Molex 0387000109 Equivalent & Substitute Parts

Part Overview

The Molex 0387000109 is a 9-circuit barrier block connector with 0.325" (8.26mm) pitch, rated for 15A at 300V. This terminal block is designed for chassis and panel mounting applications requiring screw-based wire termination. The part is currently active in production with 1,042 units in stock. Equivalent parts are identified when they maintain the same electrical ratings, mechanical configuration, and functional performance characteristics required for direct substitution in existing designs.

Substiute Parts

0387000109

MolexIn Stock: 11480387000109 Datasheet

Current PartRFQ

325000-09-0

Curtis IndustriesIn Stock: 882325000-09-0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0387000109 is determined by the following critical parameters:

• Electrical Compatibility: Current rating (15A minimum), voltage rating (300V minimum), and wire gauge acceptance
• Mechanical Compatibility: 9-circuit configuration, 0.325" (8.26mm) pitch, single-row layout, and screw-based termination
• Physical Configuration: Barrier block type with dual-wall barrier, flange feature, and chassis/panel mounting capability
• Regulatory Compliance: ROHS3 compliance and EAR99 classification

The Curtis Industries 325000-09-0 qualifies as an equivalent substitute based on matching all critical electrical and mechanical parameters within the allowed specifications for this product category.

Parameter Comparison

Engineering Selection Recommendations

Both the Molex 0387000109 and Curtis Industries 325000-09-0 meet the core electrical and mechanical requirements for 9-circuit barrier block applications at 15A/300V with 0.325" pitch. Both parts are ROHS3 compliant and carry EAR99 classification, satisfying standard regulatory requirements.

The Molex part is currently active with higher inventory availability (1,042 units). The Curtis Industries equivalent is also active with 796 units in stock. Selection between these parts should be based on supply chain requirements, lead time considerations, and existing design documentation preferences.

Frequently Asked Questions (FAQ)

Q: Can Curtis Industries 325000-09-0 be used as a direct replacement for Molex 0387000109?

A: Yes. Both parts share identical electrical ratings (15A, 300V), mechanical configuration (9 circuits, 0.325" pitch), termination method (screw-based), and barrier block design (dual-wall). Physical mounting and circuit spacing are equivalent.

Q: What wire gauge differences exist between these parts?

A: Molex 0387000109 accepts 12-22 AWG wire. Curtis Industries 325000-09-0 accepts 14-22 AWG wire. The Curtis part does not accommodate 12 AWG wire. Verify wire gauge requirements in your application before substitution.

Q: Are there differences in insulation material?

A: Yes. Molex uses Polybutylene Terephthalate (PBT) or Polyester. Curtis Industries uses Polypropylene (PP) with UL94 V-0 flammability rating. Both materials are suitable for standard barrier block applications.

Q: Do operating temperature ratings differ?

A: Molex 0387000109 does not specify an operating temperature limit. Curtis Industries 325000-09-0 is rated to 105°C. For applications requiring temperature specification, the Curtis part provides documented thermal performance.

Q: Are both parts available in the same packaging?

A: Yes. Both are supplied in bulk packaging.