Zinc Alloy d sub 25 pin female connector Right Angle | YW Connector

Zinc Alloy d sub 25 pin female connector Right Angle | YW Connector

Product Overview

YW’s Zinc Alloy Waterproof D-Sub Connectors are widely used in many applications including telcommunication, communications,

Industrial Automotion, Marine, Medical and Military. This Waterproof D-Sub Connectors series with die cast housings and IP67 sealing,

designed for Harsh Environment applications.

Application of d sub 25 pin female connector

Automatisation industrielle
Robotique
Télécommunications
Équipement médical
Aerospace Systems
Marine
Datacom
Transport
Médical

Technical Specifications

D-Sub 25 Pin Female Connector – FAQ

What are D-Sub connectors?

D-Sub connectors (short for D-Subminiature connectors) are widely used electrical connectors designed for reliable signal transmission.

They are easily recognized by their D-shaped metal shell, which provides correct alignment and helps protect the connection from electromagnetic interference (EMI).

A D-Sub 25 pin female connector (DB25 female) contains 25 socket contacts arranged in two rows and is commonly used in many electronic and industrial applications.

Typical applications include:

Industrial automation systems

Communication equipment

Computer serial interfaces (RS-232)

Dispositifs médicaux

Test and measurement equipment

D-Sub connectors are valued for their durability, stable signal transmission, and secure locking design.

What are D-Sub connectors used for?

D-Sub connectors are widely used in applications that require stable data and signal connections.

Common industries and equipment include:

Automatisation industrielle et robotique

Telecommunications equipment

Computer and networking systems

Medical electronics

Aerospace and military systems

Test and measurement instruments

Because of their compact structure, reliable contacts, and strong shielding performance, D-Sub connectors remain one of the most widely used interface connectors in electronic systems.

What is the difference between male and female D-Sub connectors?

The main difference lies in the contact design.

Male D-Sub connectors have exposed metal pins.

Female D-Sub connectors contain socket contacts designed to receive those pins.

A DB25 female connector typically connects to a DB25 male plug, creating a secure electrical connection.

In many systems, the female connector is often installed on equipment panels or cables to connect with a male interface.

How to assemble a D-Sub connector?

Assembling a D-Sub connector involves attaching wires to contacts and inserting them into the connector housing.

Typical assembly steps include:

Prepare the cable and strip the outer insulation.

Attach the contacts to the wires using crimping or soldering.

Insert the contacts into the connector housing until they lock securely.

Install the backshell to protect the cable termination.

Secure the connector with mounting screws if required.

Using the correct tools and following manufacturer guidelines helps ensure reliable electrical performance and long service life.

How to crimp D-Sub connector pins?

Crimping is a common termination method for D-Sub connectors and provides a strong and reliable connection.

Basic crimping steps:

Strip about 2–3 mm of insulation from the wire.

Insert the stripped wire into the crimp barrel of the contact pin.

Place the contact into the correct crimping tool die.

Compress the crimping tool until the crimp is completed.

Inspect the crimp to ensure the wire is firmly secured.

A properly crimped contact helps maintain low electrical resistance and reliable signal transmission.

How to solder a D-Sub connector?

Some D-Sub connectors use solder cup contacts, allowing wires to be soldered directly to the connector.

Typical soldering process:

Strip the insulation from the wire.

Apply a small amount of solder to tin the wire and solder cup.

Insert the wire into the solder cup.

Heat the joint with a soldering iron and apply solder until it flows evenly.

Allow the joint to cool without movement.

A proper solder joint provides both mechanical strength and good electrical conductivity.

What is the pinout of a DB25 connector?

A DB25 connector contains 25 contacts arranged in two staggered rows.

The exact pin configuration depends on the application. DB25 connectors are commonly used for:

RS-232 serial communication

Parallel printer interfaces

Industrial control signals

Before wiring a connector, it is important to check the device documentation or wiring diagram to confirm the correct pinout.

How to choose the right D-Sub connector?

Selecting the right D-Sub connector depends on several factors related to your application.

Key considerations include:

Number of contacts (9, 15, 25, 37, or 50 pins)

Mounting type (PCB mount or cable mount)

Termination method (crimp, solder cup, or PCB solder)

Shell material and plating

Environmental protection requirements

Choosing the correct connector ensures stable performance, reliable signal transmission, and long-term durability.

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