# LCA EMI FILTER > Specialists in feedthru capacitors ## Posts - [Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA)](https://lcaemi.com/ru-analog-4300-009-prokhodnoy-emi-filtr-hb4033-052/): Проходные EMI-фильтры типа 4300-009 широко используются для подавления помех в силовой и промышленной электронике.В качестве альтернативного решения от независимого производителя компания LCA предлагает модель HB4033-052, предназначенную для замены 4300-009 по основным электрическим и монтажным характеристикам. Решение для замены и альтернативного снабжения Фильтр HB4033-052 разработан с учетом требований инженеров, которым необходимо заменить 4300-009 без изменения конструкции устройства.Совпадение по типу монтажа и рабочим параметрам позволяет использовать его в существующих проектах и серийном оборудовании. Области применения включают: Основные характеристики (сравнение) Характеристика 4300-009 HB4033-052 Конструкция Проходной фильтр Проходной фильтр Рабочее напряжение 200VDC 200VDC Рабочий ток / 7A Диапазон ёмкости 25pF 25pF Способ установки Проходной монтаж… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [G6045-903](https://lcaemi.com/tubular-ceramic-capacitor-datasheet-g6045-903/): Tubular ceramic capacitor datasheet G6045-903 Features DRAWING - [G4532-902A](https://lcaemi.com/ceramic-capacitor-distributor-g4532-902a/): Ceramic capacitor distributor G4532-902A Features DRAWING - [G3838-001A](https://lcaemi.com/g3838-001a-ceramic-capacitor-suppliers/): Ceramic capacitor suppliers G3838-001A Features DRAWING - [G2525-909](https://lcaemi.com/high-frequency-ceramic-capacitor-g2525-909/): High-frequency ceramic capacitor G2525-909 Features DRAWING - [G2416-901](https://lcaemi.com/g2416-901-capacitor-with-ceramic-dielectric/): Capacitor with ceramic dielectric G2416-901 Features DRAWING - [G2222-006](https://lcaemi.com/ceramic-capacitor-for-industrial-use-g2222-006/): Ceramic capacitor for industrial use G2222-006 Features DRAWING - [G2020-905](https://lcaemi.com/tubular-ceramic-capacitor-manufacturer-g2020-905/): Tubular ceramic capacitor manufacturer G2020-905 Features DRAWING - [G1915-908](https://lcaemi.com/ceramic-capacitor-for-electronics-g1915-908/): Tubular ceramic capacitors/Ceramic capacitor for electronics G1915-908 Features DRAWING - [G1915-921](https://lcaemi.com/radial-ceramic-capacitor-g1915-921/): Radial ceramic capacitor G1915-921 Features DRAWING - [L3325](https://lcaemi.com/l3325-008n/): L3325-008N Features DRAWING - [Что такое фильтр электромагнитных помех](https://lcaemi.com/%d1%87%d1%82%d0%be-%d1%82%d0%b0%d0%ba%d0%be%d0%b5-%d1%84%d0%b8%d0%bb%d1%8c%d1%82%d1%80-%d1%8d%d0%bb%d0%b5%d0%ba%d1%82%d1%80%d0%be%d0%bc%d0%b0%d0%b3%d0%bd%d0%b8%d1%82%d0%bd%d1%8b%d1%85-%d0%bf%d0%be/): Что такое фильтрEMI – это английская аббревиатура Electro Magnetic Interference. Дословный перевод – фильтр электромагнитных помех. Это пассивный фильтр, состоящий из индуктивности и емкости. Он позволяет беспрепятственно пропускать низкочастотные полезные сигналы, подавляя при этом высокочастотные помехи. Этот фильтр – новый тип компонентов, получивший распространение и применение в последние годы. Он может эффективно подавлять шум сети, улучшать антиинтерференционную способность электронного оборудования и надежность системы. Он может быть широко использован в электронных измерительных приборах, компьютерном оборудовании, переключателях питания, системах измерения и управления и других областях. Проходной конденсатор – это трехтерминальный конденсатор, но по сравнению с обычным трехтерминальным конденсатором, поскольку он установлен непосредственно на… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [Что такое стеклянный изолятор.](https://lcaemi.com/%d1%81%d1%82%d0%b5%d0%ba%d0%bb%d1%8f%d0%bd%d0%bd%d1%8b%d0%b9-%d0%b8%d0%b7%d0%be%d0%bb%d1%8f%d1%82%d0%be%d1%80/): Стеклянный изолятор Выбор материала: GTMS обычно включает в себя стеклянный и металлический компоненты. Выбор материалов зависит от конкретного применения и желаемых свойств уплотнения. Обычно используются такие металлы, как нержавеющая сталь, ковар и сплавы на основе никеля, а различные виды стекла выбираются в зависимости от коэффициента теплового расширения и химической стойкости. Проектирование и подготовка: Инженеры разрабатывают форму и размеры металлических и стеклянных деталей, подлежащих герметизации. Металлический компонент часто обрабатывается или изготавливается до нужной формы, в то время как стеклянный компонент может быть сформирован с помощью таких процессов, как экструзия или формовка. Чистота: Одним из важнейших аспектов GTMS является обеспечение тщательной очистки металлических… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [what is Feedthrough capacitor ？](https://lcaemi.com/feedthrough-capacitor/): The feedthrough capacitor is a three-terminal capacitor, but compared to the ordinary three-terminal capacitor, because it is directly mounted on the metal panel, its grounding inductance is smaller, and there is almost no influence of lead inductance. The ends are isolated by a metal plate, eliminating high-frequency coupling. These two characteristics determine that the feedthrough capacitor has a filtering effect close to that of an ideal capacitor. It is a ceramic medium, and the capacitance of the ceramic capacitor will change with the change of the ambient temperature. This change in capacitance will affect the filter cut-off rate of the filter.… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [Что такое проходной конденсатор?](https://lcaemi.com/%d0%bf%d1%80%d0%be%d1%85%d0%be%d0%b4%d0%bd%d0%be%d0%b9-%d0%ba%d0%be%d0%bd%d0%b4%d0%b5%d0%bd%d1%81%d0%b0%d1%82%d0%be%d1%80/): Проходной конденсатор – один из важнейших элементов электронных схем. Без него невозможно представить работу многих устройств, от простых радиоприемников до сложных компьютерных систем. Каково же значение этого компонента и почему он играет такую важную роль в электронике? Проходной конденсатор выполняет функцию пропускания переменного тока, при этом блокируя постоянный ток. Таким образом, он служит фильтром, который позволяет избавиться от постоянной составляющей сигнала и передать только переменную часть. Это особенно полезно при работе со звуковыми или видео сигналами, где нежелательно наличие постоянного компонента. Кроме того, проходные конденсаторы используются для разделения сигналов различных уровней в электронных схемах. Кроме того, проходные конденсаторы играют важную роль… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [Роль проходного конденсатора в электронной](https://lcaemi.com/%d0%bf%d1%80%d0%be%d1%85%d0%be%d0%b4%d0%bd%d0%be%d0%b3%d0%be-%d0%ba%d0%be%d0%bd%d0%b4%d0%b5%d0%bd%d1%81%d0%b0%d1%82%d0%be%d1%80%d0%b0/): Одна из основных задач проходного конденсатора состоит в том, чтобы поддерживать постоянный уровень напряжения в рабочей схеме. Он выполняет роль энергетического резервуара, постоянно перезаряжаясь и выпуская заряд в моменты, когда в схеме возникают изменения напряжения. Таким образом, проходной конденсатор выполняет функцию сглаживания сигнала и предотвращает возможное «дребезжание» или пульсации напряжения. Еще одним важным аспектом роли проходного конденсатора в электронной схеме является фильтрация помех и шумов. В современных электронных устройствах возникают различные помехи, вызванные внешними и внутренними источниками. Проходной конденсатор позволяет фильтровать эти помехи, перекрывая нежелательные частоты и предотвращая их попадание в основную цепь сигнала. Таким образом, он обеспечивает более стабильный и… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [Applications:glass-to-metal feedthroughs/sealing](https://lcaemi.com/glass-to-metal-feedthroughs-sealing/): glass-to-metal feedthroughs/sealing Applications:Glass-to-metal sealing is used in a wide range of applications, including:Electronic Packaging: It is commonly used to create hermetic seals for electronic components such as vacuum tubes, transistors, and sensors. Aerospace and Aviation: GTMS is vital in aerospace for sealing connectors, feedthroughs, and other critical components that must withstand extreme conditions. Medical Devices: Hermetic seals in medical devices like pacemakers and implantable sensors ensure long-term reliability and biocompatibility. Automotive: Used in automotive sensors, airbag igniters, and other critical systems. - [What is  Glass insulator.](https://lcaemi.com/glass-insulator/): Glass insulator Material Selection: GTMS typically involves a glass component and a metal component. The choice of materials depends on the specific application and the desired properties of the seal. Common metals used include stainless steel, Kovar, and nickel-based alloys, while various types of glass compositions are selected based on their thermal expansion coefficients and chemical resistance. Design and Preparation: Engineers design the shape and dimensions of the metal and glass parts to be sealed. The metal component is often machined or fabricated to the desired shape, while the glass component may be formed through processes like extrusion or molding. Cleanliness: One… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [Our company is holding an exhibition at the 102nd China Electronics Fair.](https://lcaemi.com/102nd-cef/): China Electronics Fair (CEF) is the largest and most comprehensive exhibition of electronics and information industry in China. With its debut in 1964, CEF has grown up with Chinas fast-growing economy and witnessed the transition and development of Chinas electronics and information industry from planned economy to market economy. CEF is composed of spring, summer and fall edition held in Shenzhen, Chengdu and Shanghai respectively with a total exhibition area of 150,000 square meters each year. CEF serves applied fields including 3C, automobile, power supply and defense industry, etc. It helps your companies tap into the world s fastest growing electronics… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [What is an EMI filter](https://lcaemi.com/what-is-an-emi-filter/): What is an EMI filterThe EMI mentioned here is the English abbreviation of Electro Magnetic Interference. The literal translation is electromagnetic interference filter. It is a passive filter composed of inductance and capacitance. It allows the low-frequency useful signals to pass through smoothly, while suppressing high-frequency interference. This filter is a new type of component that has been popularized and applied in recent years. It can effectively suppress grid noise, improve the anti-interference ability of electronic equipment and the reliability of the system. It can be widely used in electronic measuring instruments, computer room equipment, switches Power supply, measurement and control… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [The company passed the new environmental hazardous substances in June 2023 ROHS](https://lcaemi.com/2023-rohs/): The company passed the new environmental hazardous substances in June 2023 ROHS - [How to soldering screw type feedthrough capacitor/filter](https://lcaemi.com/crew-type-feedthrough-capacitor-filter/): The core of screw type feedthrough capacitor or screw type feedthrough filters is a disc-shaped multilayer or tubular ceramic capacitor. It has the same properties as other ceramic articles and will be damaged by mechanical vibration, sudden temperature changes and excessive voltage. For the installation of feedthrough capacitors or filters on the circuit board, care must be taken to minimize various stresses when soldering the guide pins of the filter and shaping. Here are some related considerations: Install direct soldering feedthrough capacitor (filter) *The soldering   process should be controlled so that the filter will not be subjected to sudden thermal shock… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [If the EMC test fails, how can the product be rectified?](https://lcaemi.com/emc-test/): EMC is mainly through the comprehensive evaluation of the electromagnetic interference size and anti-interference ability of the test product, which is one of the important indicators of product quality and safety certification. Many products will encounter unsatisfactory product testing during product safety certification, especially in the electromagnetic compatibility test (ie EMC test), the frequency of errors is more common. Once the product fails the test, the EMC rectification notice must be followed. In the process of EMC rectification, many managers and technicians do not quite understand where to start. Today we will analyze the problems encountered in EMC rectification and some… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [EMI/EMC Design Classic 70 Q/A?](https://lcaemi.com/emi-emc-design-classic-70-q-a/): 1.What should we do to design EMC products? Answer: To meet the functional requirements of the product, reduce the debugging time, and make the product meet the requirements of the electromagnetic compatibility standard, so that the product will not produce electromagnetic interference to other equipment in the system. 2. From which aspects can the electromagnetic compatibility design of the product be carried out? Answer: Circuit design (including device selection), software design, circuit board design, shielding structure, signal line/power line filtering, circuit grounding design. 3. In the field of electromagnetic compatibility, why is it always described in decibels (dB)? Answer: Because the… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [The use of "little things" magnetic beads, magnetic rings and magnetic clips in the rectification of](https://lcaemi.com/the-use-of-little-things-magnetic-beads-magnetic-rings-and-magnetic-clips-in-the-rectification-of/): The use of “little things” magnetic beads, magnetic rings and magnetic clips in the rectification of electromagnetic compatibility practice There are two special types of inductance in electromagnetic compatibility rectification applications Ferrite beads, ferrite magnetic rings, magnetic clips Ferrite beads are single-ring inductors, which form a single ring by passing a single wire through a ferrite profile. The attenuation of this device is 10dB in the high-frequency range, and the attenuation is small at DC. Similar to ferrite beads, the common mode (CM) and differential mode (DM) attenuation in the frequency range up to GHz can reach 10-20dB. The ferrite material… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [The Company successfully passed the certification of high-tech enterprises in Fujian Province](https://lcaemi.com/the-company-successfully-passed-the-certification-of-high-tech-enterprises-in-fujian-province/):  The company passed ISO9001:2008 quality management system certification in 2014, and all products comply with ROHS certification. The company has strong independent research and development and innovation capabilities, and has obtained many independent intellectual property rights that have been recognized and issued by the state. - [What is EMI](https://lcaemi.com/what-is-emi/): What is EMI EMI is the abbreviation of ElectroMagnetic Interference, which is a compound word, we should consider “electromagnetic” and “interference” separately. The so-called “interference” refers to the two-layer meaning that the performance of the equipment is reduced after interference and the interference source that interferes with the equipment. The first layer of meanings such as thunder and lightning makes the radio produce noise, the motorcycle screen is driving around, snowflakes appear on the TV screen, and the radio sound is heard after picking up the phone. These can be referred to as “BC I” “TV I” “Tel I” , These… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [LCA is certified by Tri-Star Brands-feedthrough capacitor](https://lcaemi.com/lca-is-certified-by-tri-star-brands/): feedthrough capacitor - [Correct selection and application of electromagnetic compatibility components](https://lcaemi.com/correct-selection-and-application-of-electromagnetic-compatibility-components/): In a complex electromagnetic environment, each electronic and electrical product must be able to withstand a certain amount of external electromagnetic interference to work properly, and it cannot generate electromagnetic interference that cannot be tolerated by other electronic and electrical products in the electromagnetic environment. In other words, it is necessary to meet the electromagnetic sensitivity limit value requirements of the relevant standards and the electromagnetic emission limit value requirements. This is the problem that the electromagnetic compatibility of electronic and electrical products should be solved. It is also the electromagnetic compatibility of electronic and electrical products. Necessary conditions for certification.… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [Printed Circuit board (PCB) level EMC design](https://lcaemi.com/printed-circuit-board/): 1. introduction Printed circuit board (PCB) is a support for circuit components and devices in electronic products. It provides electrical connections between circuit components and devices. It is the most basic component of various electronic equipment. Its performance is directly related to electronics. The quality of the equipment. With the development of the information society, various electronic products often work together, and the interference between them is becoming more and more serious. Therefore, the electromagnetic compatibility problem has become the key to whether an electronic system can work normally. Similarly, with the development of electric technology, the density of PCBs is… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [LCA obtained the utility model patent certificate of "Capacitor Tooling Tray".](https://lcaemi.com/capacitor-tooling-tray/): LCA obtained the utility model patent certificate of “Capacitor Tooling Tray”. - [These methods that failed the EMC test EMC test These methods](https://lcaemi.com/the-emc-test/): First of all, it is necessary to diagnose the product according to the actual situation, analyze the source of the interference and the ways and methods of mutual interference. Then according to the analysis results, targeted rectification. In general, the main rectification methods are as follows. 1. Reducing the interference source On the basis of finding the interference source, the interference source can be reduced within the allowable range. The methods of reducing the source are generally as follows: a Add a decoupling capacitor between the VCC and GND of the IC. The capacity of this capacitor is between 0.01μF-0.1μF. Pay… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [About the difference between analog ground and digital ground, magnetic beads, inductance](https://lcaemi.com/magnetic-beads/): In simple terms, the digital ground is the common reference terminal of the digital circuit part, that is, the reference terminal of the digital voltage signal; the analog ground is the common reference terminal of the analog circuit part, the voltage reference terminal (zero potential point) of the analog signal. 1. Reasons for being divided into digital ground and analog ground: Because the digital signal is generally a rectangular wave, with a lot of harmonics. If the digital ground and analog ground in the circuit board are not separated from the access point, the harmonics in the digital signal can easily… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [LCA successfully obtained the ownership of the "obbligato" trademark.](https://lcaemi.com/obbligato-trademark/) - [How to integrate electromagnetic compatibility (EMC) design into product development process](https://lcaemi.com/integrate-electromagnetic-compatibility-emc/): 1. The industry faces challenges 　　How to make your products meet the requirements of electromagnetic compatibility (EMC) standards in the corresponding market, so as to obtain relevant certifications quickly and at low cost, and smoothly enter the target market? This is the problem and confusion that every R&D company that is going to internationalize will face. The product R&D departments of various enterprises are facing huge challenges. According to our understanding of most electronics companies in the industry, the current status of companies in EMC design is: “three nos”-product engineers do not master EMC design methods, companies do not have product… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [LCA obtained a utility model patent certificate for "capacitor bank".](https://lcaemi.com/lca-obtained-a-utility-model-patent-certificate-for-capacitor-bank/) - [LCA obtained the patent certificate of "new type of step-like tubular ceramic capacitor".](https://lcaemi.com/we-have-successfully-obtained-the-ownership-of-the-trademark-chuanxin/): The company obtained the patent certificate of “new type of step-like tubular ceramic capacitor”. - [The company obtained a utility model patent certificate for "an improved film capacitor for audio circuits".](https://lcaemi.com/the-company-obtained-a-utility-model-patent-certificate-for-an-improved-film-capacitor-for-audio-circuits/): The company obtained a utility model patent certificate for “an improved film capacitor for audio circuits”. - [LCA successfully obtained the ownership of the trademark "Chuanxin".](https://lcaemi.com/chuanxin-means-feedthru/): ”chuanxin“ means feedthru ，feed through capacitors ## Pages - [HB2419-001](https://lcaemi.com/hb2419-001/): High-frequency solder-in filters for 5G devices HB2419-001 Features Join our community Learn about new products and discounts! 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Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce - [Multilayer EMI Filter Chips](https://lcaemi.com/multilayer-emi-filter-chips/): Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce - [Glass to Metal Seals](https://lcaemi.com/glass-to-metal-seals/): Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce - [Solder Mount Feed-Thru capacitors](https://lcaemi.com/solder-mount-feed-thru-capacitors/): Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce - [Tubular ceramic capacitors](https://lcaemi.com/tubular-ceramic-capacitors/): Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce - [Obbligato gold capacitors](https://lcaemi.com/obbligato-gold-capacitors/): Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce - [Contact](https://lcaemi.com/contact/) - [NEWS](https://lcaemi.com/feedthrough-filter/): feedthrough filter - [About US](https://lcaemi.com/about-lca/): LCA TEAMS Certificates: FAQ Bruce&LCA Company offers non-capacitive lowpass EMI Feedthrough Filters and RF Feed-thru Capacitors in all the popular Screw and solder-in bodies that we offer in capacitive filters. Besides, Obbligato gold premium audio capacitors are offered. Fast delivery. All filters and capacitors are delivered by express (DHL/FedEx/UPS/EMS).  OEM is available. Many years OEM experience for clients mainly from North America and Europe.   Long history. More than 15 years producing experience in lowpass EMI feed-thru filters and obbligato gold premium audio capacitors.  Small order is acceptable. We treat every order well although we are a manufacturer.   Custom design is available. We… Read More »Аналог проходного фильтра 4300-009 — модель HB4033-052 (LCA) - [Screw type EMI Filters](https://lcaemi.com/screw-type-emi-filters/): Join our community Learn about new products and discounts! @ 2015 - [Metric Thread](https://lcaemi.com/metric-thread-emi-filters/): Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce - [HOME](https://lcaemi.com/): Join our community Learn about new products and discounts! @ 2022 Built with WooCommerce ## Products - [AUTO-DRAFT](https://lcaemi.com/product/glass-to-metal-seals/) ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/lcaemi.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)