MILITARY & DEFENSE SOLUTIONS
High-Reliability Capacitors for Defense Electronics & Power Systems
Precision Capacitors for Demanding Defense Applications
Defense and military systems require capacitors that are reliable, precisely specified, and traceable. Capacitor Industries, through its SEI Capacitors and Chicago Condenser divisions, manufactures metalized film and high voltage capacitors for critical defense-adjacent applications including power conditioning systems, radio and TV transmitters, pulse discharge systems, airport runway lighting, and scientific apparatus used in defense environments.
Since 1961
SEI Capacitors
Critical application heritage
1,000–100,000V
HV DC Range
Pulse & power systems
USA Made
Chicago Condenser
Domestic manufacturing
Custom Designs
Available
To customer specification
Our Products for Military & Defense Applications
| Product | Application for This Industry |
|---|---|
| High Voltage DC Capacitors | Chicago Condenser and SEI high voltage DC capacitors (1,000V to 100,000V) for radar transmitters, communications equipment, pulse power systems, and directed energy power supplies requiring stable, high-voltage energy storage. |
| SEI Metalized Film Capacitors | SEI Capacitors (founded 1961, CAGE Code 24152) manufactures metalized film capacitors for critical applications including aerospace, avionics, instrumentation, and defense power conditioning systems. Rated to 550VDC with custom design capability. |
| Pulse Discharge Capacitors | Chicago Condenser capacitors for pulse discharge applications using polypropylene and polyester film dielectrics with capacitor-grade aluminum foil — suited for pulsed power systems in defense electronics. |
| Aluminum Electrolytic Capacitors | Filtering and energy storage in defense system power supplies, communication equipment power conditioning, and ground support electronics requiring long-life, reliable electrolytic capacitors. |
| Custom Engineered Designs | A substantial portion of SEI and Chicago Condenser production is custom-engineered to specific electrical and mechanical customer requirements. Applications have included airport runway lighting, scientific apparatus, and specialized power systems. |
Defense-Grade Quality Practices
- SEI Capacitors holds CAGE Code 24152 — registered manufacturer with defense supply chain history
- Chicago Condenser products manufactured in the USA for domestic supply chain requirements
- Custom designs available to meet specific voltage, capacitance, and mechanical specifications
- Non-PCB, non-toxic dielectric systems in all film capacitor products
- ISO-certified manufacturing with full traceability documentation available
- Contact us to discuss specific program requirements and qualification support
Reliable capacitors for systems where precision matters.
Reach Our Technical Team at 773-774-6666 or Shop at capacitorindustries.com →
