Our D-Sub Connector Series

WLconnectivity (Wanlian) offers two specialized D-Sub connector series: Waterproof D-Sub Connectors and High-Power D-Sub Connectors. Engineered for reliable signal and power transmission, both series deliver dependable, cost-effective connectivity for industrial automation, telecommunications, computing, power systems, and demanding environments.

Waterproof D-Sub Connectors

Waterproof D-Sub Connectors

WLconnectivity waterproof D-Sub connectors are available in 9-, 15-, 25-, 26-, and 44-pin configurations, with standard-density, high-density, and mixed layouts. Designed for secure sealing and stable signal transmission, they provide reliable, cost-effective connectivity for telecommunications, computing, industrial equipment, and harsh-environment applications.
High-Power D-Sub Connectors

High-Power D-Sub Connectors

WLconnectivity high-power D-Sub connectors feature high-current contacts for stable and reliable power transmission. They are designed for industrial equipment, power systems, automation, and communication devices requiring dependable high-current connections.

About WL Connectivity

Your Trusted Partner for Advanced Connection Solutions

With 18 years of industry experience, WL Connectivity is a high-tech enterprise specializing in connector R&D, manufacturing, and sales. We provide high-performance, highly reliable standard and customized connection solutions for customers worldwide.

Backed by more than 150 patents, multiple technical certifications, a CNAS-accredited laboratory, advanced production lines, and a comprehensive quality management system, we deliver one-stop services covering product development, testing, and mass production.

Our connector solutions are widely used in consumer electronics, automotive electronics, industrial equipment, communications, medical equipment, and other demanding applications. We are committed to advancing connector technology, making connections easier, and becoming a trusted global connection solutions partner.

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Why Choose WL D-Sub Connectors

With 18 years of connector expertise, WL Connectivity provides reliable standard and customized D-Sub solutions for global customers. Backed by a CNAS-accredited laboratory, more than 150 patents, and integrated R&D, testing, and manufacturing capabilities, we deliver consistent quality, efficient development, and dependable supply.

18+
Years of Experience
150+
Patents
1-Stop
R&D to Production

Popular and classic Sub D connector for you

How to Select the Right D-Sub Connector for Your Application

01

Define Your Electrical Requirements

Start by identifying the operating voltage, current, pin count, and signal or power transmission requirements. Choose a WLconnectivity Waterproof D-Sub Connector for protected signal and data connections, or a High-Power D-Sub Connector for applications requiring stable high-current power transmission.
02

Assess Environmental Conditions

Evaluate potential exposure to moisture, dust, vibration, chemicals, and temperature changes. For demanding environments, select a WLconnectivity Waterproof D-Sub Connector and verify that its IP rating, sealing structure, and material durability meet your application requirements.
03

Check Mechanical Compatibility

Review the shell size, pin count, contact layout, connector orientation, mounting method, and PCB or cable termination. Ensure the selected connector fits the available space, mates correctly, and supports efficient assembly and maintenance.
04

Balance Cost, Reliability, and Service Life

Consider more than the initial unit price. Assembly efficiency, operating reliability, maintenance requirements, and product service life all affect the total cost of ownership. WLconnectivity provides cost-effective D-Sub solutions designed to deliver dependable long-term performance.
05

Need Selection Support?

Share your voltage, current, pin count, mounting method, and operating environment with the WLconnectivity team. We will help you select or customize the right Waterproof or High-Power D-Sub Connector for your application.

Need Help Choosing the Right Connector?

Our engineering team can recommend the best connector type for your application. Free consultation, no obligation.
Contact Engineering

WLconnectivity FAQs

Answers to common questions about connector selection, customization, quotes, samples, testing and production support.

It’s 3 to 5days for samples, 2 to 4 weeks for bulk orders.

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