Industry Information

Update May 20, 2021

Buy Your Power Supply Now, While Prices Are Still Acceptable

Earlier 2020, the coronavirus pandemic paralyzed China's production industry for a few months. The halt in production caused a power supply shortage, but demand didn't let up. In fact, the industry...

Update May 19, 2021

What Is the Difference Between AC and DC Power Supplies?

Some of the most well-known devices convert from AC to DC power, but you also have the option of DC to DC power supplies. Knowing the differences between these types of power supplies and when to use...

Update May 18, 2021

How do I know if my power supply is grounded?

You can use a multimeter to test your outlets for proper grounding. Connect the multimeter's probes to the main body of the meter. ... Turn the multimeter to the highest AC voltage range available....

Update May 17, 2021

Switching power supply for power supply and development equipment - Power supply circuit - Circuit diagram

Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle Single chip microcomputer STM32L151CCU6 MOS power IC full range SMD aluminum electrolytic capacitor KKST...

Update May 14, 2021

How To Choose The Right Adapters for Your Laptops

Finding the Right Model of Adapter Since there are so many different adapters on the market, it's essential to check which type of adapter a laptop requires before purchase. Most adapters are...

Update May 12, 2021

What is PFC needed? How is it achieved?

Power factor correction (PFC) mean to improve power factor, and therefore power quality. It reduces the load on the electrical distribution system, increases energy efficiency and reduces electricity...

Update May 11, 2021

How to Choose the Right AC Adapter for Your LED Lights

The right AC adapter for your device is one with matching electrical ratings. The device’s input voltage and current must match the adapter’s output voltage and current. Check the device’s product...

Update April 08, 2021

What is different between UL/IEC/EN60950-1 and UL/IEC/EN60601-1 safety standard?

UL/IEC/EN60950-1 mean that Information Technology Equipment safety standard; UL/IEC/EN60601mean that Medical Electrical Equipment safety standard. According to safety standard, the leakage current in...

Update April 01, 2021

What is Inrush current power supply

At AC input side, there will be large pulse current at the moment of power on and then back to normal rating. This "Inrush Current" will appear every time you turn on the power. Although it will not...

Update March 22, 2021

Why are the ripple noise measurements of different oscilloscopes always different?

For the same power supply, there are always differences in using different oscilloscopes to measure ripple and noise values. Even using different probes can affect the measurement results. What is...