2024 India Light + LED Expo

Date: 2024/11/21-2024/11/23 Venue: Yashbhoomi (IICC) Dwarka, Delhi ,India Booth No.: S21 Dear Valued Partners and Guests, We are delighted to extend a warm invitation to you to join us at the prestigious Lighting Expo, which will be held from November 21st to November 23rd, 2023, in the vibrant and culturally rich country of India. This event promises to […]

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What are the components of pick and place machine ?

For the operation of the mounter many people just contact is not too understand, some of the old mounter operator of the mounter parts at the same time is also half-know, so it is easy to appear to lead to the occurrence of system failure, the following mounter manufacturers to give you an introduction to […]

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QIHE—Have a date with Mid-Autumn

When the leaves begin to turn golden and the nights get cooler, a special celebration shines on the Chinese calendar: the Mid-Autumn Festival. Rooted in rich traditions and folklore, this ancient festival is a time for family reunion, gratitude and appreciation of nature’s bounty. The Mid-Autumn Festival is also a time to reflect on how […]

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QIHE Invitation YOU To Productronica India 2024

Dates: September 11th to 13 th, 2024 Booth: H15.G21 Address:India Exposition Mart Limited (IEML), Greater Noida, Delhi NCR…. Author: Zhou Dear Customers in the SMT Electronics Manufacturing Industry: We are thrilled to inform you that our company, QIHE, will be attending the Productronica India 2024 exhibition in India from September 11th to 13th, 2024. As […]

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PCBA Cleaning Process

Inventory of 4 factors affecting the stability of the PCBA cleaning process

Author:Zhou For quite some time, the industry has not been sufficiently aware of the cleaning process. Mainly because of the former PCBA assembly density is low, flux residues and other contaminants on the electrical performance of the adverse effects are not easy to be detected. Nowadays, as the design of PCBA develops towards miniaturisation, the […]

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Take you to understand the SMT placement production line

Author:Lucy Liang SMT is surface assembly technology (Surface Mounted Technology) (Surface Mounted Technology acronym), is currently the most popular electronic assembly industry, a technology and process, SMT patch refers to a series of PCB-based processing process of the abbreviation. So SMT patch is produced by which equipment, SMT production process and how it is? Here […]

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What protects the LED from over supplying of voltage?

Several circuit protection technologies – including metal-oxide varistors (MOVs), TVS diodes, LED protectors, and fuses – are needed to provide overvoltage, overcurrent, and high-temperature circuit protection for commercial LED lighting systems.To protect LEDs from too much current, you can use a current-limiting resistor in series with the LED.

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www.qhysmt.com-Power-Supply-Filter-Design-Tips

SMD Power Supply Filter Design Tips

What is the purpose of using a filter in a circuit?A filter is a circuit capable of passing certain frequencies while attenuating (to reduce or block) other frequencies. Thus, a filter can extract important frequencies from signals that also contain undesirable or irrelevant frequencies. In the field of electronics, there are many practical applications for […]

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