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On Jul 15, 2025

39281143 Molex Wire Housing – 14 Circuits, 3.0mm Pitch

39281143 – Durable Wire Housing by Molex for Secure Electrical Connections

The 39281143 Headers & Wire Housings 39281143 by Molex offer high-reliability connections for power and signal applications across automotive, industrial, and consumer electronics. Designed for easy mating and long-term performance, this housing supports multiple terminals and integrates seamlessly into standard Molex connector systems.

In this blog, we’ll explore the technical specifications, benefits, common use cases, installation guidelines, and how to download the datasheet or buy from Xon Electronics.

Technical Specifications of 39281143

Manufacturer: Molex
Part Number: 39281143
Product Type: Wire Housing / Connector
Series: Micro-Fit 3.0
Number of Circuits: 14
Pitch: 3.00 mm
Gender: Receptacle
Mounting Type: Free-Hanging (In-Line)
Material: High-Temperature Thermoplastic
Category: Connectors, Headers & Wire Housings by Molex

The 39281143 Headers & Wire Housings by Molex are designed to ensure mechanical stability and electrical integrity in compact and high-current systems.

Key Features of 39281143

Micro-Fit 3.0 Interface – Supports 5A per contact in a compact 3.0mm pitch
14-Circuit Configuration – Accommodates multiple signal or power lines
Polarized Housing Design – Prevents mismating
High-Temperature Plastic – Withstands reflow and harsh environments
Latch Lock Mechanism – Provides strong retention under vibration

These features make Headers & Wire Housings by Molex ideal for space-saving, high-performance electrical connections.

Applications of 39281143 Molex Housing

Automotive Control Units
Industrial Automation Equipment
Consumer Electronics and Appliances
LED Lighting Systems
Embedded Power Modules

Thanks to their secure latching and compact profile, 39281143 Headers & Wire Housings by Molex are widely adopted in both power and data transmission environments.

Installation & Assembly Guidelines

To install the 39281143 housing:

[Step 1] Crimp Molex Micro-Fit 3.0 terminals onto wire leads
[Step 2] Insert terminals into the housing until they lock in place
[Step 3] Verify polarity and pin configuration
[Step 4] Mate with a compatible Molex header or plug
[Step 5] Perform electrical continuity and retention tests

Engineered for easy integration, Headers & Wire Housings by Molex reduce wiring errors and improve overall cable harness reliability.

Use Case Scenario – Automotive LED Power Distribution

Scenario: An automotive electronics supplier needed a compact wire housing for delivering power to LED modules.

Problem: Previous housings failed under engine bay heat and vibration.

Solution: The 39281143 Headers & Wire Housings by Molex offered high heat resistance and secure locking.

Result: Enhanced system durability and fewer maintenance issues.

This shows why Headers & Wire Housings by Molex are trusted in performance-critical environments.

Download Datasheet for 39281143

Need circuit diagrams, dimensional drawings, or compatibility specs?

[Download 39281143 Datasheet from Xon Electronics]

Why Buy from Xon Electronics?

Xon Electronics stocks a wide range of Headers & Wire Housings by Molex, including the 39281143 model:

100% Genuine Molex Components
Global Shipping – USA, India, Australia, Europe & more
In-Stock Availability & Quick Dispatch
Expert Connector Support
Safe and Simple Checkout Process

Buy now from www.xonelec.com and optimize your wiring systems with Molex’s proven connectivity solutions.

Conclusion

The 39281143 Headers & Wire Housings by Molex provide compact, secure, and high-performance connections for modern electronic systems. With superior retention, excellent thermal stability, and compatibility across platforms, Headers & Wire Housings by Molex ensure dependable operation in harsh and high-density environments—now available globally from Xon Electronics.