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High-Performance D-Sub

RF Solutions

Electromagnetic Interference (EMI)-Filtered, High-Performance D-Sub Adapters and Connectors

Compact and highly efficient, EMI-Filtered, High-Performance D-Sub Adapters and Connectors provide a reliable solution to mitigate electromagnetic interference (EMI) in demanding environmental electronic systems. These products enhance signal integrity (SI), comply with regulatory standards and offer a versatile, space-saving design that simplifies implementation while improving the overall performance and reliability of system applications.

Shell Sizes Options Current Rating Operating Temperature
9, 15, 25, 37 and 50 pins Threaded locking inserts (LI), Grounding bracket (GB), Grounding bracket with board lock (GBL) 5.0A -55 to +125°C

High-Performance D-Sub Pi Adapters and Connectors

High-Performance D-Sub

Features and Benefits


EMI-Filtered D-Sub Adapters and Connectors are engineered to mitigate electromagnetic interference through an advanced Pi filter design, offering a large range of capacitive options. This helps ensure optimal EMI suppression and signal integrity across high-performance applications. These products effectively attenuate a wide range of high-frequency noise, ensuring clean signal transmission even in environments with significant electromagnetic disturbance.

The connectors’ compact design, which integrates filtering capabilities, not only saves valuable space but also simplifies system designs, making them ideal for densely packed systems. This design efficiency leads to cost savings by reducing the number of components needed, lowering manufacturing and assembly costs. Additionally, their compliance with stringent EMI and EMC standards—along with adherence to safety and environmental standards like RoHS—ensures they meet critical regulatory requirements.

Offering extensive compatibility and customization options, these adapters and connectors afford designers the opportunity to tailor connectors to specific needs, optimizing performance for different EMI environments. Built with advanced materials, EMI-Filtered D-Sub Adapters and Connectors feature robust construction that enhances both electrical performance and mechanical durability, making them ideal for demanding applications in military, aerospace and industrial settings. 

Superior EMI Filtering Performance

A wide range of capacitive designs are available to provide the flexibility and performance needed, ensuring optimal EMI suppression and reliable signal integrity across various high-performance applications. High capacitance and inductance values allow for better attenuation in maintaining clean signal transmission.

High-Performance D-Sub

Robust Construction and Material Quality

Use of high-quality conductive and shielding materials improves both electrical performance and mechanical durability. A rugged design ensures these adapters and connectors can withstand harsh conditions, including vibration, shock, extreme temperatures and exposure to contaminants.

High-Performance D-Sub

Compatibility and Customization Options

Flexibility in design and compatibility with various systems is vital to meet diverse application needs. Multiple configurations and custom filter options are available, providing the flexibility to optimize performance for different EMI environments.

High-Performance D-Sub

Provides efficient space utilization
EMI filters built into the connectors offer additional space on the PCB board.

Withstands lightning and AC transient environment conditions (up to DO160 Level IV) 
Transient options are available.

Provides versatility for ease of design
The adapters and connectors are available in an extensive selection of mechanical configurations.

Offers vertical integration; saves time
These products are manufactured in the USA, optimizing supply chain efficiency.

Promotes consistent performance with power and signal filtering in a single package
A large capacitance pin-to-pin ratio range is included.

Saves PCB space
Grounded and insulated lines are in the same connector.

Enhances high-frequency performance
One-piece, die-cast connector shells have ground-plane shielded interface.

Allows superior performance and minimal impedance compared to onboard filter with high impedance
These connectors have low ground impedance.

Datasheets and Guides


    Datasheet (PDF)


Applications by Industry


Engine controls
Flight controls
Navigation systems

Airborne radios
Engine controls
Flight controls
Navigation systems
Night vision sensors
Tactical weapons
Target acquisition systems
Unmanned aerial vehicle flight controls

Gas monitors
Process equipment

Electronics
Imaging equipment

Cellular base stations
Mobile/cellular repeaters

This is not a definitive list of applications for this product. It represents some of the more common uses.

Frequently Asked Questions


What shell sizes are available for EMI-Filtered D-Sub Pi Adapters and Connectors?​
Our EMI-Filtered D-sub products are available in a variety of shell sizes, including pin counts of 9, 15, 25, 37 and 50. These sizes ensure compatibility with a wide range of applications.

What are the available terminal configurations for these adapters and connectors?​
We offer several terminal configurations to meet your specific needs, including right-angle and straight PCB, solder cup and adapter options. This variety promotes flexibility for your design and implementation process.

What filter types and capacitance values can I choose from?​
The capacitance values available include 100 picofarads (pF) (Pi), 1000 pF (Pi), 2500 pF (Pi) and 4000 pF (Pi). These options allow you to tailor the connector to your specific EMI filtering requirements.​

Are there any special options available for these adapters and connectors?​
Yes, we offer a range of special options, including heavy gold plating, four to 40 mounting threads, grounding brackets and additional hardware. For multiple options or unique requirements, please contact Molex for assistance.