Molex 0382100708 Equivalent & Substitute Parts

Part Overview

The Molex 0382100708 is an 8-circuit barrier block connector with 0.563" (14.30mm) pitch, rated for 30A at 300V. This component features screws with solder lugs for top termination and a closed bottom termination, designed for chassis and panel mounting applications. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where this connector type is specified.

Substiute Parts

0382100708

MolexIn Stock: 10230382100708 Datasheet

Current PartRFQ

1546310-8

TE Connectivity AMP ConnectorsIn Stock: 76571546310-8 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The TE Connectivity AMP Connectors 1546310-8 qualifies as a direct substitute for the Molex 0382100708 based on the following critical parameters:

Matching Parameters:

• Terminal block type: Barrier Block
• Number of circuits: 8
• Pitch: 0.563" (14.30mm)
• Number of rows: 2
• Current rating: 30A
• Voltage rating: 300V
• Barrier type: 2 Wall (Dual)
• Mounting type: Chassis, Panel
• Flammability rating: UL94 V-0
• RoHS3 compliance

Allowable Variations:

• Wire gauge: 1546310-8 supports 10-22 AWG (expanded range vs. 10-18 AWG)
• Top termination: 1546310-8 uses screws only (vs. screws with solder lugs)
• Operating temperature: 1546310-8 rated -40°C ~ 120°C (vs. 150°C maximum)
• Insulation material: PBT (vs. Phenolic)
• Terminal screw finish: Nickel (vs. Zinc, Chromate)

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 1546310-8 is an active product with ROHS3 compliance and UL94 V-0 flammability certification, matching the regulatory requirements of the obsolete Molex 0382100708. Both components maintain identical electrical specifications (30A, 300V) and mechanical compatibility (8 circuits, 0.563" pitch, dual-wall barrier, flange mounting).

Selection of the TE Connectivity substitute should account for the following differences:

Operating Temperature: The Molex part supports continuous operation to 150°C, while the TE Connectivity part is rated to 120°C maximum. Applications requiring sustained operation above 120°C require thermal analysis or alternative component selection.

Top Termination: The Molex part includes solder lugs integrated with the screw terminals. The TE Connectivity part provides screw-only termination. PCB layouts designed for solder lug connections require modification or supplementary soldering procedures.

Wire Gauge Accommodation: The TE Connectivity part accepts wire gauges from 10-22 AWG, providing expanded compatibility compared to the 10-18 AWG specification of the Molex part.

Both components are suitable for direct mechanical and electrical substitution in applications where operating temperature does not exceed 120°C and termination method can be adapted to screw-only configuration.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 1546310-8 be used as a direct replacement in existing designs?

A: Mechanical and electrical compatibility is confirmed for applications operating at or below 120°C. Designs requiring solder lug termination must be modified to accommodate screw-only termination. Thermal requirements above 120°C necessitate alternative component evaluation.

Q: What is the significance of the pitch specification in substitution?

A: Pitch (0.563" / 14.30mm) determines the physical spacing between circuits and is critical for PCB layout compatibility. Both the Molex and TE Connectivity parts share identical pitch, ensuring mechanical fit without layout modification.

Q: How do the wire gauge ranges differ between these parts?

A: The Molex 0382100708 accommodates 10-18 AWG wire. The TE Connectivity 1546310-8 accommodates 10-22 AWG wire, providing expanded compatibility with smaller gauge conductors. Both parts support the full 10-18 AWG range, ensuring compatibility with existing wiring specifications.

Q: What is the difference between phenolic and PBT insulation materials?

A: Both materials meet UL94 V-0 flammability requirements. Phenolic (Molex) and PBT (TE Connectivity) differ in moisture absorption, chemical resistance, and temperature performance. The TE Connectivity part's lower maximum operating temperature (120°C vs. 150°C) reflects these material differences.

Q: Are both parts RoHS compliant?

A: Both the Molex 0382100708 and TE Connectivity 1546310-8 are ROHS3 compliant, meeting current regulatory requirements for hazardous substance restrictions.

Q: What is the barrier type, and why is it important?

A: The 2 Wall (Dual) barrier type provides electrical isolation between adjacent circuits. Both parts feature identical barrier configuration, ensuring equivalent safety and performance characteristics.