Where To Find Large Capacitors?

Capacitors are electronic components that store electrical charge and energy, and they play an important role in various applications such as power supplies, filters, couplers, and timing circuits. Large capacitors, defined as those with capacitance values exceeding 100 microfarads, are used in heavy-duty electrical equipment, industrial machinery, renewable energy systems, and audio amplifiers, among others. If you need to find large capacitors for your project or repair, there are several ways to search for them, depending on your requirements, budget, and timeline.

One option is to look for large capacitors at electronic component distributors and suppliers, such as Mouser, Digi-Key, RS Components, Newark, and Farnell. These companies offer online catalogs and stores that allow you to browse and filter capacitors by type, voltage rating, capacitance range, brand, and price. They also provide technical specifications, datasheets, and customer support to help you choose the right capacitor for your application. Moreover, some distributors offer fast shipping, same-day delivery, or local pickup options, which can save you time and money.

Where to Find Large Capacitors?

Large capacitors are used in a variety of applications, such as power supply filtering, motor starting and speed control, and energy storage. These capacitors have higher capacitance values than standard capacitors and are able to store more charge.

If you’re looking to buy large capacitors, here are some places where you can find them:

1. Electronics stores – Check your local electronics store for a selection of large capacitors.

2. Online stores – Many online stores specialize in electronic components and may have a wider selection of large capacitors.

3. Industrial suppliers – Suppliers of industrial equipment may also carry large capacitors for use in machinery and other applications.

4. Salvage yards – Salvage yards and surplus stores may have large capacitors available from salvaged equipment.

5. Auction sites – Online auction sites like eBay may have large capacitors for sale from various sources.

When shopping for large capacitors, it’s important to consider the specifications of the capacitor, such as the capacitance value, voltage rating, and physical size. Additionally, be sure to purchase from a reputable supplier to ensure quality and reliability.


1. Where can I find large capacitors for my project?
Answer: You can find large capacitors at electronic stores, online retailers, or specialty capacitor suppliers.

2. What sizes do large capacitors typically come in?
Answer: Large capacitors can come in a variety of sizes, with commonly available capacitance ranging from several hundred microfarads to several thousand farads.

3. What types of large capacitors are available?
Answer: Some common types of large capacitors include electrolytic, tantalum, ceramic, film, and supercapacitors.

4. What should I consider when selecting large capacitors for my project?
Answer: Consider the capacitance needed for your project, voltage rating, temperature rating, and size limitations.

5. Do large capacitors require any special handling or storage?
Answer: Large capacitors can be sensitive to temperature and humidity, and should be stored in a cool, dry place away from direct sunlight. Some types of capacitors may also require special handling to prevent damage.


In conclusion, finding large capacitors is not always an easy task. However, with a bit of research and determination, you can locate a variety of options. Online retailers, electronic component suppliers, and specialty stores are all great places to start your search. Keep in mind the specific capacity and size you need, and don’t be afraid to reach out to experts in the field for advice. With these tips and a bit of patience, you can find the perfect large capacitor for your project or application.

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