Dongguan Weiqing Electronics Co., Ltd

CN EN
Professional manufacturer of capacitors

Professional manufacturer of capacitors

The company specializes in R & D and production of film capacitors and safety gauge X2 capacitors, safety gauge Y1 Y2 capacitors, CBB61 capacitors, double-sided metal film resonant capacitors, patch electrolytic capacitors, gallium nitride fast charging special capacitors, etc.

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  • X1 safety capacitor

    X1 safety capacitor

  • X2 safety capacitor

    X2 safety capacitor

  • Y1 Boxed Capacitor

    Y1 Boxed Capacitor

  • Y2 Boxed Capacitor

    Y2 Boxed Capacitor

  • X1 3-pin capacitor

    X1 3-pin capacitor

  • Ceramic Y1 safety capacitor

    Ceramic Y1 safety capacitor

  • Ceramic Y2 Safety Capacitor

    Ceramic Y2 Safety Capacitor

X1 safety capacitor

X1 safety capacitor

Capacitance values and voltage ratings span a wide range, from low to high. 1. Metallized polypropylene film 2. Withstands overvoltage surges 3. Excellent flame-retardant properties 4. Widely used in power‑line coupling and other anti‑interference applications
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X2 safety capacitor

X2 safety capacitor

1. Metallized polypropylene film 2. Withstands overvoltage surges 3. Excellent flame-retardant properties 4. Widely used in power‑line bypass applications and other interference‑resistant scenarios
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Y1 Boxed Capacitor

Y1 Boxed Capacitor

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Y2 Boxed Capacitor

Y2 Boxed Capacitor

Metallized polypropylene, capable of withstanding overvoltage surges and exhibiting excellent flame-retardant properties, is widely used in anti-interference applications such as power grounding, bypass circuits, and antenna coupling.
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X1 3-pin capacitor

X1 3-pin capacitor

1. Metallized polypropylene film 2. Able to withstand overvoltage surges 3. Excellent flame-retardant properties 4. Widely used in power‑line coupling and other anti‑interference applications
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Ceramic Y1 safety capacitor

Ceramic Y1 safety capacitor

Internally, it consists of a ceramic dielectric chip with a high dielectric constant. Encased in flame-retardant epoxy resin, it has obtained CQC, VDE, ENEC, KC, CB, UL, and safety certifications. It is suitable for AC line filters, power circuits, and X/Y‑class capacitors used for primary–secondary coupling in AC adapters. It is widely employed in various applications, including filters, adapters, switch-mode power supplies, electronic ballasts, LED power supplies, and control boards for small household appliances, among others.
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Ceramic Y2 Safety Capacitor

Ceramic Y2 Safety Capacitor

Internally composed of a ceramic dielectric chip with a high dielectric constant, it is encapsulated in flame-retardant epoxy resin and has obtained CQC, VDE, ENEC, KC, CB, UL, and safety certifications. It is suitable for AC line filters, power circuits, and X/Y‑class capacitors used for primary–secondary coupling in AC adapters. Widely employed in various applications, including filters, adapters, switch-mode power supplies, electronic ballasts, LED power supplies, and control boards for small household appliances, among others.
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  • Polypropylene (CBB) 21‑capacitor pack

    Polypropylene (CBB) 21‑capacitor pack

  • Polypropylene (CBB) 21 capacitor

    Polypropylene (CBB) 21 capacitor

  • Polypropylene (CBB) 22‑capacitor pack

    Polypropylene (CBB) 22‑capacitor pack

  • Polypropylene (CBB) 22 capacitor

    Polypropylene (CBB) 22 capacitor

  • Polypropylene (CBB) 20 capacitor

    Polypropylene (CBB) 20 capacitor

  • Polypropylene (CBB) 61 capacitor

    Polypropylene (CBB) 61 capacitor

  • CBB61 AC motor starting capacitor

    CBB61 AC motor starting capacitor

  • Polypropylene (CBB) 65 capacitor

    Polypropylene (CBB) 65 capacitor

  • Polypropylene (CBB) 81 capacitor

    Polypropylene (CBB) 81 capacitor

Polypropylene (CBB) 21‑capacitor pack

Polypropylene (CBB) 21‑capacitor pack

Key features: Metalized polypropylene film, housed in a case. The capacitor operates over a temperature range of –40°C to 120°C, with low high-frequency impedance and minimal loss, making it suitable for general-purpose filtering.
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Polypropylene (CBB) 21 capacitor

Polypropylene (CBB) 21 capacitor

Metallized Polypropylene Film Capacitor temperature range: −40°C to 120°C; low high-frequency losses and excellent performance in common filtering applications. Features: - Metallized polypropylene film - Low high-frequency loss - Minimal internal temperature rise - Flame-retardant epoxy powder encapsulation (UL94 V‑0) Main Applications: Widely used in high-frequency, DC, AC, and pulse circuits where compact size and superior performance are required. Specifically designed for S‑correction circuits in color TVs and large-screen displays, suitable for various high-frequency, high-current applications.
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Polypropylene (CBB) 22‑capacitor pack

Polypropylene (CBB) 22‑capacitor pack

Main features: Metalized polypropylene film, housed in a case. The capacitor operates over a temperature range of -40°C to 120°C, with low high-frequency losses and excellent performance for general filtering applications. Key characteristics: - Metalized polypropylene film - Low high-frequency loss - Minimal internal temperature rise - Flame-retardant epoxy powder encapsulation (UL94 V-0) Primary applications: - Widely used in high-frequency, DC, AC, and pulse circuits where compact size and superior performance are required. - Specifically designed for S-correction circuits in color TVs and large-screen displays. - Suitable for various high-frequency, high-current applications. Product application: - Extensively employed in high-frequency, DC, AC, and pulse circuits, including high-voltage, high-current pulse circuits and AC loads. - Examples include electronic rectifiers, E-HID systems, televisions, electrical appliances, monitors, and more.
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Polypropylene (CBB) 22 capacitor

Polypropylene (CBB) 22 capacitor

Main features: Metalized polypropylene film, housed in a case. The capacitor operates over a temperature range of -40°C to 120°C, with low high-frequency losses and excellent performance for general filtering applications. Key characteristics: - Metalized polypropylene film - Low high-frequency loss - Minimal internal temperature rise - Flame-retardant epoxy powder encapsulation (UL94 V-0) Primary applications: - Widely used in high-frequency, DC, AC, and pulse circuits where compact size and superior performance are required. - Specifically designed for S-correction circuits in color TVs and large-screen displays. - Suitable for various high-frequency, high-current applications. Product application: - Extensively employed in high-frequency, DC, AC, and pulse circuits, including high-voltage, high-current pulse circuits and AC loads. - Examples include electronic rectifiers, E-HID systems, televisions, household appliances, monitors, and more.
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Polypropylene (CBB) 20 capacitor

Polypropylene (CBB) 20 capacitor

Main features: Metalized polypropylene film, housed in a case. The capacitor operates over a temperature range of -40°C to 120°C, with low high-frequency losses and excellent performance for general filtering applications. Key characteristics: - Metalized polypropylene film - Low high-frequency loss - Minimal internal temperature rise - Flame-retardant epoxy powder encapsulation (UL94 V‑0) Primary applications: - Widely used in high-frequency, DC, AC, and pulse circuits where compact size and superior performance are required. - Specifically designed for S-correction circuits in color TVs and large-screen displays. - Suitable for various high-frequency, high-current applications. Product application: - Extensively employed in high-frequency, DC, AC, and pulse circuits, including high-voltage, high-current pulse circuits and AC loads. - Examples include electronic rectifiers, E‑HID systems, televisions, household appliances, monitors, and more.
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Polypropylene (CBB) 61 capacitor

Polypropylene (CBB) 61 capacitor

Product features: The product is wound from metallized film and features a non-inductive structure. It is encapsulated in flame-retardant epoxy resin, housed in a flame-retardant enclosure, and offers multiple lead-out options. It boasts excellent reliability, stable performance, and superior self-healing capabilities. It incorporates a safety‑film design and meets the S3 safety protection rating. Product application: Used for starting and running single-phase motors powered by 50/60 Hz AC supplies.
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CBB61 AC motor starting capacitor

CBB61 AC motor starting capacitor

Product Features: The product is wound from metallized film and features a non-inductive structure. It is encapsulated in flame-retardant epoxy resin, housed in a flame-retardant enclosure, and offers multiple lead-out options. It boasts excellent reliability, stable performance, and superior self-healing capabilities. Its safety‑rated design meets the S3 safety protection level. Applications: Used for the starting and running of single-phase motors powered by 50/60 Hz AC supplies.
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Polypropylene (CBB) 65 capacitor

Polypropylene (CBB) 65 capacitor

Key Features: Specialized capacitor for metallized AC motors Motor starting Stable motor operation Motor mechanics Industrial equipment
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Polypropylene (CBB) 81 capacitor

Polypropylene (CBB) 81 capacitor

Features: Metallized polypropylene film, foil‑type construction; wound structure ensures low losses and minimal internal temperature rise. Negative temperature coefficient of capacitance. Flame‑retardant epoxy powder encapsulation (UL94/V‑0). Main applications: high‑brightness display monitors and color TV flyback circuits. Suitable for high‑pulse, high‑current circuits. Applicable to electronic ballasts.
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  • Polyester (CL) 20 Capacitor

    Polyester (CL) 20 Capacitor

  • Polyester (CL) 21 capacitor

    Polyester (CL) 21 capacitor

Polyester (CL) 20 Capacitor

Polyester (CL) 20 Capacitor

Features Metallized polyester film, inductive‑free winding structure; wide capacitance range, compact size, and lightweight. Excellent self‑healing properties and long service life. Flame‑retardant epoxy powder encapsulation. Main Applications Suitable for DC blocking, bypassing, and coupling of DC and VHF‑level signals; widely used in filtering and low‑pulse circuits.
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Polyester (CL) 21 capacitor

Polyester (CL) 21 capacitor

Features Metallized polyester film, inductive‑free winding structure; wide capacitance range, compact size, and lightweight. Excellent self‑healing properties and long service life. Flame‑retardant epoxy powder encapsulation. Main Applications Suitable for DC blocking, bypassing, and coupling of DC and VHF‑level signals; widely used in filtering and low‑pulse circuits.
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  • MMKP82 resonant capacitor

    MMKP82 resonant capacitor

  • MKP82 capacitor

    MKP82 capacitor

MMKP82 resonant capacitor

MMKP82 resonant capacitor

■Features Double-sided metallized polypropylene film Low loss and minimal internal temperature rise Negative temperature coefficient of capacitance Excellent flame-retardant properties ■Main Applications Widely used in high-voltage, high-frequency pulse circuits In electronic ballasts and energy-saving lamps For absorption circuits and SCR rectifier circuits
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MKP82 capacitor

MKP82 capacitor

■Features Double-sided metallized polypropylene film Low loss and minimal internal temperature rise Negative temperature coefficient of capacitance Excellent flame-retardant properties ■Main Applications Widely used in high-voltage, high-frequency pulse circuits In electronic ballasts and energy-saving lamps For absorption circuits and SCR rectifier circuits
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  • Capacitors for GaN Fast Charging

    Capacitors for GaN Fast Charging

Capacitors for GaN Fast Charging

Capacitors for GaN Fast Charging

1. Metallized polypropylene film 2. Withstands overvoltage surges 3. Excellent flame-retardant properties 4. Widely used in power‑line bypass applications and other interference‑resistant scenarios
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  • Low-noise film capacitor

    Low-noise film capacitor

Low-noise film capacitor

Low-noise film capacitor

Low-noise film capacitor products are manufactured using specialized zinc‑aluminum polypropylene film, a variety of proprietary raw materials, and dedicated equipment, combined with rigorous, custom‑designed manufacturing processes.
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  • DC-LINK capacitor

    DC-LINK capacitor

DC-LINK capacitor

DC-LINK capacitor

Ultra-thin, low-profile, safety‑film design High ripple current capability, low ESR and Ls Plastic‑encapsulated (UL94 V‑0), resin‑filled Excellent self‑healing properties Suitable for high‑performance DC filtering applications
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  • Capacitor for electricity meters

    Capacitor for electricity meters

Capacitor for electricity meters

Capacitor for electricity meters

1. Metallized polypropylene film 2. Withstands overvoltage surges 3. Excellent flame-retardant properties 4. Widely used in power‑line coupling and other interference‑resistant applications
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  • Automotive electronic capacitor

    Automotive electronic capacitor

Automotive electronic capacitor

Automotive electronic capacitor

1. Metallized polypropylene film 2. Withstands overvoltage surges 3. Excellent flame-retardant properties 4. Widely used in power‑line coupling and other interference‑resistant applications
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  • MMKP82 resonant capacitor

    MMKP82 resonant capacitor

MMKP82 resonant capacitor

MMKP82 resonant capacitor

■Features Double-sided metallized polypropylene film Low loss and minimal internal temperature rise Negative temperature coefficient of capacitance Excellent flame-retardant properties ■Main Applications Widely used in high-voltage, high-frequency pulse circuits In electronic ballasts and energy-saving lamps For absorption circuits and SCR rectifier circuits
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  • MPC metal‑film chip capacitors

    MPC metal‑film chip capacitors

MPC metal‑film chip capacitors

MPC metal‑film chip capacitors

Features High reliability metallized polyester film, Non-inductive wound structure with a plastic housing (UL94 V‑0), Flame-retardant epoxy filling. Main Applications Bypass, DC blocking, coupling, and decoupling Pulse, logic, timing, and oscillator circuits
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  • MEC metal‑film capacitor, box‑packaged

    MEC metal‑film capacitor, box‑packaged

MEC metal‑film capacitor, box‑packaged

MEC metal‑film capacitor, box‑packaged

Key features: Metalized polypropylene film‑encapsulated capacitor, with a temperature rating of –40°C to 120°C. Low high‑frequency impedance and minimal loss, suitable for general filtering applications. Main applications: Ideal for DC blocking, bypassing, and coupling in DC and VHF‑level signals; widely used in filtering and low‑pulse circuits.
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  • RC circuit with resistor and capacitor

    RC circuit with resistor and capacitor

RC circuit with resistor and capacitor

RC circuit with resistor and capacitor

■Features Composed of an X2 capacitor and a discharge resistor connected in parallel internally. Excellent flame-retardant performance. Widely used in power‑line‑to‑line applications and other anti‑interference scenarios. This RC capacitor is extensively employed for: ● Audio filtering, forming low‑pass, high‑pass, band‑pass, and band‑stop filters. ● Constructing Wien bridge circuits, suitable for measurement instruments or as low‑frequency oscillators. ● Converting high‑voltage AC to low‑voltage DC without the use of a transformer. ● Implementing twin‑T networks, utilized to create band‑pass filters or frequency‑selective amplifiers. ● Serving as a signal load in AC amplifiers while providing DC blocking, among other applications in RC circuits.
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  • Supercapacitor

    Supercapacitor

Supercapacitor

Supercapacitor

Under normal conditions, testing is conducted at standard atmospheric pressure, with a temperature range of 15–35°C and a relative humidity range of 25%–75%. Prior to testing, the sample should be equilibrated at the test temperature for at least 1 hour.
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  • MINI BOX Capacitor

    MINI BOX Capacitor

MINI BOX Capacitor

MINI BOX Capacitor

Features: Metallized polyester film, laminated‑type construction, plastic housing (UL94 V‑0), epoxy potting Strong pulse‑withstand capability Main applications: Bypass, DC blocking, coupling, decoupling of pulses, logic circuits, timing circuits, compact energy‑saving lamps, LCD monitors, rectification, automotive DC motors, and interference suppression.
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  • Ultra-thin capacitor

    Ultra-thin capacitor

Ultra-thin capacitor

Ultra-thin capacitor

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  • Axial capacitor

    Axial capacitor

Axial capacitor

Axial capacitor

■Features Metallized polypropylene, inductance‑free wound construction, axial orientation Excellent self‑healing performance Wrapped with polyester tape and paper, with flame‑retardant epoxy resin encapsulated at both ends ■Main Applications Temperature compensation circuits Timing and oscillator circuits Power factor correction and coupling in switch-mode power supplies
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  • AC filter capacitor

    AC filter capacitor

AC filter capacitor

AC filter capacitor

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Picture Name

High Performance Capacitor 5U3A5995

Prevision. Candle future

High capacitance, low ESR, excellent frequency characteristics. Applied to consumer electronics and lighting products

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Picture Name

Large capacitance aggregate finished sheet

According to high quality, accurate delivery time

WQC products have a wide range of certification, in line with the standards of all countries in the world, and are deeply loved by customers.

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Our Values

Integrity professional service team win-win

Follow the principle of good faith, mutual trust, mutual understanding, mutual respect and honesty

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Our Vision

We are committed to becoming a valuable company in the capacitor industry.

After more than ten years of rapid development, Weiqing Capacitor has accumulated a wealth of professional knowledge and practical experience.

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Our values

Integrity Professionalism Service Teamwork Win-Win

Adhere to the principles of integrity, mutual trust, mutual understanding, mutual respect, and treat each other with sincerity

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图片名称

Our Vision

We are committed to becoming a valuable company in the capacitor industry

After more than a decade of substantial development, Weiqing Capacitors has accumulated rich professional knowledge and practical experience

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Enabling industry-wide manufacturing

Innovation of production mode to achieve unlimited creativity

Rail transit

Rail transit

New energy vehicles

New energy vehicles

Industrial Control

Industrial Control

Medical device

Medical device

Household appliances

Household appliances

About Weiqing

We are committed to becoming a valuable company in the capacitor industry.

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Technical Support

Will uphold the concept of making the world's high-quality electric snow

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Will uphold the concept of making the world's high-quality electric snow

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