Molex 0387090121 Terminal Block Equivalent & Substitute Parts

Part Overview

Molex part number 0387090121 is a barrier block terminal block from the Beau 38709 series. It is a 5-circuit, 0.325" (8.26mm) pitch terminal block designed for electrical interconnection using screws with a captive plate and PC pin bottom termination. The product is classified as obsolete, which necessitates the identification of compatible alternative or substitute models for continuity in design and replacement needs.

Substiute Parts

0387090121

MolexIn Stock: 10340387090121 Datasheet

Current PartRFQ

OSTYK42105030

On Shore Technology Inc.In Stock: 7025OSTYK42105030 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is based solely on matching the following key parameters: number of circuits, pitch, terminal block type, current rating, voltage rating, wire gauge support, termination types, barrier design, row count, color, mounting method, insulation material flammability rating, RoHS compliance, and moisture sensitivity level. Substitute parts must fully align with these parameters for equivalent electrical and mechanical fit.

Parameter Comparison

Engineering Selection Recommendations

Molex 0387090121 has an obsolete product status. When sourcing replacements, compatible substitute parts must maintain identical category, terminal block type, number of circuits, pitch, wire gauge range, termination method, material flammability rating, RoHS status, and MSL rating as provided. Substitute parts listed meet these criteria according to supplied data and compliance declarations.

Frequently Asked Questions (FAQ)

Q: Which parameters are critical when selecting a terminal block substitute for Molex 0387090121?
A: The critical parameters are: number of circuits, pitch, terminal block type, current and voltage ratings, wire gauge compatibility, termination types, mounting method, material flammability rating, RoHS status, color, and moisture sensitivity level.

Q: Is packaging a factor for electrical or mechanical substitution suitability?
A: Packaging is not a determining factor for electrical or mechanical interchangeability in terminal block applications as long as the core configuration and form factor match.

Q: What product status should I consider during selection?
A: Select an active or in-production substitute when the main part status is obsolete. Reference inventory status and manufacturer lifecycle declarations.

Q: Are there differences in temperature ratings between substitutes?
A: Refer to the parameter comparison table for supplied operating temperature ranges to ensure suitability for the intended application environment.

Q: Is there compatibility with RoHS3 and flammability requirements?
A: All substitute parts listed maintain RoHS3 compliance and UL94 V-0 insulation material flammability rating according to provided specifications.

Q: Must features, color, or other data beyond the above list match?
A: The above key parameters are necessary for substitution; features beyond these are not required unless specified.