Monthly Archives: January 2025

　　As we all know, MB6F is a rectifier bridge stack, which encapsulates SOP-4. Its function is to convert alternating current whose level fluctuates around zero into unidirectional direct current through the unidirectional conduction characteristics of diodes, and its function is rectification. Please see below for specific parameters and pin diagram.In the eyes of industry experts, Integrated Circuits (ICs) Indeed, it has great development potential, which makes many investors more interested. https://www.xinyun-ic.com/

　　MB6F Specification: Click to download

　　High Surge Overload Rate: 30A Peak

　　Maximum repetitive peak reverse voltage: 600v V.

　　Maximum DC blocking voltage: 600v V.

　　When current =1.0A, forward voltage drop: 1.0V.

　　Maximum reverse DC current ta = 25≧: 5.0ua.

　　Rated DC blocking voltage per leg ta = 125≧: 500.0ua.

　　Working temperature and storage temperature range: -55 to +150≧

　　Weight: 0.078 ounces, 0.22 grams

　　High temperature welding guarantee: 260≧/10s.

　　Polarity: “-“indicates the cathode end (see the figure below).

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On March 13, Foreign Ministry Spokesperson Wang Wenbin held a regular press conference.

Asked by an AFP reporter, according to media reports, US President Biden and former President Trump both won enough party representative votes in the latest round of primary elections held yesterday to lock in two presidential candidates for this year’s election. Given that China is one of the main topics of concern to American voters, what is China’s comment on the U.S. presidential nominations from both parties?

Wang Wenbin said that the U.S. election is an internal affair of the United States. China has always adhered to the principle of non-interference in other countries ‘internal affairs and will not interfere in the U.S. election.

Wang Wenbin emphasized that developing good Sino-US relations is in the fundamental interests of the two countries and their peoples and is also the general expectation of the international community. No matter who is elected as the next US president, we all hope that the US can move towards China and promote the development of Sino-US relations in a stable, healthy and sustainable direction in accordance with the principles of mutual respect, peaceful coexistence, and win-win cooperation. It will benefit both countries and the world. (Reporter Liu Liu)

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Jerusalem, May 15 (Reporters Lu Yingxu and Wang Zhuolun) Israeli Prime Minister Benjamin Netanyahu said on the 15th that Israel refused to accept the resolution recently adopted by the United Nations General Assembly on the issue of Palestinian membership, saying that the resolution does not constitute future Israeli-Palestinian negotiations. basis.

According to a press release issued by the Israeli Government Information Office, the Israeli government unanimously decided that day to refuse to accept the UN General Assembly resolution. Netanyahu said in the communiqué that the UN General Assembly resolution will not change the status of the disputed territory or the rights of Israel and the Jewish people on Israeli land. This resolution does not form the basis for future negotiations between the two sides, nor will it accelerate the peaceful settlement of the Palestinian-Israeli issue.

On the 10th of this month, the 10th emergency special session of the United Nations General Assembly adopted a resolution with a vote of 143 in favor, 9 against, and 25 abstentions, concluding that the State of Palestine meets the membership of the United Nations as stipulated in the United Nations Charter and should be accepted as a member of the United Nations. The resolution recommended that the Security Council reconsider Palestine’s application to join the United Nations as a member state from a favorable perspective.

Palestine is currently an observer state at the United Nations. In September 2011, Palestine submitted a formal application to the United Nations to become a member of the United Nations, but it was not approved by the Security Council. In early April this year, at Palestine’s request, the 15 members of the Security Council reviewed Palestine’s application for membership in the United Nations again and voted on relevant draft resolutions on April 18. The draft was not adopted because the United States used its veto power to cast a negative vote.

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According to Agence France-Presse reported on March 19, Russian official media confirmed on the 19th that Russia has replaced its commander-in-chief of the Navy. Earlier reports said that Nikolai Evmenov was dismissed as commander-in-chief of the Navy because Black Sea Fleet warships were repeatedly attacked and damaged by Ukraine.

Reported that according to RIA Novosti, former commander of the Russian Northern Fleet Alexander Moiseyev has been appointed acting commander-in-chief of the Navy, replacing Nikolai Evmenov, who has served as commander-in-chief of the Navy since May 2019.

RIA Novosti reported: Moiseyev was introduced as acting commander-in-chief of the Russian Navy at a ceremony.

Reported that the Kremlin declined to comment on Moiseev’s appointment last week. This marks the largest reshuffle of the Russian military’s top ranks in months.

According to reports, the Ukraine military claims to have destroyed more than 20 Russian ships since the conflict began in February 2022, including a military patrol boat earlier this month.

Reports said that these attacks embarrassed Moscow and forced it to transfer ships from the Sevastopol naval base in Crimea to the port of Novorossiysk further east. (Compiled by Liu Xiaoyan)

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Abidjan, March 15th: Cote d’Ivoire’s network communication services began to gradually resume on the 15th after 24 hours of widespread interruption across the country due to the rupture of submarine optical cables.

A major network operator in Cote d’Ivoire said the problem that caused the interconnection outage has been partially resolved and the resolution is continuing.

Four submarine optical cables serving West Africa suddenly broke on the 14th, causing the interruption of fixed and mobile network services provided by many telecom operators and Internet service providers in Cote d’Ivoire. It is reported that this incident affected more than ten African countries including Cote d’Ivoire, Liberia, Benin, Ghana, and Burkina Faso.

Cote d’Ivoire’s Minister of Digital Transformation and Digitalization Konat said in a statement on the 15th that the interruption of the national network in Cote d’Ivoire is an unprecedented special event, and the government is taking measures to restore network connectivity within the next 48 hours to minimize the impact on the economy and people’s daily lives.

According to officials from the Ministry of Digital Transformation and Digitalization of Cote d’Ivoire, the two major network operators in Cote d’Ivoire have switched to a cable that is still operating normally to gradually restore network communication services. (Reporter Zhang Jian)

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China-Singapore, Beijing, July 16 (Reporter Sun Zifa) Springer Nature’s professional academic journal “Nature Astronomy” recently published a planetary science paper saying that researchers have discovered a potentially accessible underground tunnel originating from an open pit on the moon. Evidence of tunnel. The results of this study have enhanced people’s understanding of lunar geology and may become an ideal location for a lunar base, thus potentially serving as a refuge in future manned missions on the lunar surface.

The paper said that more than 200 craters known as skylights have been discovered on the lunar surface, some of which were formed after the collapse of underground lava tubes. Accessible lava tubes or channels may provide a warmer environment than the lunar surface, but it has previously been uncertain whether they can lead to large underground caves.

In this study, co-authors of the paper, LC and LB of the University of Trento in Italy, and collaborators, analyzed radar data from the Lunar Reconnaissance Orbiter and found that radar brightness on the west side of the crater increased. Jinghai Crater is the deepest known crater on the moon, with a radius of approximately 100 meters, with vertical or overhanging walls and a sloping bottom.

The authors of the paper used radar images to conduct simulations and found that these observations could be explained by the presence of a cave void or pipe spreading from the west side of the bottom of the pit. They estimate that the pipeline is located at a depth of 130-170 meters, 30-80 meters long and about 45 meters wide. The cave may be flat or inclined at an angle of up to 45 degrees and may be accessible.

The authors concluded that the pipes or channels discovered in this study may be a common feature under the lunar plains, and that the Jinghai Pit and its channels may be an ideal site for a potential lunar base. The method used in the study may also be suitable for evaluating and characterizing other lunar craters to discover more channels.

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Mexico City, March 18 (Reporters Wang Zhiying and He Yixuan) Port-au-Prince News: According to Haiti media reports on the 18th, Haiti gangs attacked two communities on the outskirts of the capital Port-au-Prince that day, killing at least a dozen people.

Reports said gangs attacked homes in two communities in Labule and Tomasin, a suburb of Port-au-Prince, that day. Witnesses said at least a dozen bodies were taken away by ambulances and many residents were forced to flee.

Haiti’s electricity department announced on the 18th that four substations and the Valle power station in the Port-au-Prince area were destroyed by criminal groups and have completely stopped operating, resulting in power outages in most parts of the capital.

The security situation in Haiti has continued to deteriorate recently. Starting from February 29 this year, several gangs in Haiti have attacked public facilities such as police stations and international airports in Port-au-Prince, demanding that Prime Minister Ariel Henry step down. On the evening of March 11, Henry announced that the Haiti government would resign after the establishment of the Transitional Presidential Council.

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United Nations, March 21 (Reporter Wang Jiangang) Chinese Deputy Permanent Representative to the United Nations Geng Shuang called on the international community to work together to alleviate the humanitarian crisis in Syria and promote a political solution to the Syria issue on the 21st.

Geng Shuang said at the Security Council’s open meeting on political and humanitarian issues in Syria that with the joint efforts of the Syria government and the United Nations, cross-border rescue points have been effectively operating. China urges relevant parties to actively cooperate and promote progress in cross-line rescue. At the same time, the international community should also increase humanitarian assistance to Syria and provide sufficient and non-targeted financial support for early recovery projects across Syria. Unilateral sanctions and resource plunder have long hindered Syria’s economic recovery, social development and improvement of people’s livelihood. China urges relevant countries to immediately stop relevant illegal acts and foreign troops to immediately end their illegal military presence in Syria.

Geng Shuang said that it is necessary to promote a political solution to the Syria issue. The recently held Arab League foreign ministers ‘meeting reiterated their firm support for Syria’s sovereignty and territorial integrity and opposition to external interference. China believes that help from regional countries will help inject new impetus into the political settlement of the Syria issue. China welcomes the extensive contacts with all parties on the implementation of Security Council Resolution 2254, Pei Kai-ju, Special Envoy of the United Nations Secretary-General for Syria. The international community should uphold the principle of Syrian-owned and Syrian-led, encourage dialogue and consultation, and find solutions acceptable to all parties. Terrorism is a long-term threat to the political process in Syria. China welcomes the relevant measures taken by the Syria government to combat terrorism and maintain security and stability. The international community must adopt a zero-tolerance attitude to combat all terrorism in Syria.

Geng Shuang said that since the outbreak of this round of Palestinian-Israeli conflict, Israel has frequently launched air strikes at multiple locations in Syria, seriously violating Syria’s sovereignty and territorial integrity. China is deeply concerned about this. Against the background of the ongoing Palestinian-Israeli conflict, all parties must exercise restraint and avoid exacerbating tensions, triggering resonance in hot spots and spreading conflicts. Big countries outside domain names should play a constructive role in promoting the cooling of the situation. The international community must also redouble its efforts to jointly manage the Gaza conflict, take the unconditional ceasefire in Ramadan as the entry point, promote the realization of a permanent ceasefire and stop violence, and then inject more positive energy into peace and stability throughout the Middle East, including Syria.

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According to a Reuters report on March 12, the Russian Ministry of Foreign Affairs summoned the Swiss ambassador to Russia on the 12th because the Swiss Parliament approved a motion authorizing the Swiss government to try to confiscate and transfer Russian assets and provide funds for compensation to Ukraine.

Reports said that Russia summoned Swiss Ambassador Krestina Matilan to protest against the adoption of the above motion by the Swiss Parliament. The motion authorizes the Swiss government to establish a compensation mechanism based on international law for countries that have suffered so-called illegal attacks.

The Russian Ministry of Foreign Affairs said: Russia strongly condemns this practice by the Swiss authorities, which seriously violates the basic principles and norms of international law on state immunity.

Any infringement of Russian state-owned property under the guise of a far-fetched compensation mechanism is nothing more than theft at the national level.

The Russian Foreign Ministry said Russia would retaliate if the Swiss plan was implemented. The Swiss Ministry of Foreign Affairs did not immediately respond to a request for comment.

Switzerland said last year it had frozen about 7.7 billion Swiss francs (US$88.1 billion) in financial assets belonging to Russians under sanctions designed to punish Russia for attacking Ukraine. (Compiled by Lu Di)

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According to a report by the Russian News Agency on July 15, Vladimir Talabrin, Russia’s Permanent Representative to the Organization for the Prohibition of Chemical Weapons and Russian Ambassador to the Netherlands, told reporters on the 15th that Western countries intend to accuse Moscow of using chemical weapons.

Talabrin reportedly said: Yes, they are working hard to do the work of the Technical Secretariat of the Organization for the Prohibition of Chemical Weapons to force it to take some steps intended to accuse Russia of using chemical weapons.

He said that Russia is fighting back against this in every possible way, trying to prove with concrete facts that all these efforts are futile.

Talabrin said that Russia does not and cannot pose a chemical weapons threat to Ukraine. He pointed out that Moscow does not rule out inviting experts from the Organization for the Prohibition of Chemical Weapons to study evidence of Kiev’s use of such weapons.

The 106th session of the Executive Council of the Organization for the Prohibition of Chemical Weapons was held in The Hague from July 9 to 12. Talabrin said after the meeting that Ukraine blatantly violated the convention and used military poisons against Russian troops, a point that many foreign experts and agencies have talked about. They noted that Ukraine’s armed forces were actively using drones to transport toxic chemicals. In addition, the United States, which supplied these substances to Kiev, is also violating the convention.

Lieutenant General Igor Kirilov, commander of the Radiation, Chemical and Biological Protection Forces of the Russian Armed Forces, said at a press conference that Kiev frequently violated the Chemical Weapons Convention. At the same time, the Organization for the Prohibition of Chemical Weapons, which was supposed to oversee the implementation of the convention, is now completely controlled by the West, which uses the organization to settle political scores with Russia. (Compiled by Wei Lianglei)