Reasons for Unstable Signal Current in Pogo Pins

　　Unstable signal current in pogo pins can severely impact the performance of mobile phone antenna systems, leading to poor call quality, slow data transfer, or dropped connections. There are several underlying reasons for this problem.

　　One major cause is poor electrical contact. Over time, the contact surfaces of pogo pins may accumulate contaminants such as dust, moisture, or oxidation layers. These contaminants increase the contact resistance, resulting in inconsistent signal current flow. To mitigate this, proper surface treatment and protection during manufacturing, such as high - quality plating and encapsulation, are necessary. Regular cleaning and maintenance of the pogo pins in the mobile phone, if possible, can also help remove contaminants and restore good electrical contact.

　　In addition, mechanical wear and tear can contribute to unstable signal current. Frequent mating and unmating cycles can cause the pins and springs to fatigue, reducing the contact pressure between the pogo pin and the mating surface. As the contact pressure decreases, the electrical connection becomes less stable, leading to fluctuations in signal current. Using pogo pins with high - quality materials and proper mechanical design, as well as limiting the number of mating cycles when possible, can help extend the service life and maintain stable signal current.

　　Another factor is environmental interference. External electromagnetic fields, temperature changes, and humidity can all affect the electrical properties of pogo pins. For example, high humidity can cause corrosion of the metal parts, increasing resistance. Temperature variations can also change the physical dimensions and electrical conductivity of the materials, leading to signal current instability. To address environmental interference, mobile phone designs should incorporate shielding mechanisms to protect the pogo pins from electromagnetic fields and use materials with good environmental resistance to minimize the impact of temperature and humidity changes on signal current.

Read recommendations:

Tesla charging gun terminals

Internal thread

5+6

High temperature resistant magnetic connector suitable for industrial furnace control systems​

Efficient production of Magnetic PogoPin for Portable Power Supplies