In modern electronics design, selecting the right connector is essential. The 1.25mm JST connector stands out as a popular choice for many small electronic devices because of its excellent performance and versatile applications. In this article, we will explore the features, specifications, applications, and importance of the 1.25mm JST connector in the electronics industry, providing insights that will help you better understand this critical component.

Overview of the 1.25mm JST Connector

The 1.25mm JST connector offers reliable electrical connections specifically designed for compact electronic devices. Manufacturers commonly use these connectors in various electronic products, such as LCD displays, consumer electronics, and other compact devices. Engineers design the connector not only to meet electrical performance requirements but also to ensure ease of installation and safety.

Product Specifications

Connector Types and Functions

GH Connector

The GH connector provides a removable crimp-type design for small electronic devices. It features low insertion force and a secure locking mechanism, which prevents misalignment during assembly. With a rated current of 1.0A, a voltage rating of 50V, and an operating temperature range of -25 to +85°C, this connector serves as an ideal choice for devices like PDPs and LCDs.

Source: JST UK

JED Connector

The JED connector, a 1.25mm pitch double-row connector, supports high-density packaging. It features high-pressure dual-side contact points and a locking function, which maintains a reliable connection even under vibration or shock. Similar to the GH connector, it provides a rated current of 1.0A and operates within the same temperature range.

Source: JST UK

JST 4-Pin Female Connector

Although this connector has a 2.0mm pitch, many designers commonly use it in prototyping alongside the 1.25mm JST connector. Featuring four pins and supporting 28 to 26 AWG cables, this connector gives flexibility to designers during the prototyping phase.

Source: DFRobot

Application Areas

Electronic Devices

Many small electronic devices rely on the 1.25mm JST connector due to its compact design and reliable connection performance. LCD displays and consumer electronics benefit from this connector to ensure stable power and signal transmission.

Prototyping

When developing new products, choosing the right connector becomes essential, especially during the prototyping phase. Designers frequently opt for the 1.25mm JST connector because of its excellent electrical characteristics and suitable size.

High-Density Packaging

For applications requiring high-density connections, the 1.25mm JST connector saves valuable space while still providing reliable connections. It fits well in complex circuit board designs.

Additional Information

General Form Connectors

While this section doesn’t directly list the 1.25mm connectors, it offers insights into other related connectors, giving users additional context on JST’s product line.

Source: JST UK

Overview of JST Product Series

This page provides detailed information on various JST connectors, including those with 1.5mm and 2.0mm pitches. Although it doesn’t specifically cover the 1.25mm connector, it helps users understand JST’s broad range of products.

Source: JST Mfg Co., Ltd.

Conclusion

The 1.25mm JST connector plays an essential role in compact electronic devices. These connectors deliver reliable electrical connections and are known for their flexibility and stability in various applications. As electronics evolve, the demand for high-performance connectors continues to grow. Are you considering using this type of connector in your next project? When selecting connectors, it is crucial to focus not only on electrical performance but also on ease of design and safety.