​『Product Highlight』Kinghelm Dual Port Type-A Female Through-Hole USB Connector KH-2AF180-14.2

USB interfaces remain a fundamental part of modern electronic devices, supporting both data transmission and power delivery. Among various interface types, the Type-A connector continues to be widely used due to its compatibility and ease of integration. This article focuses on the kinghelm KH-2AF180-14.2 dual port Type-A female through-hole USB connector, exploring its structure, electrical characteristics, and real-world application scenarios.

1. Product Overview and Structural Design

The KH-2AF180-14.2 is a dual port USB Type-A female connector designed for through-hole mounting. It features two independent USB ports within a compact housing, making it suitable for applications where space optimization is important.

The connector includes a 4Px2 contact configuration, supporting standard USB signal and power transmission for both ports. With a body length of 14.3mm, it is compact enough for dense PCB layouts while maintaining structural integrity.

The white insulator provides visual clarity during assembly and inspection. Each unit weighs approximately 3.97g, balancing durability and lightweight design. The product is packaged in trays, which supports organized handling and automated production processes.

2. Key Design Features of the Type-A Through-Hole Connector

2.1 Strong Mechanical Stability

Through-hole mounting allows the connector pins to pass through the PCB and be soldered on the opposite side. This creates a firm mechanical bond, making the connector suitable for applications involving frequent insertion and removal.

2.2 Dual Port Configuration

The dual USB port design allows two devices to be connected simultaneously without increasing the footprint significantly. This is particularly useful in compact electronic systems that require multiple USB interfaces.

2.3 Standard Type-A Compatibility

The Type-A interface is widely compatible with common USB devices such as flash drives, keyboards, mice, and wireless receivers. This standardization simplifies system design and enhances user convenience.

3. Electrical Characteristics and Performance

The KH-2AF180-14.2 connector is rated for a current of 1.5A and a voltage of 30V. These ratings make it suitable for typical USB power and data transmission requirements in low-power electronic systems.

Each port includes four contacts for power and signal transmission. Proper contact design ensures stable connectivity and reduces the likelihood of intermittent signal issues.

When selecting a connector, it is important to match its electrical specifications with the system requirements to ensure reliable performance and long-term durability.

4. Application Scenarios

4.1 Industrial Control Systems

In industrial environments, equipment often operates continuously and may experience vibration. Through-hole USB connectors provide a stable mounting solution, making them suitable for control units, gateways, and data acquisition devices.

4.2 Consumer Electronics

Devices such as set-top boxes, routers, and audio systems often require USB ports for external storage or peripheral connections. A dual port connector allows multiple devices to be connected at the same time.

4.3 Embedded Development Boards

Development boards frequently require multiple USB interfaces for debugging, programming, and peripheral connectivity. The dual port design helps maximize functionality within limited board space.

4.4 Automotive Electronics

In automotive systems, USB ports are commonly used for charging and media connectivity. The mechanical strength of through-hole connectors helps maintain stable connections under vibration conditions.

5. Installation and Soldering Considerations

Proper PCB design is essential to ensure compatibility between the connector pins and board holes. Mismatched dimensions can lead to poor solder joints or assembly issues.

During soldering, whether using wave soldering or manual techniques, temperature and duration should be carefully controlled to prevent damage to the connector housing.

It is also recommended to include sufficient mechanical support in the PCB layout to distribute stress during repeated insertion and removal cycles.

6. Key Factors for Connector selection

When selecting a USB Type-A through-hole connector, several factors should be considered. These include the number of ports required, electrical ratings, mounting method, and available PCB space.

Environmental conditions should also be taken into account. Applications involving vibration, temperature variation, or frequent usage may require more robust connector designs.

7. Value of Dual Port USB Connectors in System Design

As electronic devices continue to integrate more functions into smaller form factors, efficient use of interface space becomes increasingly important. Dual port USB connectors provide a practical way to expand connectivity without significantly increasing board size.

They can reduce the need for additional expansion modules and simplify overall system architecture. This contributes to cleaner PCB layouts and improved design efficiency.

8. Conclusion

The KH-2AF180-14.2 dual port Type-A female through-hole USB connector offers a balanced combination of structural stability, compact design, and functional flexibility. Its dual port configuration supports multiple device connections, while the through-hole mounting enhances mechanical reliability.

By understanding its specifications and application scenarios, designers can better integrate this connector into a wide range of electronic products. Careful selection and proper installation will help ensure consistent performance in various environments.

About Kinghelm

Shenzhen Kinghelm Electronics Co., Ltd.（www.kinghelm.net）has technical backbones from Tsinghua University and UESTC, and has introduced overseas returnee professionals. Kinghelm is able to develop highly reliable and high-performance antenna and connector products.KH series products of "Kinghelm" brand include Beidou/GPS antennas, RF adapter connectors, plug connector, electrical data connectors, terminals, and customized vehicle harnesses, industrial / medical connectors, and special antenna connectors."Kinghelm connects world", Kinghelm has grown with the development of China's Beidou industry. Starting from supplying Beidou/GPS dual mode antennas, IPEX terminals, and RF adapter cables for automotive manufacturers, Kinghelm has continuously developed products. Currently, it has a series of WiFi, Bluetooth, NB-loT, LoRa, Zigbee, UWB, and GSM antennas, RFID tags, RF adapter cables, standard microwave antennas, vehicle grade SMA, SMB, FAKRA holders, coaxial cables, and can customize non-standard antenna connectors based on customer drawings or samples.