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On March 6, 2020, the Ministry of Industry and Information Technology held a special meeting on accelerating the development of 5G, deeply studying and implementing the important speech of General Secretary Xi Jinping on promoting the accelerated development of 5G networks, listening to the progress, difficulties and suggestions of 5G work in basic telecommunications enterprises, studying and deploying new infrastructure construction such as 5G networks, and serving epidemic prevention and control and economic and social development work. Chen Zhaoxiong, Deputy Minister of Industry and Information Technology, attended the meeting. Ke Ruiwen, Chairman of China Telecom, Yang Jie, Chairman of China Mobile, Wang Xiaochu, Chairman of China Unicom, Tong Jilu, Chairman of China Tower, and Song Qizhu, Chairman of China Radio and Television, attended the meeting. Chen Zhaoxiong fully affirmed the contributions made by basic telecommunications enterprises during the epidemic prevention and control period in promoting the construction and application of 5G networks, strengthening communication service guarantees and communication big data support services for epidemic prevention and control, using new generation information and communication technology to assist in resuming work and production, and suspending classes and schools. Chen Zhaoxiong pointed out that 5G, as a key new infrastructure supporting the digital, networked, and intelligent transformation of the economy and society, not only plays a prominent role in assisting epidemic prevention and control, resumption of work and production, but also has enormous potential in stabilizing investment, promoting consumption, assisting upgrading, and cultivating new driving forces for economic development. We should focus on the complexity of the current situation of epidemic prevention and control and economic and social development, fully recognize the importance and urgency of accelerating the development of 5G, scientifically grasp the new situation and requirements faced by 5G development, and pragmatically promote the accelerated development of 5G. One is to accelerate network construction, coordinate epidemic prevention and control with resumption of work and production, conscientiously implement precise prevention and control requirements at different levels, and accelerate the pace of 5G network construction. The second is to deepen the integration of applications, enrich the application scenarios of 5G technology, develop a platform economy based on 5G, drive the development of industries such as 5G terminal equipment, and cultivate new economic growth points. The third is to strengthen the industrial ecosystem, enhance the coordinated development of upstream and downstream enterprises in the industrial chain, accelerate the research and development of key 5G core technologies, expand international cooperation and exchanges, and continuously improve the level of 5G security assurance. Before the meeting, Chen Zhaoxiong and his delegation conducted research on the support of China Telecom's 5G, big data, and information technology applications for epidemic prevention and control, as well as resumption of work and production. The meeting also studied the support services of communication big data for epidemic prevention and control, number portability, network security, and other related work. Comrades from the General Office of the Ministry of Industry and Information Technology, the Department of Information Technology Development, the Department of Information and Communication Development, the Information and Communication Management Bureau, the Network Security Management Bureau, and the China Academy of Information and Communications Technology participated. Information source: Ministry of Industry and Information Technology 5G involves audio products such as transient suppression diodes, ESD protection modules, and self recovery fuses

Transient Suppression Diode TVS The comprehensive recovery of the semiconductor industry is imminent, and leading enterprises have raised capital expenditures to start a new round of expansion cycle. Industry experts say that Yin Te Electronics has been deeply rooted in the industry for more than 10 years, and the company has the characteristics of a "pearl" in the industry for nearly 20 years, focusing on segmentation! With the localization process coming naturally!   半导体行业全面复苏在即,龙头企业上调资本开支开启新一轮扩产周期，行业专家说：音特电子在行业深耕10几年了，近20年的公司，具有行业“明珠”特质，专注细分！随着国产化进程水到渠成！   专业保护器件公司-静电ESD   信息延读：半导体需求端以智能手机为

Product innovation is the theme of the times, and our company constantly innovates products to adapt to new market and application needs! Launch HD series high-voltage products, mainly HD series

The Ministry of Industry and Information Technology has summoned Tesla regarding the "reduced allocation door" incident and ordered Tesla (Shanghai) Co., Ltd. to immediately rectify in accordance with the relevant provisions of the "Management Measures for the Access of Road Motor Vehicle Production Enterprises and Products". On March 2nd, some Tesla owners discovered that their domestically produced Model 3 used HW2.5 chips instead of the HW3.0 chip indicated on the environmental information accompanying the vehicle list. Due to the fact that the former is a lower level component, from the perspective of consumers, this is a downgrade behavior. Therefore, these car owners have successively complained to Tesla's official and 315 platform, causing Tesla to fall into the "downgrade door". On March 5th, Tesla CEO Musk responded to the "downgrade door" on Twitter, saying, "The car owners who complained did not actually order FSD. Perhaps they don't know that if FSD is ordered after the vehicle is delivered, the onboard computer can also be upgraded for free. ”Musk's evasive response has caused dissatisfaction among many consumers. As the incident escalated, the Ministry of Industry and Information Technology finally issued a notice of interview on the 10th and ordered rectification. According to insider sources, after the announcement of the interview, it was revealed that users who order the domestic Model 3, whether or not they choose to install FSD, will enjoy HW3.0 hardware. For users who will currently receive HW2.5, Tesla will decide whether to deliver the car first and upgrade the chip or cancel the order according to the owner's wishes. The SM8S33CA power interface cannot be reduced!

1. Basic concepts of electromagnetic compatibility https://v.youku.com/v_show/id_XNDU1NTQzMzgyMA==.html?spm=a2h0k.11417342.soresults.dtitle 2.1 Basic Concepts of Electromagnetic Compatibility (Part 1) https://v.youku.com/v_show/id_XNDU1NTQ0MTMwOA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 23~A 2.2 Basic Concepts of Electromagnetic Compatibility (II) https://v.youku.com/v_show/id_XNDU1NTQ0NTUzMg==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 24~A 3.1 Electromagnetic Compatibility Test Standards (ESD Electrostatic Test Standards) https://v.youku.com/v_show/id_XNDU1NTQ0OTYwMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 22~A 3.2 Electromagnetic Compatibility Test Standard (EFT Electric Fast Pulse) https://v.youku.com/v_show/id_XNDU1NTQ1Mzg4MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 21~A 3.3 Electromagnetic Compatibility Test Standards (Surge Impulse Test) https://v.youku.com/v_show/id_XNDU1NTQ1NzY4MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 19~A 3.4 Electromagnetic compatibility test standards (RF field induction and darkroom) https://v.youku.com/v_show/id_XNDU1NTQ2Mzg2MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 20~A 4.1 Principles and Selection of Common EMS Components (Varistor 1) https://v.youku.com/v_show/id_XNDU1NjMxMDMwNA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5~A 4.1 Principles and Selection of Common EMS Components (Varistors II) https://v.youku.com/v_show/id_XNDU1NTQ3MDI3Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 18~A 4.2 Principles and Selection of Common EMS Components (TVS Transient Suppressor Diode I) https://v.youku.com/v_show/id_XNDU1NTQ3NTQyMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 19~A 4.2 Principles and Selection of Common EMS Components (TVS Transient Suppressor Diode II) https://v.youku.com/v_show/id_XNDU1NjM0MjEwMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5~A 4.2 Principles and Selection of Common EMS Components (TVS Transient Suppressor Diode III) https://v.youku.com/v_show/id_XNDU1NjMyNDMwNA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5~A 4.3 Principles and Selection of Common EMS Components (TSS Semiconductor Discharge Tube I) https://v.youku.com/v_show/id_XNDU1NTgzNjU0MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 18~A 4.4 Principles and Selection of Common EMS Components (GDT Gas Discharge Tube I) https://v.youku.com/v_show/id_XNDU1NTg0MDE2OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 17~A 4.4 Principles and Selection of Common EMS Components (GDT Gas Discharge Tube II) https://v.youku.com/v_show/id_XNDU1NTk2MjE2NA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 16~A 4.5 Principles and Selection of Common EMS Components (OVP Overvoltage Protection Module) https://v.youku.com/v_show/id_XNDU1NTk2ODg0OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 15~A 4.6 Principles and Selection of Common EMS Components (NTC Thermistors) https://v.youku.com/v_show/id_XNDU1NjMxNDg0OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 3~A 4.7 Principles and Selection of Common EMS Components (PPTC Self Recovering Fuse I) https://v.youku.com/v_show/id_XNDU1NTk3NDk1Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 13~A 4.7 Principles and Selection of Common EMS Components (PPTC Self Recovering Fuse II) https://v.youku.com/v_show/id_XNDU1NTk3OTkyMA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 14~A 5.1 EMS Surge Protection Circuit Recommendations (Part 1) https://v.youku.com/v_show/id_XNDU1NTk4Mzg1Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 12~A 5.1 EMS Surge Protection Circuit Recommendations (II) https://v.youku.com/v_show/id_XNDU1NTk4OTM0MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 11~A 5.1 EMS Surge Protection Circuit Recommendations (III) https://v.youku.com/v_show/id_XNDU1NTk5Nzg4MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 11~A 5.2 EMS Surge Protection Circuit Recommendations (Part 1) https://v.youku.com/v_show/id_XNDU1NjM1NTA2OA==.html 5.2 EMS Surge Protection Circuit Recommendations (II) https://v.youku.com/v_show/id_XNDU1NjM1NTA2OA==.html?spm=a2hcb.12675304.uerCenter.5 !2~5~5! 2~DL~DD~A&firsttime=222 5.3 ESD electrostatic protection circuit recommendation https://v.youku.com/v_show/id_XNDU1NjAwODg3Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 9~A 5.4 Precautions for ESD Electrostatic Protection Circuit Design (Part 1) https://v.youku.com/v_show/id_XNDU1NjAxMTgzNg==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 9~A 5.4 Precautions for ESD Electrostatic Protection Circuit Design (II) https://v.youku.com/v_show/id_XNDU1NjAyMTA2MA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 8~A 5.5 Precautions for the Design of EFT Group Pulse Electrical Protection Circuit (Part 1) https://v.youku.com/v_show/id_XNDU1NjAyNTA0OA==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 8~A 5.5 Precautions for the Design of EFT Group Pulse Electrical Protection Circuit (II) https://v.youku.com/v_show/id_XNDU1NjAzMjAzNg==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 7~A Summary (EMC Electromagnetic Compatibility) https://v.youku.com/v_show/id_XNDU1NjAzOTM5Ng==.html?spm=a2hbt.13141534.app.5 ~5!2~5! 2~5~5~5! 2~5~5! 2~5! 2~5! 2~5~5! 6~A

In a peaceful era, there is no gunpowder, but a battlefield without gunpowder also tests everyone and every responsible enterprise. Faced with urgent, difficult, dangerous and heavy tasks, they must be able to stand up and shoulder their responsibilities.

During the Chinese New Year, we would like to express our gratitude to our customers, friends, and family who have shown concern and support for our work! Wishing everyone good health and a happy family in the new year!

After three years of research and development, preparation, testing, and evaluation, our company has developed high-quality Schottky, low VF, and high stability junction temperature products; It has been officially launched on the market, and the situation is as follows: Main products: 30V～600V PMR 45V ～300V TBR Main application markets: Power adapter toy TV board LCD TV Set top box display Mobile phone charger for electric vehicles Induction cooker HID xenon lamp UPS inverter audio amplifier Advertising power supply LED lighting Excellent performance, welcome inquiries from users! The total power consumption of Schottky in the system depends on whether the VF and IR have reached the optimal trade off point Ptot=(VF*IF*tON)+(VR*IR*tOFF) For example, the 45W adapter can increase conversion efficiency by up to 1%, easily meeting the platinum requirements of the 80PLUS

Datang Microelectronics Technology Co., Ltd. www.dmt.com.cn Beijing China Electronics Huada Electronic Design Co., Ltd. www.hed.com.cn Beijing Tsinghua Tongfang Microelectronics Co., Ltd. www.tsinghuaic.com Beijing Automatic Testing Technology Research Institute www.bjtest.com.cn Beijing Huahong Integrated Circuit Design Co., Ltd.