Celem Passive Components vs Ioxus
Celem Passive Components
Invented the Conduction cooled capacitor. Excels in Quality & Reliability Design support
8 employees · est. 1963 · Israel
Celem Passive Components is the older company (1963 vs 2007); Ioxus is the larger of the two.
Side-by-Side Comparison
| Metric | Celem Passive Components | Ioxus |
|---|---|---|
| Founded | ||
| Founded | 1963 older | 2007 |
| Headquarters | ||
| Headquarters | Israel | Oneonta, United States |
| Employees | ||
| Employees | 8 | 28 larger |
| Industry | ||
| Industry | B2B, Energy, Industrial | Energy, Industrial, Manufacturing |
| Funding Stage | ||
| Funding Stage | Not tracked yet | Debt Financing |
| Total Funding | ||
| Total Funding | Not tracked yet | $147.35M |
| Funding Rounds | ||
| Funding Rounds | Not tracked yet | 15 |
| Services | ||
| Services | Development and Production of High Power Capacitors, Solutions for Induction Heating, Wireless Power Transfer Solutions, Customized Capacitor Solutions | Not tracked yet |
| Target Customers | ||
| Target Customers | Manufacturers in the Electronics Industry, Companies in Wireless Power Transfer Applications, Industrial Sectors Utilizing Induction Heating, Companies requiring advanced capacitor technology | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Induction Heating ApplicationsHigh-Frequency Power CapacitorsMica-Based TechnologyConduction Cooled CapacitorsPolypropylene CapacitorsPower Electronics +6 | Clean Tech IndustryUltracapacitorsHybrid CapacitorManufacturing CapabilitiesEngineering ResourcesGreen Energy Solutions +9 |
| Website | ||
| Website | celem.com | ioxus.com |
About Celem Passive Components
Celem Passive Components, established in 1963, is a family-owned business that specializes in high-frequency power capacitors for Induction Heating applications. With headquarters in Israel, the company prides itself on pioneering the Conduction cooled capacitor, emphasizing both quality and reliabi...
About Ioxus
Ioxus, founded in 2007, is a company specializing in the manufacturing of ultracapacitors and hybrid capacitor business, with a slogan of "Smart Power." Leveraging its heritage and strategic partnerships, Ioxus brings experienced and flexible manufacturing capabilities to the clean tech industry. It...
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Compiled from the BounceWatch company index. We last looked at Celem Passive Components on 31 Mar 2026, and Ioxus on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
