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High Voltage Electrolytic Capacitors

Find high voltage electrolytic capacitors for power supply filtering, energy storage, and electronic repairs. Compare options by capacitance, rated voltage, dimensions, and mounting style to match your circuit’s requirements, and check polarity, temperature rating, and ripple current specifications before choosing a replacement.

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  1. BOSS Audio - 2.0-Farad Capacitor - Black

    SKU: J3XHF92T6L

    audio systems and vehicles nowadays but if you decide to install one in your car, this is definitely a great

    Product Description

    A black 2.0-farad capacitor with digital voltage display and audible warning for enhanced car audio performance.
    See all Deck Accessories & Installation Parts
    Your price for this item is $56.99

  2. Unique Bargains - 1pc CBB65 Capacitor 40uF 450V Run Round for AC Motor Start HVAC Compressor Generator Air Condenser - Silver

    SKU: JXYW88FWZJ

    Product Description

    A silver metallized polypropylene film capacitor designed for AC motor start and run in HVAC systems.
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    Your price for this item is $22.49

  3. Unique Bargains - 1000uF 10V 8x12mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 60pcs - Black

    SKU: JX6T9VLHHQ

    Product Description

    A high-temperature black aluminum electrolytic capacitor with radial leads, ideal for various electronic devices and DIY projects.
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    Your price for this item is $17.49

  4. Unique Bargains - 470uF 10V 6x12mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 60pcs - Black

    SKU: JX6T9VLHHL

    Product Description

    A high-temperature black aluminum electrolytic capacitor with radial leads, ideal for various electronic projects.
    See all Fuses & Capacitors
    Your price for this item is $11.49

  5. Unique Bargains - 1500uF 35V 13x21mm Electrolytic Capacitor, High Frequency, Low Impedance, Radial Leads, 12pcs - Green

    SKU: JX6T9VL9K9

    Product Description

    A set of green high-frequency, low-impedance electrolytic capacitors with radial leads for electronic projects.
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    Your price for this item is $16.99

  6. Unique Bargains - 2200uF 35V 13x25mm Electrolytic Capacitor, High Frequency, Low Impedance, Radial Leads, 12pcs - Green

    SKU: JX6T9VL9KK

    Product Description

    A set of green high-frequency, low-impedance electrolytic capacitors with radial leads for electronic projects.
    See all Fuses & Capacitors
    Your price for this item is $17.49

  7. Unique Bargains - 1500uF 10V 10x13mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 24pcs - Black

    SKU: JX6T9VLHH5

    Product Description

    A high-temperature black aluminum electrolytic capacitor with radial leads, ideal for TVs, LCDs, and DIY electronics.
    See all Fuses & Capacitors
    Your price for this item is $11.99

  8. Unique Bargains - 450V 470uF Snap-in Electrolytic Capacitor, 2pcs, 46.5x35mm, for Audio/Filter/Appliances - Black

    SKU: JX6T9VLHGR

    Product Description

    A pair of black snap-in electrolytic capacitors ideal for audio, filtering, and appliance power circuits.
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    Your price for this item is $20.99

  9. Unique Bargains - 3300uF 25V 16x21.5mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 12pcs - Black

    SKU: JX6T9VLHFG

    Product Description

    A high-temperature black aluminum electrolytic capacitor with radial leads, ideal for TVs and DIY electronics projects.
    See all Fuses & Capacitors
    Your price for this item is $14.49

  10. Unique Bargains - 4700uF 25V 16x25mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 12pcs - Black

    SKU: JX6T9VLHFV

    Product Description

    A high-temperature black aluminum electrolytic capacitor with radial leads, ideal for TVs, power supplies, and DIY projects.
    See all Fuses & Capacitors
    Your price for this item is $14.99

  11. Unique Bargains - 10000uF 16V 16x30mm Electrolytic Capacitor, High Frequency, Low Impedance, Radial Leads, 12pcs - Green

    SKU: JX6T9VL9HK

    Product Description

    A set of green high-frequency, low-impedance electrolytic capacitors with radial leads for electronic projects.
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    Your price for this item is $22.49

  12. Unique Bargains - 1000uF 25V 10x17mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 12pcs - Black

    SKU: JX6T9VLHF7

    Product Description

    A durable black aluminum electrolytic capacitor with high-temperature tolerance, ideal for various electronic devices and DIY projects.
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    Your price for this item is $10.99

  13. Unique Bargains - 4700uF 16V 13x25mm Electrolytic Capacitor, High Frequency, Low Impedance, Radial Leads, 12pcs - Green

    SKU: JX6T9VL9HC

    Product Description

    A set of green high-frequency, low-impedance electrolytic capacitors with radial leads for electronic projects.
    See all Fuses & Capacitors
    Your price for this item is $17.49

  14. Unique Bargains - 22uF 400V 10x17mm Electrolytic Capacitor, High Frequency, Low Impedance, Radial Leads, 12pcs - Green

    SKU: JX6T9VL9FW

    Product Description

    A set of green high-frequency, low-impedance electrolytic capacitors with radial leads for electronic projects.
    See all Fuses & Capacitors
    Your price for this item is $14.49

  15. Unique Bargains - 470uF 63V 13x20mm Electrolytic Capacitor, Radial Leads Aluminum, 18pcs, 105C High Temp for TVs, LCD Monitor, VCD - Black

    SKU: JX6T9VL9G5

    Product Description

    A set of black aluminum electrolytic capacitors with radial leads, rated for high temperatures up to 105°C.
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    Your price for this item is $13.49

  16. Unique Bargains - 10uF 400V 10x13mm Electrolytic Capacitor, High Frequency, Low Impedance, Radial Leads, 12pcs - Green

    SKU: JX6T9VL9FS

    Product Description

    A set of green high-frequency, low-impedance electrolytic capacitors with radial leads for electronic projects.
    See all Fuses & Capacitors
    Your price for this item is $12.49

  17. Unique Bargains - 47uF 63V 6x11mm Electrolytic Capacitor, Radial Leads Aluminum, 10pcs, 105C High Temp for TVs, LCD Monitor, VCD - Black

    SKU: JX6T9VL9G3

    Product Description

    A set of black aluminum electrolytic capacitors with 47uF, 63V rating and 105°C high temperature tolerance.
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    Your price for this item is $9.49

  18. Unique Bargains - 400V 560uF Snap-in Electrolytic Capacitor, 2 Pin, 51.5x35mm, for Audio/Filter/Appliances - Black

    SKU: JX6T9VLHCY

    Product Description

    A black snap-in electrolytic capacitor ideal for audio, filtering, and appliance power circuit applications.
    See all Fuses & Capacitors
    Your price for this item is $15.49

  19. Unique Bargains - 470uF 6.3V SMD Aluminum Electrolytic Capacitor, Low Impedance, 6.3x7.7mm, 20pcs, for TV/Computer/DIY - Silver

    SKU: JX6T9VLRW8

    Product Description

    A set of silver low-impedance aluminum electrolytic capacitors ideal for TVs, computers, and DIY electronics.
    See all Fuses & Capacitors
    Your price for this item is $9.99

  20. Unique Bargains - 47uF 50V 6x12mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 60pcs - Black

    SKU: JX6T9VLTZ7

    Product Description

    A high-temperature black aluminum electrolytic capacitor with radial leads, ideal for various electronic device repairs.
    See all Fuses & Capacitors
    Your price for this item is $11.49

  21. Unique Bargains - 220uF 100V 13x20mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 12pcs - Black

    SKU: JX6T9VLTYQ

    Product Description

    A high-temperature black aluminum electrolytic capacitor with radial leads, ideal for TVs and DIY electronics.
    See all Fuses & Capacitors
    Your price for this item is $11.99

  22. Unique Bargains - 1uF 50V 4x7mm Electrolytic Capacitor, Radial Leads Aluminum, 50pcs, 105C High Temp for TVs, LCD Monitor, VCD - Black

    SKU: JX6T9VL9CV

    Product Description

    A pack of black aluminum electrolytic capacitors with radial leads, rated for 50V and 105°C applications.
    See all Fuses & Capacitors
    Your price for this item is $9.99

  23. Unique Bargains - 0.47uF 50V 4x7mm Electrolytic Capacitor, Radial Leads Aluminum, 50pcs, 105C High Temp for TVs, LCD Monitor, VCD - Black

    SKU: JX6T9VL9CT

    Product Description

    A pack of 50 black aluminum electrolytic capacitors with 0.47uF, 50V rating for high-temperature electronics.
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    Your price for this item is $9.62

  24. Unique Bargains - 47uF 100V 10x13mm Electrolytic Capacitor, 105C High Temp Radial Leads, for TVs/LCDs/VCD, 12pcs - Black

    SKU: JX6T9VLTYL

    Product Description

    A durable black aluminum electrolytic capacitor designed for high-temperature, stable performance in electronic devices.
    See all Fuses & Capacitors
    Your price for this item is $10.99
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High voltage electrolytic capacitors help store electrical energy, smooth rectified voltage and reduce ripple in power supply circuits. Found in equipment such as industrial motor drives, audio amplifiers and certain renewable energy systems, these capacitors provide substantial capacitance in a relatively compact package. Aluminum electrolytic capacitors use a thin aluminum oxide dielectric to support energy storage between conductive layers, making them a practical choice for many high voltage DC applications. In AC-to-DC power supplies, high voltage filter capacitors help stabilize the DC bus as the load draws current between rectifier conduction intervals. Their performance depends on more than capacitance alone: rated voltage, ripple current capability, equivalent series resistance (ESR), operating temperature and expected service life all influence whether a capacitor is suitable for a particular circuit. Most aluminum electrolytic capacitors are polarized, so correct positive and negative terminal orientation is essential for safe, reliable operation. Selecting high voltage electrolytic capacitors starts with matching the component’s specifications to the circuit’s maximum operating voltage, including anticipated fluctuations and transients. A capacitor’s voltage rating is a limit, not a target operating point, and appropriate voltage derating should follow the manufacturer’s guidance and the equipment’s design requirements. Capacitance, measured in microfarads, affects energy storage and voltage ripple, while ripple current ratings and ESR help determine internal heating under load. Temperature also plays a major role in electrolytic capacitor life, making cooling, nearby heat sources and the manufacturer’s endurance specifications important considerations. For replacement capacitors, verify case dimensions, lead spacing, terminal style and mounting requirements alongside the electrical ratings; a physically compatible part is not necessarily an electrically suitable substitute. High voltage capacitors can retain a dangerous charge after equipment is unplugged, so inspection, testing and replacement should be handled by qualified personnel using the manufacturer’s prescribed safety procedures. Comparing capacitor datasheets carefully helps identify components that meet the power supply’s performance, fit and reliability requirements.

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FAQ

High voltage electrolytic capacitors are electronic components that store electrical charge using a thin metal-oxide dielectric and an electrolyte. Aluminum electrolytic capacitors are a common type. The term high voltage describes their voltage rating relative to other capacitors in the same product category.

High voltage electrolytic capacitors appear in AC-to-DC power supplies, industrial motor drives, audio amplifiers, and photographic flash circuits. Typical circuit roles include energy storage, DC-link buffering, and filtering rectified voltage.

Electrolytic capacitors use a metal-oxide dielectric and an electrolyte, while film capacitors use a thin plastic-film dielectric. Most aluminum electrolytic capacitors are polarized, meaning they have designated positive and negative terminals. Film capacitors are generally nonpolarized. The two categories also differ in capacitance ranges, leakage current, and frequency characteristics.

Capacitance tolerance describes the permitted variation from a capacitor's labeled capacitance under specified measurement conditions. For example, a capacitor labeled 100 microfarads with a tolerance of ±20% has a specified capacitance range of 80 to 120 microfarads. Capacitance and tolerance are listed separately from the voltage rating.

Ripple current is the alternating-current component flowing through a capacitor, often superimposed on a DC operating condition. Datasheets typically express a ripple-current rating as an RMS value at a stated frequency and temperature. Some also include correction factors for other frequencies or temperatures.