0039012045

CRIMP HOUSING

**0039012045 – 4-Position Mini-Fit Jr. Crimp Housing – Molex**

Secure your power connections reliably with the Molex 0039012045, a high-quality, 4-position crimp housing from the trusted Mini-Fit Jr. 5557 series. Designed for robust in-line power delivery, this receptacle housing ensures a stable and secure latch-lock connection, ideal for demanding applications. PCX supplies this essential interconnect component with guaranteed stock availability and swift shipping.

**Key Features:**
* **Manufacturer & Series:** Molex Mini-Fit Jr. 5557
* **Connector Type:** Female Socket Receptacle
* **Positions:** 4 (2 Rows x 2 Positions)
* **Pitch:** 0.165″ (4.20mm)
* **Mounting:** Free Hanging (In-Line)
* **Termination:** Crimp (Contacts Not Included)
* **Fastening:** Secure Latch Lock
* **Operating Temperature:** -40°C to 105°C
* **Insulation Material:** Durable Polyamide (PA66, Nylon 6/6)
* **Color:** Natural

**Technical Details:**
This rectangular connector housing features a 2-row configuration with a row spacing of 0.165″ (4.20mm), matching its pitch. Constructed from high-temperature Polyamide (Nylon 6/6), it offers excellent mechanical strength and electrical insulation. The latch lock fastening mechanism provides positive mating security, preventing accidental disconnection. It is designed for crimp termination of female socket contacts (sold separately) and is rated for continuous operation across an industrial temperature range from -40°C to 105°C.

**Common Applications:**
* Internal power supply cabling in computers and servers.
* Power distribution within industrial control systems and automation equipment.
* Consumer electronics requiring reliable, high-current connections.
* LED lighting fixtures and power modules.
* Test and measurement instrumentation power interfaces.

**About Molex:**
Molex is a globally recognized leader in electronic connectivity solutions, renowned for decades of innovation and engineering excellence. The company sets industry standards for reliability and performance across a vast portfolio of connectors, interconnects, and electronic components, serving diverse sectors from automotive to data communications.

Molex’s commitment to quality manufacturing and rigorous testing ensures their products, like the Mini-Fit Jr. series, deliver consistent performance and longevity in the most challenging environments. Their reputation for dependable solutions makes them a preferred partner for engineers worldwide designing critical electronic systems.

**About Rectangular Connector Housings:**
Rectangular connector housings are fundamental components in electronic assembly, providing the structural framework and insulation for electrical contacts. They ensure precise alignment, secure mating, and environmental protection for the contacts and wires, forming the backbone of reliable interconnect systems.

Choosing the correct housing, such as the Molex Mini-Fit Jr., is critical for system integrity. Factors like pitch, number of positions, locking mechanism, current rating, temperature tolerance, and material dictate suitability for specific applications, ranging from low-voltage signal transmission to high-current power delivery in industrial, computing, and consumer devices.

**Packaging Options:**
This Molex 0039012045 crimp housing is supplied in Bulk packaging, suitable for production environments and high-volume assembly needs.

**Frequently Asked Questions (FAQs):**

* **Question:** Are the contacts included with this housing?
* **Answer:** No, this is the housing only. Female socket contacts compatible with the Mini-Fit Jr. 5557 series must be purchased separately for crimping onto wires.

* **Question:** What is the current rating of this housing?
* **Answer:** The current rating depends on the specific contacts used. Refer to the Molex Mini-Fit Jr. datasheet (available on PCXCo.com) for detailed specifications on compatible contacts and their ratings.

* **Question:** Is this housing compatible with Mini-Fit Jr. plugs?
* **Answer:** Yes, the 0039012045 receptacle housing is designed to mate securely with corresponding Mini-Fit Jr. plug headers using its latch lock mechanism.

* **Question:** What wire gauge is suitable for the crimp contacts used in this housing?
* **Answer:** Compatible contacts typically support common wire gauges (e.g., 16-22 AWG). Always consult the Molex datasheet for the exact specifications of the contacts you plan to use.

* **Question:** Can this housing withstand high-vibration environments?
* **Answer:** Yes, the latch lock fastening provides a secure connection resistant to vibration, and the robust Polyamide construction offers excellent mechanical stability, making it suitable for industrial and automotive applications.

* **Question:** Is the datasheet available for download?
* **Answer:** Absolutely. The complete Molex Mini-Fit Jr. datasheet is available for download on PCXCo.com, providing detailed mechanical, electrical, and performance specifications.

**Order your Molex 0039012045 Crimp Housing from PCX today for guaranteed availability and rapid delivery! Ensure your project stays on schedule with reliable components shipped fast.**
*Note: Product image is representational. Refer to the datasheet for precise dimensions and specifications.*