As audio devices evolve toward higher integration and stability, the audio connector plays a critical role in ensuring consistent signal transmission and user experience. Whether in headphones, audio modules, or various audio control and output equipment, the reliability of the interface directly affects signal continuity and operational stability. The Kinghelm 4.4mm Headphone Jack KH-PJ-44002-12DBAP-A is designed to meet these requirements, providing a stable and practical interface solution for multiple types of audio devices.

Kinghelm KH-PJ-44002-12DBAP-A Product Image

The KH-PJ-44002-12DBAP-A features a 4.4mm headphone interface with an overall length of approximately 21mm, making it suitable for devices with compact internal layouts. Its 12-pin design offers enhanced flexibility for audio signal transmission and functional distribution. This configuration supports multi-channel separation, plug detection, and signal expansion, allowing audio systems to achieve higher functional integration and improved design adaptability.

In terms of packaging and mounting, this headphone jack adopts a through-hole plug-in design, ensuring secure attachment to standard PCBs. The plug-in structure enhances mechanical strength during repeated insertions and removals, while also simplifying maintenance and replacement. Combined with tape-and-reel packaging, this connector is optimized for automated assembly and large-scale production, ensuring consistent performance and assembly efficiency.

Electrically, the KH-PJ-44002-12DBAP-A operates under a maximum of 12V and 1A, covering the requirements of most audio devices. Its low contact resistance helps maintain signal integrity and minimize transmission loss, which is critical for applications demanding high audio quality. The connector also features reliable insulation resistance and can withstand AC voltage up to 500V, providing additional safety margins under varying operational conditions.

Environmental adaptability is another key feature. The KH-PJ-44002-12DBAP-A supports operation within a temperature range of -25℃ to +85℃, making it suitable for both indoor and moderately challenging outdoor environments. This broad temperature range ensures stable performance across diverse usage scenarios, extending the applicability of the connector across consumer electronics and industrial audio devices alike.

In practical applications, the 4.4mm headphone jack is widely used in headphones, portable audio players, audio adapter modules, and other audio output devices. The 12-pin design enables additional functionality such as plug detection and signal switching, providing designers with more options to enhance overall device performance.

From a system design perspective, the interface is not only a critical signal pathway but also a frequently handled component. Its mechanical stability, insertion feel, and long-term durability directly affect the user experience. The plug-in construction and well-arranged pin layout of the KH-PJ-44002-12DBAP-A ensure reliable connections with the PCB, minimizing issues caused by repeated insertion or mechanical stress.

Kinghelm has a long-standing focus on connector and electronic component development. The KH-PJ-44002-12DBAP-A reflects this expertise, offering a well-balanced combination of size, electrical performance, and environmental adaptability. This headphone jack can serve as a practical reference for interface design in a variety of audio systems.

Kinghelm KH-PJ-44002-12DBAP-A Specification

Considering its interface dimensions, pin structure, electrical characteristics, and environmental adaptability, the Kinghelm 4.4mm Headphone Jack KH-PJ-44002-12DBAP-A is positioned as a reliable solution for audio device connections. It provides both stable mechanical performance and flexible design options, making it suitable for a wide range of audio device applications. When selecting an audio connector, combining the device layout, signal requirements, and usage conditions ensures optimal system performance and long-term stability.

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.