What are the brands of safety capacitors?

I will provide you with a detailed introduction to the main brands of safety capacitors, and categorize them into international brands and domestic innovative brands. The main contents of the report are as follows:

Internationally renowned brands: Use a list to introduce the characteristics and technological advantages of the four major international brands: Farah Electronics, Epicos, Vishay, and WIMA.

Domestic Innovative Brands: Use a list and table to compare and introduce the technological innovation and market positioning of the five major domestic brands, namely Matsuda Electronics, Teruixiang, Jingqin, Shengrongda, and Songjia Electronics.

Selection suggestions and market trends: Use a table to compare brand selection suggestions in different application scenarios, and analyze the three major development trends of safety capacitor miniaturization, automotive grade certification, and material innovation.

Next, I will begin writing the main body of the safety capacitor brand panorama report.

Panoramic report on safety capacitor brands: in-depth analysis of international giants and domestic innovation forces

As a core component for ensuring the safe operation of electronic devices, safety capacitors play key roles in circuit design, including electrical isolation, safety protection, and electromagnetic compatibility. With the development of electronic devices towards miniaturization and high power density, technological innovation and brand selection of safety capacitors have become important issues faced by engineers. This article will comprehensively review mainstream safety capacitor brands at home and abroad, analyze their technical characteristics, product advantages, and market positioning, and provide professional references for electronic design selection.

1、 Internationally renowned brands: technological accumulation and global certification advantages

International brands have profound technical accumulation and a complete certification system in the field of safety capacitors, and their products are known for high reliability and global market applicability.

Fala Electronics (Xiamen Fala Electronics Co., Ltd.)

As the largest and world leading manufacturer of thin film capacitors in China, Farah Electronics has an annual production capacity of 3 billion thin film capacitors and 1800 tons of metalized film. The company has established a high-level TS16949 quality system and has been selected as one of the top 100 electronic component enterprises in China for 21 consecutive years. Farah Electronics has significant advantages in metalized thin film technology, and its products are particularly suitable for industrial power systems, new energy, and automotive electronics fields that require high reliability, providing comprehensive safety capacitor solutions.

EPCOS/TDK

Formerly known as Siemens Matsushita Components, it is now under the TDK Group. This brand has a deep technical accumulation in the fields of communication and automotive electronics, and its products have been certified by multiple countries such as VDE in Germany and UL in the United States, meeting the strictest international safety standards. After merging with TDK's component division, EPCOS has further strengthened its technological advantages in high-frequency and high-temperature applications. Its safety capacitor products are particularly suitable for demanding automotive electronics and industrial control systems.

Vishay (Vishay Technology)

Vishay, a leading global supplier of automotive safety capacitors, has all its products certified by AECQ200 and IEC 6038414 standards, using wet manufacturing processes and reliable precious metal electrode (NME) technology. In the process of automotive electronicization, Vishay's X/Y safety capacitors can effectively solve the problem of electromagnetic interference (EMI) and cope with the complex working conditions of automotive electrical systems. Its products maintain stable performance within a wide temperature range of 40 ° C to+125 ° C, significantly reducing overvoltage risks and improving driving safety.

WIMA (WIMA)

It enjoys a high reputation in the fields of high-end audio and precision instruments, especially known for its MKP10 polypropylene capacitor with a red casing, which is referred to as the "red elixir" by audiophiles. Wima capacitors use precision thin film technology, which has extremely low dielectric loss and excellent frequency characteristics. Although facing increasing competition in the high-end film capacitor market, Wima still maintains an irreplaceable position in high fidelity audio systems, and its products represent the high-end manufacturing level of film capacitors.

2、 Domestic innovative brands: leaders in miniaturization and high-density design

In recent years, Chinese safety capacitor manufacturers have made breakthrough progress in surface mount and miniaturization technologies, and domestic brands represented by Matsuda Electronics have demonstrated strong competitiveness in power density and automation production adaptability.

Matsuda Electronics (STE)

As a national specialized and innovative "little giant" enterprise, Matsuda Electronics launched the industry revolutionary SMDX1Y1 SMD Y capacitor in early 2025, and obtained China's first SMD Y1 certificate (VDE/ENEC certification) issued according to the latest international standards. This product adopts a flame-retardant epoxy resin shell (UL94 V0 grade) with a thickness of only 2.5mm (significantly reduced compared to the traditional plug-in capacitor's 11.5mm), supports a high capacity of 4700pF, and is available in three size specifications: 3225, 3222, and 4522.

The technological breakthroughs of Matsuda Electronics are mainly reflected in three aspects:

Space saving: Adopting a chip horizontal assembly method, compatible with SMT automatic soldering, reducing circuit board space occupation by up to 78%, meeting high-density circuit design requirements

Environmental adaptability: Passed AECQ200 certification (1000 cycles of cold and hot shock), meets the Double 85 test standard (85 ° C/85% RH), and operates within a temperature range of 40 ° C to+125 ° C

Safety performance: The withstand voltage between the pin and the housing reaches 4000VAC (rms), and the insulation resistance exceeds 10000M Ω, effectively preventing thermal breakdown and inter electrode arc discharge

Matsuda Electronics has become a core supplier of safety capacitors for well-known brands such as Xiaomi, Huawei, Bull, and Beisi. Its products have been applied in nearly a hundred fast charging devices, fully verifying their reliability.

Terui Xiang (TRX)

We are an innovative enterprise specializing in multi-level certification of surface mount Y capacitors, providing a full range of products including consumer grade, industrial grade, and automotive grade. The technical characteristics of Terui Xiang are:

Y1 capacitor: withstand voltage of 250V/400V, temperature range of 40-125 ° C, available in 7854 and 10596 packages (1010000pF)

Y2 capacitor: withstand voltage of 300V, available in four packaging sizes, with automotive grade products certified by AECQ200 to meet the demanding environmental requirements of automotive electronics

Anti vibration design: adopting a special internal structure to demonstrate excellent mechanical stability in mobile devices and vehicle environments

Terui Xiang capacitors have been applied to high-power density devices such as Lenovo Legion 170W Gallium Nitride Charger and HP 96W Fast Charge, performing well in space constrained designs.

JingQin (JingQin)

The characteristic of Jingqin lies in its innovative capacitor combination design, providing multiple built-in topology structures:

Single Y capacitor structure (SMD1 Y1X1): 10~2200pF

Double Y capacitor series structure (SMD2 Y1X1): enhances isolation safety, 50~2200pF

Double Y capacitor parallel structure (SMD3 Y1X1): Provides high capacitance solution, 100~4700pF

Double Y series structure with external grounding (Y2 series only): optimizing EMI filtering effect

Jingqin products have a compact mechanical structure and excellent moisture resistance, suitable for industrial equipment and outdoor electronic products in high humidity environments. Its typical applications include compact power adapters such as Guoli 45W/50W dual USB-C gallium nitride chargers.

Shengrongda Technology (SRD)

As a professional manufacturer of metalized film capacitors, Shengrongda has a production base of 36000 square meters and more than 2500 employees. It is a long-term partner of companies such as BYD, Skyworth, Galanz, and Midea. The company's core products include:

X1/X2 safety capacitors: packaged with metalized polypropylene film (MKP) and flame-retardant epoxy resin, in compliance with UL94 V0 standard

CBB81 High Voltage Capacitor: Suitable for Switching Power Supply and Energy saving Lighting Systems

RC component electronic arc extinguisher: used for motor control and power equipment

Shengrongda has passed the ISO 9001/14001 system certification, and its products have obtained safety certifications from multiple countries such as Germany's VDE and the United States' UL, as well as China's CQC certification. The materials comply with the ROHS environmental protection directive.

ZONKAS Electronics

A capacitor manufacturer originating from Taiwan (established in 1982) with production bases in Dongguan, Suzhou, and Ganzhou. The characteristics of Songjia Electronics' safety capacitor products include:

Complete safety certification: certified by VDE in Germany, KC in South Korea, UL in the United States, ENEC in 17 EU countries, and CQC in China

Excellent temperature performance: operating temperature range of 40 ° C to+110 ° C, in compliance with IEC 40/110/56/B climate category

X2 capacitor product line: Capacity of 0.001~2.2 μ F, rated voltage of 275/310VAC, especially suitable for LED driver power supply and smart meters

Songjia Electronics adopts fully automated production lines and strictly implements RoHS and REACH environmental standards. Its products are widely used in the fields of frequency converters, energy-saving lamp ballasts, and PC power supplies.

Table: Comparison of Technical Parameters of Major Domestic Safety Standard Capacitor Brands

|Jingqin | SMD Series | 500VAC (Y1)/300VAC (Y2) | Wide Temperature Range | 5pF~10000pF ||

|Shengrongda | X1/X2 Series | 310VAC | 40~110 ° C | 0.001~2.2 μ F | VDE, UL, CQC|

|Songjia Electronics | X2 safety capacitor | 310VAC | 40~110 ° C | 0.001~2.2 μ F | VDE, UL, ENEC, CQC|

3、 Selection suggestions and market development trends

For different application scenarios, the selection of safety capacitors should comprehensively consider factors such as safety level, space limitations, and environmental requirements:

High density power supply design (such as GaN fast charging): The preferred choice is Matsuda Electronics SMDX1Y1 or Teratek SMD Y capacitor, fully utilizing its 2.5mm ultra-thin design to save space

Automotive Electronic Systems: We recommend Vishay automotive safety capacitors or AECQ200 certified products from Matsuda and Teratek to ensure wide temperature stability

Industrial power equipment: Shengrongda X1/X2 capacitors or Songjia Electronics X2 capacitors provide cost-effective solutions, suitable for industrial scenarios with complex electromagnetic environments

High end audio equipment: WIMA MKP series is still the ideal choice for pursuing pure sound quality and clarity

Home appliances and consumer electronics: Farah Electronics film capacitors provide large-scale supply guarantee and stable quality

The safety capacitor market is showing three major technological development trends:

Miniaturization and surface mount technology

Traditional plug-in Y capacitors are being replaced by surface mount capacitors for positive acceleration. The SMD Y capacitors launched by companies such as Matsuda and Teruixiang support fully automatic mounting, improving production efficiency while reducing manual soldering errors. The thickness of Matsuda SMDX1Y1 is only 2.5mm, which reduces the vertical space occupation by more than 78% compared to traditional plug-in capacitors, creating possibilities for the design of ultra-thin electronic devices.

Improved reliability requirements for vehicle specifications

With the increasing complexity of electronic systems in new energy vehicles, obtaining AECQ200 certification has become the entry threshold for automotive safety capacitors. Leading brands such as Vishay and Matsuda Electronics have completed 1000 cycles of thermal shock testing, ensuring that capacitors maintain stable performance under extreme temperature changes from 40 ° C to+125 ° C.

Innovation in Materials and Structures

Double Y capacitor series design (such as Jingqin SMD2 series) enhances safety isolation performance; Metallized polypropylene film (such as Shengrongda products) provides excellent self-healing properties; Flame retardant epoxy resin encapsulation (UL94 V0) has become a safety standard configuration. The "back mount design" adopted by Matsuda Electronics on SMDX1Y1 can avoid the thermal impact of power devices and effectively prevent thermal breakdown failure.

Table: Safety capacitor selection guide for different application scenarios

The safety capacitor market is undergoing a technological transformation from traditional plug-ins to surface mount technology, and domestic brands have shown strong innovative vitality in this transformation process. Matsuda Electronics has broken through the technological monopoly of foreign brands in the high-end safety capacitor field with the world's first VDE certified SMD Y1 capacitor; Terui Xiang and Jingqin meet the diverse needs of different scenarios from consumer electronics to automotive electronics through diversified product lines. At the same time, international brands such as Vishay, WIMA, and TDKEPCOS still maintain technological advantages in the automotive grade and high-end application fields.

In the future, the selection of safety capacitors will pay more attention to space efficiency, environmental adaptability, and compatibility with automated production. The 2.5mm ultra-thin design of Matsuda Electronics, the multi-level certification strategy of Teratek, and Vishay's vehicle specification solution represent different technological directions in different segmented fields. Electronic designers should comprehensively consider safety standards, space limitations, and environmental requirements, choose the most suitable safety capacitor solution for the application scenario, and promote the development of electronic devices towards higher power density and smaller size while ensuring safety.