CX7395-05R Molex PCB Connector: Specifications, Features & South African Sourcing Guide

Overview: CX7395-05R Molex PCB Connector

The CX7395-05R is a widely used Molex PCB connector, designed for robust and compact board-to-board or wire-to-board interconnections. Known for its reliable locking mechanism and secure mating, this connector is favoured by engineers and technicians for a range of electronics, from student prototypes to volume PCB assembly.

In South Africa, availability, pin compatibility, and supplier support are essential factors when choosing a PCB connector. Understanding CX7395-05R's electrical ratings, footprint, and mounting style helps ensure seamless integration, whether you're building a new project or replacing a worn-out part during repair.

Typical Applications

• Low-voltage signal and power transmission
• Embedded and control boards (e.g., Arduino, microcontroller shields)
• Robotics wiring looms and peripherals
• Consumer electronics and industrial automation

Technical Specifications Table

Please reference the official Molex datasheet for complete, up-to-date details. Actual maximum values depend on layout and product variant. In practice, design for some derating in high-temperature or tightly-packed arrays - a common consideration in South African DIY and small-batch industrial builds, where enclosure temperatures can climb above ambient.

Features of the CX7395-05R Molex Connector

• Secure retention and reliable mating with positive locking tab
• Polarisation key reduces wiring errors
• Gold or tin-plated contact options for longevity
• Wide operating temperature range for local conditions
• Popular with a range of wire-to-board and board-to-board mating parts

Locally, Molex is a preferred brand for those looking for quality interconnects, especially for replacing legacy connectors or sourcing parts compatible with older hobbyist and industrial equipment. Communica regularly stocks Molex connectors and compatible crimp housings, with branch pickup for technical users who need quick turnaround.

How to Select and Apply the CX7395-05R Connector

Key Selection Criteria

• Pin Count: Ensure the 5-way pinout matches your PCB design or wiring harness.
• Mounting Compatibility: The through-hole design fits easily on standard PCB pads (2.54 mm pitch). Confirm layout and footprint suit your application.
• Current & Voltage: Sum up the expected draw per pin, factoring in some headroom for safety. For example, driving five 250mA signal lines will require just 1.25A (well within spec), but running small motors or relays may need higher-rated contacts.
• Mating Components: Choose appropriate crimp or IDC wire connectors. Communica stocks compatible Molex female shells and crimp contacts.
• Durability: Design for frequent mating cycles if used in development rigs - the gold-plated variant offers more cycles before wear.

Wiring and Pinout Example

Here is an example of how the connector could be wired on a prototyping board:

 
---[PCB Edge]----
| 1 | VCC      |  
| 2 | GND      |  
| 3 | Signal 1 |  
| 4 | Signal 2 |  
| 5 | Signal 3 |  
-----------------

Always verify the intended pinout against your mating connector - polarisation keys help prevent accidental inversion.

Troubleshooting & Practical Tips

• Contact Issues: If a signal is intermittent, check for bent pins or worn contacts, especially after frequent insertions.
• Cold Solder Joints: Through-hole pins need full solder wetting on both sides for mechanical strength - reflow if needed.
• Wire Gauge: Match your cable size to the connector spec (22-28 AWG).
• Heat Build-Up: In small enclosures, avoid running at the upper current rating in South African summer conditions without airflow.

South African Sourcing & Popular Alternatives

Communica stocks Molex branded CX7395-05R connectors, as well as equivalent options from other global suppliers. Customers can:

• Check branch stock at Samrand, Pretoria CBD, or Cape Town
• Request VAT invoices for schools, universities, and industry procurement
• Explore compatible connectors under Connectors & Wire or filter by brand
• Find crimp tools and accessory bundles for installation

Sources

• Official Molex CX7395-05R Product Page
• Communica: Connectors & Wire Category
• Communica: Branches & Trading Hours
• Digi-Key: Molex 07395 Series Data Reference