0749603018

0749603018 – 18-Position D-Sub Connector Receptacle – Molex
This Molex 0749603018 D-Sub connector delivers robust, high-density interconnection for legacy systems requiring reliable signal transmission. Designed for PCI Express® and TDP™ applications, it features a shielded female receptacle configuration with gold-plated contacts for enhanced durability and signal integrity. PCX provides obsolete component solutions with verified stock, fast shipping, and dedicated technical support.

Key Features

18-position, 2-row female receptacle with 0.050″ pitch
Panel, surface, or right-angle mounting for flexible integration
Gold contact finish (15µin) on copper alloy for low resistance
Steel shell with tin plating and UL94 V-0 rated polymer housing
1.5A current / 40V voltage rating with -20°C to 85°C operating range
Shielded design with board lock for EMI protection and secure attachment

Technical Specifications
Part of Molex’s TDP™ series, this D-Sub connector uses solder termination and features a black, glass-filled polymer housing. The compact 0.065″ row-to-row spacing accommodates high-density layouts while the 4-40 flanged housing ensures mechanical stability. The steel shell provides electromagnetic shielding critical for sensitive electronics.

Typical Applications

Legacy industrial control systems
Telecommunications infrastructure
Data acquisition hardware
Medical diagnostic equipment
Test and measurement instruments

About Molex
Molex is a globally recognized leader in electronic connectivity solutions with over 80 years of innovation. Their portfolio spans automotive, industrial, and data communication markets, renowned for precision engineering and rigorous quality standards. The company’s commitment to reliability and performance makes them a preferred partner for mission-critical applications worldwide.
Molex connectors undergo extensive validation testing to ensure compliance with international specifications. Their TDP™ and PCI Express® series exemplify cutting-edge design for high-speed data transmission, backed by comprehensive technical documentation and global manufacturing consistency.

About D-Sub Connectors
D-Subminiature connectors remain essential in electronics for their robust shell design and standardized pin configurations. Characterized by their trapezoidal metal shielding and multi-pin layouts, they provide secure, interference-resistant connections in space-constrained environments. These components are fundamental for serial communication, video interfaces, and industrial control systems requiring vibration-resistant interconnects.
Modern D-Subs like this Molex solution incorporate high-temperature polymers and advanced plating to support higher data rates while maintaining backward compatibility. Their panel-mount versatility and EMI shielding make them indispensable in applications where signal integrity cannot be compromised, even as newer interfaces emerge.

Packaging
Available in industry-standard Tape & Reel (TR) packaging for automated assembly processes.

Frequently Asked Questions
Question: Is this connector compatible with standard PCIe slots?
Answer: Yes, it’s designed specifically for PCI Express® applications per Molex’s TDP™ specifications.

Question: What’s the lead time for obsolete parts?
Answer: PCX maintains strategic stock of legacy components – typically ships within 24-48 hours.

Question: Can this connector handle high-vibration environments?
Answer: Absolutely. The steel shell, board lock feature, and right-angle mounting options ensure mechanical stability.

Question: Why choose gold plating for contacts?
Answer: Gold provides superior corrosion resistance and maintains stable contact resistance over thousands of mating cycles.

Question: Is the datasheet available?