Molex 0382500405 Equivalent & Substitute Parts

Part Overview

The Molex 0382500405 is a 5-circuit barrier block connector with 0.438" (11.12mm) pitch spacing, designed for chassis and panel mounting applications. This component features dual-wall barrier construction, phenolic insulation, and UL94 V-0 flammability rating. The part is classified as obsolete, making equivalent substitutes necessary for ongoing procurement and system maintenance. Barrier block connectors in this category serve as fixed terminal connection points for industrial control, power distribution, and signal routing applications where screw-based termination and high dielectric isolation are required.

Substiute Parts

0382500405

MolexIn Stock: 8310382500405 Datasheet

Current PartRFQ

431000-05-0

Curtis IndustriesIn Stock: 1029431000-05-0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for barrier block connectors is determined by the following critical parameters:

Mandatory Matching Parameters:

• Number of circuits: 5
• Pitch spacing: 0.438" (11.12mm)
• Barrier type: 2 Wall (Dual)
• Mounting type: Chassis, Panel
• Terminal block type: Barrier Block
• Flammability rating: UL94 V-0
• RoHS compliance: ROHS3 Compliant

Allowable Parameter Variations:

• Current rating: Substitute may equal or exceed the original (15A minimum)
• Voltage rating: Substitute may equal or exceed the original (300V minimum)
• Wire gauge range: Substitute must accommodate the original wire gauge range or broader
• Operating temperature: Substitute may differ if application requirements permit
• Insulation material: May vary if flammability and electrical properties are maintained
• Termination method: Screw termination required; screws may be included or separate

The Curtis Industries 431000-05-0 meets all mandatory matching parameters and exceeds performance specifications in current and voltage ratings, making it a valid substitute for the obsolete Molex 0382500405.

Parameter Comparison

Engineering Selection Recommendations

The Curtis Industries 431000-05-0 is the recommended substitute for the obsolete Molex 0382500405. Both components maintain identical mechanical and electrical interface specifications, ensuring direct form-fit-function compatibility in existing designs.

Compliance Basis:

• Both parts are ROHS3 compliant, meeting current environmental regulations
• Both achieve UL94 V-0 flammability certification, maintaining safety requirements
• Both support identical mounting configurations and circuit density

Performance Advantage: The Curtis Industries substitute provides enhanced electrical performance with 20A current capacity (versus 15A) and 600V voltage rating (versus 300V), offering design margin for applications operating near the original component's limits.

Procurement Status: The Curtis Industries 431000-05-0 is active production status with 976 units in stock, ensuring reliable long-term availability compared to the obsolete Molex part.

Frequently Asked Questions (FAQ)

Q: Can the Curtis Industries 431000-05-0 be used as a direct replacement in existing assemblies designed for the Molex 0382500405?

A: Yes. Both components share identical pitch spacing (0.438"), circuit count (5), barrier configuration (2 Wall Dual), mounting type (Chassis/Panel), and flammability rating (UL94 V-0). Physical and electrical interfaces are compatible.

Q: What is the difference in wire gauge acceptance between these parts?

A: The Molex 0382500405 accepts 14-24 AWG wire. The Curtis Industries 431000-05-0 accepts 12-22 AWG wire. The Curtis part accommodates the full original range, ensuring compatibility with existing wiring specifications.

Q: Are the termination methods compatible?

A: Both components use screw-based top termination. The Molex part specifies screws are not included; the Curtis part includes screws. This represents an advantage, as no additional hardware procurement is required for the substitute.

Q: Does the higher voltage and current rating of the Curtis part affect compatibility?

A: No. Higher electrical ratings do not compromise compatibility. The Curtis Industries 431000-05-0 maintains all mechanical interfaces and can safely handle applications designed for the lower-rated Molex component.

Q: Are both parts RoHS compliant?

A: Yes. Both the Molex 0382500405 and Curtis Industries 431000-05-0 are ROHS3 compliant, meeting current environmental and regulatory requirements.

Q: What is the operating temperature difference between these parts?

A: The Molex part operates to 150°C; the Curtis part operates to 105°C. Application requirements should be evaluated to confirm the Curtis part's temperature rating is acceptable for the intended use case.