mm). These variations do not affect electrical function or standard PCB mounting applications.

Frequently Asked Questions (FAQ)

Q: Can the Weidmüller 1571140000 be used as a direct replacement without PCB modifications?

A: Yes. Both components share identical position count (3), pitch (5.00mm), orientation (90° right-angle), and through-hole mounting configuration. No PCB layout changes are required.

Q: What is the difference between partial shroud and 2-side shrouded designs?

A: The Phoenix Contact 1704291 features partial shroud coverage, while the Weidmüller 1571140000 provides 2-side shrouded protection. Both designs accommodate the same mating connectors at 5.00mm pitch. The enhanced shrouding on the substitute offers improved mechanical protection during assembly and operation.

Q: Are the electrical ratings of the Weidmüller part sufficient for applications designed for the Phoenix Contact original?

A: Yes. The Weidmüller 1571140000 exceeds the original specifications with 18A IEC (versus 14.6A) and 15A UL (versus 10A) current ratings. Voltage ratings remain equivalent at 400V IEC and 300V UL.

Q: Does the difference in contact tail length (4.60mm versus 3.20mm) affect compatibility?

A: Contact tail length differences do not affect PCB mounting compatibility for standard through-hole applications. Both lengths are within acceptable ranges for solder joint formation and mechanical stability.

Q: Are both components RoHS compliant?

A: Yes. Both the Phoenix Contact 1704291 and Weidmüller 1571140000 are RoHS compliant with UL94 V-0 flammability ratings, meeting current regulatory requirements.