PS-34B2-1 Equivalent & Substitute Parts

Part Overview

The PS-34B2-1 is a 34-position ribbon cable connector manufactured by JAE Electronics, designed for through-hole mounting applications with IDC (Insulation Displacement Connector) termination. This connector features a 0.050" cable pitch and 0.200" board-side pitch configuration with four rows of contacts spaced 0.100" apart. The product is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Substiute Parts

PS-34B2-1

JAE ElectronicsIn Stock: 1198PS-34B2-1 Datasheet

Current PartRFQ

CWR-142-34-0203

CW IndustriesIn Stock: 1488CWR-142-34-0203 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PS-34B2-1 is determined by strict alignment of the following critical parameters:

• Number of Positions: Must be 34
• Cable Pitch: Must be 0.050" (1.27mm)
• Board-Side Pitch: Must be 0.200" (5.08mm)
• Number of Rows: Must be 4
• Row Spacing: Must be 0.100" (2.54mm)
• Mounting Type: Must be Through Hole
• Cable Termination: Must be IDC
• Connector Type: Must be Ribbon Cable

The CWR-142-34-0203 manufactured by CW Industries meets all critical dimensional and functional parameters. While the wire gauge specification differs (28-30 AWG stranded or solid versus 28 AWG solid), this represents an expanded compatibility range rather than a deviation, as 28 AWG falls within the acceptable range. The contact finish differs (tin versus gold), which is a material property variation that does not affect mechanical or electrical compatibility for standard applications.

Parameter Comparison

Engineering Selection Recommendations

The CWR-142-34-0203 is the qualified substitute for the PS-34B2-1. Selection rationale is based on the following factors:

Dimensional and Functional Compatibility: All critical pitch, row, and position parameters are identical, ensuring mechanical and electrical interchangeability in existing PCB layouts and cable assemblies.

Product Status: The CWR-142-34-0203 maintains active product status with current manufacturing support, addressing the obsolescence of the PS-34B2-1.

Compliance and Certifications: Both connectors share identical MSL ratings (1 - Unlimited) and ECCN classification (EAR99). The CWR-142-34-0203 carries RoHS3 compliance and REACH unaffected status, meeting modern regulatory requirements.

Wire Gauge Compatibility: The expanded wire gauge specification (28-30 AWG stranded or solid) of the CWR-142-34-0203 encompasses the 28 AWG requirement of the PS-34B2-1, providing flexibility in cable sourcing without compromising connector performance.

Contact Finish Consideration: The tin contact finish of the CWR-142-34-0203 differs from the gold finish of the PS-34B2-1. For applications requiring specific contact finish properties, this difference should be evaluated against system requirements.

Frequently Asked Questions (FAQ)

Q: Can the CWR-142-34-0203 be used as a direct replacement for the PS-34B2-1 in existing designs?

A: Yes. The CWR-142-34-0203 is mechanically and electrically compatible with the PS-34B2-1. All critical dimensional parameters—position count, cable pitch, board-side pitch, row configuration, and row spacing—are identical. The connector will function in existing PCB footprints and cable assemblies without modification.

Q: What is the significance of the wire gauge difference between the two connectors?

A: The PS-34B2-1 specifies 28 AWG wire gauge, while the CWR-142-34-0203 accepts 28-30 AWG wire in both stranded and solid configurations. This expanded specification of the substitute part is compatible with the original requirement, as 28 AWG falls within the acceptable range. Cable assemblies designed for 28 AWG can be used with the CWR-142-34-0203 without performance degradation.

Q: Does the contact finish difference affect connector performance?

A: Contact finish (gold versus tin) is a material property that affects corrosion resistance and contact resistance characteristics. The gold finish of the PS-34B2-1 provides superior corrosion resistance in harsh environments, while the tin finish of the CWR-142-34-0203 is suitable for standard industrial applications. Selection between these finishes should be based on the specific environmental and reliability requirements of the application.

Q: Are there any compliance or regulatory differences between these connectors?

A: Both connectors share identical MSL ratings (1 - Unlimited) and ECCN classification (EAR99). The CWR-142-34-0203 carries RoHS3 compliance and REACH unaffected status, meeting current regulatory standards. The PS-34B2-1, being obsolete, may not meet current compliance requirements for new designs.

Q: What is the availability status of each connector?

A: The PS-34B2-1 is classified as obsolete with 1,126 pieces currently in stock. The CWR-142-34-0203 is an active product with 1,477 pieces in stock, ensuring ongoing availability for new procurement and future production runs.