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High-Performance D-Sub

RF Solutions

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

With cutting-edge technology, High-Performance D-Sub Pi and D-Sub High-Density Connectors deliver reliable solutions to mitigate electromagnetic interference (EMI) for enhanced signal integrity. These versatile, compact connectors simplify implementation and customization, while improving the overall performance and reliability of electronic systems. The High-Density D-Sub Connector family ensures compliance with regulatory standards and, by combining advanced C-filter technology with rugged construction, is ideal for aerospace and industrial applications. 

Type Shell Sizes Options Current Rating
Pi 9, 15, 25, 37 and 50 pins Threaded Locking Inserts (LI), Grounding bracket (GB) right-angle mount PCB connectors 5.0A
High Density 15, 26 and 44 pins 3.0A; RF current: 0.3A

High-Performance D-Sub Pi Adapters and Connectors

High-Performance D-Sub

High-Density D-Sub Adapters and Connectors

High-Density D-Sub

Features and Benefits


EMI-Filtered D-Sub Adapters and Connectors are engineered to mitigate electromagnetic interference through an advanced 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


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 Adapters and Connectors? 
Our EMI-Filtered High-Density products also come in various shell sizes and are available in 15-, 26-, and 44-pin configurations commonly used in high-density applications. 

What are the available terminal configurations for these adapters and connectors? 
High-Density terminals feature threaded locking inserts in #4-40 UNC or metric M3.0 options and offer right-angle and straight PCB mounts for both pin and socket contacts, ensuring installation flexibility. 

What filter types and capacitance values can I choose from? 
High-Density connectors feature proprietary barium titanate ceramic formulated filter types with capacitance values from 85 to 4,000pF, enabling customization for specific signal attenuation and frequency needs to ensure signal integrity. 

Are there any special options available for these adapters and connectors? 
Our special High-Density options include grounding brackets for direct ground connections, brackets with board locks for secure attachment, and stand-off features for shell grounding to the board. Optional sealing gaskets enhance environmental protection, and the connectors meet various compliance standards for high-performance and environmentally demanding applications.