39-00-0078 – 2.54mm Crimp Terminal by Molex for Reliable Wire Connections
The Headers & Wire Housings 39-00-0078 by Molex are part of the widely used KK 254 series, offering reliable and compact crimp terminals that pair with standard Molex connector housings. Engineered for wire-to-board applications, this terminal provides secure electrical and mechanical connections, making it ideal for consumer electronics, automotive systems, industrial control panels, and more.
In this blog, we’ll walk through the specifications, features, wiring guide, applications, and how to download the datasheet or order from Xon Electronics.
Technical Specifications of 39-00-0078
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Manufacturer: Molex
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Part Number: 39-00-0078
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Type: Crimp Terminal for Headers & Wire Housings
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Series: KK 254
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Terminal Type: Female Crimp Terminal
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Wire Gauge Support: 22–30 AWG
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Material: Brass
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Plating: Tin
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Current Rating: Up to 5A
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Pitch Compatibility: 2.54 mm
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Category: Interconnects, Headers & Wire Housings by Molex
The 39-00-0078 Headers & Wire Housings by Molex offer secure mating with KK 254 series housings, ensuring dependable connections in compact and high-density layouts.
Key Features of 39-00-0078
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Wide Wire Gauge Compatibility – Supports 22 to 30 AWG wires
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Tin-Plated Brass Contact – Ensures corrosion resistance and conductivity
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Compatible with KK 254 Series Housings – Simplifies interconnect standardization
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Up to 5A Current Capacity – Suitable for signal and low-power circuits
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Reliable Crimp Performance – Secure and vibration-resistant connection
These advantages make Headers & Wire Housings by Molex the go-to solution for durable and easy-to-assemble wiring systems across industries.
??? Applications of 39-00-0078 Terminal
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Consumer Electronics & Home Appliances
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Automotive Infotainment & Power Systems
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LED Lighting Assemblies
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Industrial Control Units
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Test & Measurement Equipment
The 39-00-0078 Headers & Wire Housings by Molex are trusted in applications where consistent, compact, and serviceable connections are essential.
Crimping and Installation Guide
To use the 39-00-0078 crimp terminal:
[Step 1] Strip the wire (approx. 3–4 mm)
[Step 2] Insert the wire into the terminal barrel
[Step 3] Use a compatible Molex crimping tool for precise and secure crimp
[Step 4] Insert the crimped terminal into a compatible KK 254 housing until it locks
The process ensures consistent contact retention and minimizes installation time.
Use Case Scenario – Wiring Harness in Embedded System
Scenario: An embedded device manufacturer needed a compact and serviceable connector for internal power and signal lines.
Problem: Soldered connections were slowing down prototyping and repairs.
Solution: The 39-00-0078 terminal, along with KK 254 housings, offered modularity and speed.
Result: Faster assembly, easier servicing, and reduced downtime.
That’s why engineers prefer Headers & Wire Housings by Molex when performance and flexibility are required.
Download Datasheet for 39-00-0078
Looking for technical drawings, current specs, or crimp tooling info?
[Download 39-00-0078 Datasheet from Xon Electronics]
Why Buy from Xon Electronics?
Xon Electronics stocks a wide range of Headers & Wire Housings by Molex, including the 39-00-0078 crimp terminal:
- 100% Genuine Molex Products
- Worldwide Shipping – USA, India, Australia, Europe & more
- Available for Prototyping & Mass Production
- Technical Assistance & Compatibility Support
- Fast, Secure Online Ordering
Order today from www.xonelec.com and build better connections with Molex components.
Conclusion
The 39-00-0078 Headers & Wire Housings by Molex provide a compact, reliable, and industry-standard solution for wire-to-board connectivity. With solid electrical performance, ease of use, and compatibility with the KK 254 series, these crimp terminals help engineers streamline wiring in a wide range of products. Choose Headers & Wire Housings by Molex for dependable interconnect performance—available globally from Xon Electronics.
FAQs – 39-00-0078 Crimp Terminal
Q1. What wire sizes does this terminal support?
22 to 30 AWG.
Q2. What housing series is it compatible with?
Molex KK 254 series.
Q3. What is the current rating?
Up to 5A, depending on wire gauge and housing.
Q4. Can it be used in automotive and consumer electronics?
Yes, it’s widely used in both sectors.
Q5. Where can I purchase it globally?
At www.xonelec.com with delivery to USA, India, Australia, Europe, and more.