Molex 0027624049 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Molex 0027624049 is a vertical rectangular connector header designed for through-hole mounting applications. This 4-position connector operates at a 0.156" (3.96mm) pitch and features shrouded design with friction lock fastening. The part is actively manufactured and widely used across automotive, industrial, medical, and telecommunications applications. Equivalent parts may be required due to supply constraints, regional availability, or design flexibility within compatible electrical and mechanical specifications.

Substiute Parts

0027624049

MolexIn Stock: 7890027624049 Datasheet

Current PartRFQ

3-644615-4

TE Connectivity AMP ConnectorsIn Stock: 18593-644615-4 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0027624049 is determined by strict alignment of the following critical parameters:

• Mating Pitch: 0.156" (3.96mm) - mandatory for mechanical compatibility
• Number of Positions: 4 - required for circuit board layout compatibility
• Number of Rows: 1 - determines connector footprint
• Contact Type: Male Pin - defines mating interface
• Mounting Type: Through Hole - specifies PCB assembly method
• Termination: Solder - establishes connection method
• Fastening Type: Friction Lock - ensures secure mating
• Shrouding: Shrouded - 1 Wall - provides polarization and protection
• Material Flammability Rating: UL94 V-0 - meets safety compliance
• RoHS Status: ROHS3 Compliant - satisfies environmental regulations

The TE Connectivity AMP Connectors part number 3-644615-4 meets all mandatory substitution criteria within the MTA-156 series, maintaining electrical and mechanical compatibility while offering alternative sourcing.

Parameter Comparison

Engineering Selection Recommendations

Both the Molex 0027624049 and TE Connectivity 3-644615-4 maintain active product status and full compliance with ROHS3 and REACH regulations. Selection between these parts should be based on:

• Supply availability: Current inventory levels and lead times from respective manufacturers
• Established design qualification: Use the primary part number if already qualified in production
• Sourcing strategy: Dual-source qualification enables supply chain flexibility
• Regional distribution: Verify local distributor stock and support capabilities

Both connectors satisfy UL94 V-0 flammability requirements and unlimited moisture sensitivity classification, making them suitable for automotive, industrial, medical, and telecommunications applications without additional environmental protection measures.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 3-644615-4 be used as a direct replacement for the Molex 0027624049?

A: Yes. Both connectors share identical mating pitch (0.156"), position count (4), row configuration (1), contact type (male pin), mounting method (through hole), termination (solder), and fastening mechanism (friction lock). Mechanical and electrical compatibility is maintained across all critical parameters.

Q: What are the key differences between these two connector models?

A: The primary differences are in contact post length (Molex: 0.140", TE: 0.125"), overall contact length (Molex: 0.720", TE: 0.700"), insulation height (Molex: 0.446", TE: 0.545"), and insulation material composition (Molex: Polyester glass-filled, TE: Thermoplastic glass-filled). The TE part includes a board guide feature. These variations do not affect substitution eligibility when PCB footprints and mating interface requirements are met.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, classified as EAR99, and carry UL94 V-0 flammability ratings. Moisture sensitivity level is identical (MSL 1 - Unlimited) for both connectors.

Q: What is the mating interface compatibility between these connectors?

A: Both connectors use 0.156" (3.96mm) pitch male pin contacts with tin finish and friction lock fastening. Mating receptacles designed for either connector series will interface correctly with both header types.

Q: Can these connectors be used in automotive applications?

A: Yes. The Molex 0027624049 explicitly lists automotive applications. The TE Connectivity 3-644615-4 is qualified for general purpose and industrial use. Automotive application suitability for the TE part should be confirmed against specific vehicle platform requirements and qualification documentation.