Recently, when disassembling original Xiaomi 55W gallium nitride charger of Xiaomi 11, http://www.chongdiantou.com/ found that the new solid-state capacitor of Emerald CS series is used in the charger.

Emerald Releases a New Solid-State Capacitor, Which Is Adopted by Xiaomi 55 W Gallium Nitride Fast Charger-askpower

This solid-state capacitor is packaged in a chip package, and has the advantages of ultra-low impedance and high ripple resistance. It is suitable for mobile phone chargers, computer motherboards and servers, and its working temperature ranges from-55℃ to 105℃.

Emerald Releases a New Solid-State Capacitor, Which Is Adopted by Xiaomi 55 W Gallium Nitride Fast Charger-askpower

The rated working voltage of emerald CS series solid-state capacitors is 2.5-25V, and the capacity range is 22-2700 μ F. Different volumes are available for the same capacity, which is suitable for different installation environments. The SMD package is suitable for reflow soldering, and the lead-free reflow soldering temperature is up to 260℃.

Emerald Releases a New Solid-State Capacitor, Which Is Adopted by Xiaomi 55 W Gallium Nitride Fast Charger-askpower

The picture shows two emerald CS series solid-state capacitors with the specification of 470μF25V, which are welded in parallel on the PCB of planar transformer to provide filtering for the output.

Emerald Releases a New Solid-State Capacitor, Which Is Adopted by Xiaomi 55 W Gallium Nitride Fast Charger-askpower

In addition to CS series 470μF25V, which entered Xiaomi’s fast charging supply chain, Emerald also has 11 popular SMD solid-state capacitor products including CS series and CT series, among which CT series can withstand up to 125℃, which is suitable for more severe working environment.

Emerald Releases a New Solid-State Capacitor, Which Is Adopted by Xiaomi 55 W Gallium Nitride Fast Charger-askpower

It is worth mentioning that in order to meet the design requirements of gallium nitride fast charging and high density, Emerald has also launched a series of miniaturized high-voltage electrolytic capacitors for gallium nitride fast charging, with capacities ranging from 15μF to 47μF, providing a complete set of capacitor schemes for high-density power supply.

Emerald Electronic Technology Co., Ltd. produces aluminum electrolytic capacitors, solid capacitors and super capacitors, which are used in automotive electronics, new energy, LED lighting, high-end power supply and professional audio. Through dismantling the charging head network, it is found that the emerald capacitor is used in many enterprises, such as,,,,, and so on, and its performance is verified by the market, its quality is recognized by the market, and its performance is superior and its cost performance is high.