39-01-2040 Molex Wire Housing – 4-Pin Connector

39-01-2040 Headers & Wire Housings by Molex in USA, India

The Headers & Wire Housings 39-01-2040 by Molex are compact and versatile connectors designed to support robust wire-to-board interconnects in demanding environments. Ideal for a wide range of electronic devices, these 4-circuit housings are part of Molex’s trusted KK® 254 series, known for reliability and precision.

Available at Xon Electronics, the Headers & Wire Housings by Molex are supplied globally, including the USA, India, Australia, Europe, and other countries—delivering industry-standard connectivity worldwide.

Product Overview – 39-01-2040 Housing

The 39-01-2040 is a 2.54mm pitch wire-to-board housing that supports 4 individual circuits. Used in conjunction with Molex’s 08-50 series crimp terminals, it ensures a secure, vibration-resistant connection to standard PCB headers.

Technical Specifications

• Series: KK® 254

• Part Number: 39-01-2040

• Connector Type: Wire-to-Board Housing

• Number of Positions: 4

• Pitch: 2.54mm

• Mounting Type: Free Hanging (In-Line)

• Material: Nylon, UL 94V-2

• Operating Temperature Range: -40°C to +105°C

• RoHS Compliance: Yes

• Compatible Terminals: Molex 08-50 series crimp terminals

• Manufacturer:Molex

This component is widely adopted across industries for its compact size, reliability, and ease of assembly.

Key Features of Molex 39-01-2040

1. Standard 2.54mm Pitch Design
   Compatible with standard PCB headers, making integration simple and effective.

2. 4-Circuit Versatility
   Supports multiple signals or low-voltage power lines within a small footprint.

3. Secure Crimp Terminal Retention
   Designed for reliable insertion and firm locking of crimped terminals.

4. Industrial and Commercial Grade
   The 39-01-2040 Headers & Wire Housings by Molex are ideal for applications requiring long-term durability.

5. Thermal and Flame Resistant
   UL 94V-2 rated material ensures it withstands high temperatures and meets safety standards.

Applications of 39-01-2040 Connectors

1. Consumer Electronics
   Perfect for appliances, displays, and small electronic devices.

2. Automotive Electronics
   Enables secure connections in dashboards, control modules, and interior systems.

3. Industrial Equipment
   Widely used in PLCs, sensors, and control systems.

4. Communication Devices
   Provides dependable signal connectivity in routers and switches.

5. Embedded Systems & Prototyping
   Popular for breadboarding and development boards requiring quick and reusable connections.

Circuit Diagram Context

In a standard application, the 39-01-2040 housing is fitted with four crimped terminals and plugged into a matching 2.54mm PCB header. This enables easy installation and replacement of wiring, reducing downtime in system maintenance.

Use Case Scenario – Compact Wiring for Embedded Control Panels

Scenario: A manufacturer of embedded control panels requires reliable, space-efficient connectors for wiring control signals between sensor modules and the main controller board.

Implementation: The engineering team chooses the 39-01-2040 Headers & Wire Housings by Molex due to their compact 4-position layout and compatibility with off-the-shelf PCB headers.

Benefits:

• Simplifies panel wiring

• Ensures reliable signal transmission

• Reduces connector footprint on the board

Where to Buy Molex 39-01-2040?

The 39-01-2040 Headers & Wire Housings by Molex are available at Xon Electronics, with global shipping to the USA, India, Australia, Europe, and other regions. Our inventory is 100% genuine, competitively priced, and ready to ship.

Conclusion

The 39-01-2040 Headers & Wire Housings by Molex provide an ideal wire-to-board connection solution for compact, reliable, and versatile applications. Whether you're working on automotive systems, industrial equipment, or embedded electronics, these housings ensure secure connections and long-term durability.

Order from Xon Electronics today to access high-performance Headers & Wire Housings by Molex for your next project.

FAQs: Molex 39-01-2040 Connector

Q1. How many circuits does the 39-01-2040 support?
A: It supports 4 circuits.

Q2. What is the pitch of this housing?
A: It features a 2.54mm pitch for standard header compatibility.

Q3. Is it RoHS compliant?
A: Yes, it meets RoHS standards for environmental safety.

Q4. Which terminals are used with this housing?
A: It is compatible with Molex 08-50 series crimp terminals.

Q5. Can it be used in automotive applications?
A: Yes, it is widely used in vehicle interior and control modules.

Q6. Is it heat resistant?
A: Yes, it is made of UL 94V-2 nylon, suitable for high-temperature environments.

Q7. Where can I buy this connector globally?
A: Xon Electronics ships it worldwide—including the USA, India, Europe, and Australia.