Fixed & Variable Vacuum Capacitors For Sale

Explore our full line of vacuum capacitors, available in both fixed and variable configurations. These high-performance components are designed for precision and durability in demanding RF and high-voltage DC applications.

Whether you're replacing a part or building a new system, we stock vacuum capacitors trusted by engineers and OEMs worldwide.

Our vacuum variable capacitor selection

Browse our selection of high-quality variable vacuum capacitors engineered for fine-tuning, impedance matching, and RF circuitry.

Each product is built with advanced technology to deliver smooth adjustability, consistent performance, and long service life in high-frequency and high-voltage applications. Ideal for engineers seeking high performance in critical RF systems.

Type Designation (part number) OEM Equivalent Part Numbers (if any) Cmin (pF) Cmax (pF) Upt (kV) Imax at 13.56 MHz (ARMS) Dia. (mm) Height (mm)
CKT-100-0035 Fixed Vacuum Capacitor (100 pF, 35 KV Peak, New) A

Our fixed vacuum capacitor selection

Explore our fixed capacitor lineup, ideal for consistent capacitance needs across high-voltage systems. As one of the industry’s trusted vacuum tube suppliers, Penta Labs proudly offers durable and reliable components alongside a wide selection of vacuum tubes for sale for advanced RF and DC operations.

Type Designation (part number) OEM Equivalent Part Numbers (if any) Cmin (pF) Cmax (pF) Upt (kV) Imax at 13.56 MHz (ARMS) Dia. (mm) Height (mm)

Contact us for all your vacuum tube capacitor needs

Penta Labs: High Voltage Vacuum Relays & Capacitors for DC & RF Applications.

Globally recognized manufacturer offering fixed & variable capacitors and vacuum relays, OEM equivalents to Gigavac Sensata, Comet, Jennings.

For decades, Penta Laboratories has been a globally recognized leader in the design, manufacture, and distribution of high-performance high voltage components.

Our extensive experience spans both DC and Radio Frequency (RF) applications, providing our customers with reliable and innovative solutions tailored to their specific needs.

Not sure if we have the vacuum capacitor you need? Contact us and find out. with direct access to our customer support team. 

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