Molex 0015445180 80-Position Rectangular Connector Equivalent & Substitute Parts

Part Overview

The Molex 0015445180 is an 80-position receptacle connector designed for board-to-board or cable applications with 0.100" (2.54mm) pitch spacing. This connector features gold-plated mating contacts, through-hole solder termination, and push-pull fastening. The part is currently in active production status with 866 units in stock.

Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or design requirements necessitate alternative contact geometries or material specifications. The 3M 929852-01-40-10 is identified as a manufacturer-recommended substitute, though it carries Last Time Buy status and presents specific parameter variations that require engineering evaluation.

Substiute Parts

0015445180

MolexIn Stock: 8910015445180 Datasheet

Current PartRFQ

929852-01-40-10

3MIn Stock: 1231929852-01-40-10 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0015445180 is determined by the following critical parameters:

Primary Matching Criteria:

• Connector type: Receptacle
• Number of positions: 80
• Pitch spacing: 0.100" (2.54mm)
• Number of rows: 2
• Row spacing: 0.100" (2.54mm)
• Mounting type: Through hole
• Termination method: Solder
• Fastening type: Push-pull
• Mating contact finish: Gold

Secondary Compatibility Parameters:

• Contact type geometry (female socket vs. forked contact)
• Insulation material composition
• Insulation height tolerance
• Contact post length variation
• Operating temperature range
• Current and voltage ratings
• Regulatory compliance status

The 3M 929852-01-40-10 satisfies all primary matching criteria. However, secondary parameter variations exist that affect direct interchangeability and must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: Molex 0015445180

The Molex 0015445180 is the recommended primary choice for new designs and ongoing production. This part maintains active production status, ensuring long-term availability and supply chain stability. It is ROHS3 compliant, meeting current regulatory requirements for commercial and industrial applications. The higher operating temperature rating (-40°C to 125°C) provides thermal margin for demanding environments. The thicker gold plating (30.0µin) on mating contacts offers enhanced durability and contact reliability over extended mating cycles.

Substitute Selection: 3M 929852-01-40-10

The 3M 929852-01-40-10 is suitable as a substitute only when the Molex part is unavailable and the following conditions are met:

1. The application does not require ROHS3 compliance or operates in markets where RoHS non-compliant components are acceptable.
2. The maximum operating temperature requirement does not exceed 105°C.
3. The application can accommodate the forked contact geometry, which differs from the female socket design of the Molex connector.
4. The circuit design can function at the 2.0A current rating (versus 2.5A for Molex).
5. The higher voltage rating (1500VAC) of the 3M part does not create impedance or signal integrity concerns for the application.
6. The different insulation material (PCT polyester vs. LCP) is compatible with the PCB assembly process and environmental conditions.

The 3M part carries Last Time Buy status, indicating no future production. This status restricts its use to applications requiring only limited quantities or short-term availability.

Frequently Asked Questions (FAQ)

Q: Can the 3M 929852-01-40-10 be used as a direct drop-in replacement for the Molex 0015445180?

A: No. While both connectors share identical pitch spacing, row configuration, and mounting type, the contact geometry differs (forked vs. female socket). The mating connector must be compatible with the specific contact type. Additionally, the 3M part is RoHS non-compliant and has a lower maximum operating temperature (105°C vs. 125°C). Mechanical fit and electrical performance must be verified before substitution.

Q: What is the significance of the different contact finish thicknesses?

A: The Molex part features 30.0µin (0.76µm) gold plating on mating contacts, compared to 10.0µin (0.25µm) for the 3M part. Thicker gold plating provides greater resistance to wear, corrosion, and contact degradation during repeated mating cycles. For applications with frequent connector engagement or harsh environmental exposure, the Molex specification offers superior long-term reliability.

Q: Why does the 3M part have a higher voltage rating but lower current rating?

A: Voltage and current ratings are independent electrical parameters determined by different design factors. The 3M connector's 1500VAC rating reflects its insulation material and spacing geometry, while its 2.0A current rating reflects the contact cross-section and thermal dissipation characteristics. These ratings cannot be directly compared or traded off against each other.

Q: Is the difference in insulation height (0.340" vs. 0.325") significant?

A: The 0.015" (0.39mm) difference in insulation height may affect PCB layout, stacking height in multi-connector assemblies, or clearance to adjacent components. Verify that the lower profile of the 3M connector does not create mechanical interference or violate design spacing requirements.

Q: What does "Last Time Buy" status mean for the 3M part?

A: Last Time Buy indicates that the manufacturer has announced end-of-production for this part. No new production runs are planned after the specified cutoff date. Existing inventory may be available for a limited time, but long-term supply cannot be guaranteed. This status makes the 3M part unsuitable for designs requiring extended production runs or future availability.

Q: Are there any compliance concerns with using the 3M part?

A: Yes. The 3M 929852-01-40-10 is RoHS non-compliant, while the Molex 0015445180 is ROHS3 compliant. Applications subject to RoHS regulations (EU, California, and other jurisdictions) must use the Molex part. Additionally, the 3M part is REACH Affected, requiring additional documentation and compliance verification depending on the end application and market.

Q: Can the contact post finish difference (Tin vs. Tin-Lead) affect soldering?

A: The Molex part uses pure tin plating on contact posts, while the 3M part uses tin-lead plating. Both are solderable, but tin-lead plating may require different reflow profiles or solder alloy selection depending on your assembly process. Verify compatibility with your specific soldering equipment and solder specifications before substitution.