Our Mission
We custom design, manufacture, and support a wide variety of specialized, reliable, high-quality capacitors and electronic assemblies for the global commercial, medical, and defense markets. We will deliver these products at competitive prices with superior customer service.
Our Markets
Custom makes high-voltage mica-paper capacitors, subassemblies and packages high-voltage modules for the world's leading companies in the missile-system, communication-satellite, medical-electronics, geophysical, and aerospace industries in the United States and abroad.
Our Military and Commercial Applications
If you need high-voltage capacitor components, subassemblies, or modules for military or commercial uses, we can help!
Our capacitors are typically used in:
- Power-supply systems for communications and weather satellites
- Transmitter power-supplies for Electronics Counter Measures (ECMs)
- Detonating devices for Exploding Foil Initiators (EFIs or EBWs) used in Electronics Safe Arm Devices (ESADs)
- Unpackaged breadboarding circuitry
- Pulse-Forming networks for radar transmitters
- Starters for jet ignition systems
- Power-supply systems for military aircraft
- Guidance-system transmitters for missiles
- Radar transmitters for shipboard defense systems
- Traveling Wave Tube (TWT) power supplies for radar transmitters
- Power supplies for down-hole oil-and-gas exploration
Our Mica Paper
At Custom, we use "Grade A" mica paper in our capacitors because it is an excellent dielectric. A dielectric is a material that does not conduct electricity, but one that can sustain an electric field in high-voltage capacitors. Mica paper consists of flexible, continuous and uniform layers of mica that are reconstituted or reformed into paper-like electrical insulating material composed of small, thin overlapping platelets. Custom's mica paper passes the most intensive series of quality checks in the industry. The result is high-voltage reconstituted mica paper capacitors that are used by leading high-tech companies for their space-age radar, missile, satellite, ignition, detonation, cryogenic, transmission, laser, medical and oil-and-gas exploration systems.
Our Core Products 
Please review the following products for detailed information on how our products may suit your specific applications.
Our Make-to-Order Capabilities
As a make-to-order manufacturer, we can offer the following capacitor lines and more:
- High-voltage, high-reliability, reconstituted mica-paper capacitors
- High-temperature PTFE film capacitors
- High-voltage, low inductance capacitors
- High-voltage electronic modules
- High-voltage specialty capacitors that are "made to order," according to customer specifications
Our Services
For our project partners and customers throughout the world, we offer:
- Capacitor Winding
- Assembly, Soldering and Joining Processes for High Voltage Assemblies
- High Voltage Electronics Assembly and Encapsulation
- High Voltage Ball Soldering
- High Voltage Testing, including Partial Discharge
- Prototype-to-Production Programs
- Environmental, physical, and electrical testing.
- Plasma Etching
- Computer Aided Drafting (CAD)
- Prototype Development
- And many, many other Assembly, Fabrication, Packaging, and Testing capabilities.
Note - Do you need grit blasting or conductive coating for capacitors, modules, or components? Custom can do that, too! |
Our Company's Reputation
Custom is proud that our customers have recognized us as a "Top Manufacturer" on many occasions since 1964. We continue to earn this recognition because of our better than expected:
- Product quality
- On-time delivery
- Technical expertise
- Customer relations
Our Quality
Custom has professionals in a variety of disciplines.
- Our engineers assure the best possible designs based upon the latest technological developments in materials, processes, and packaging. They interface with our customer's mechanical and electrical design personnel and produce optimum capacitor designs in minimum response time.
- Our quality experts are involved in all stages of new product development to ensure delivery of the industry's finest products. This includes grading mica-paper, initial inspection of all incoming materials, and final inspection of finished parts.
- Our testing professionals perform 100% inspection for capacitance, dissipation factor, and dielectric-withstanding voltage on both capacitor sections and finished parts. They also carry out insulation-resistance, humidity, AC and DC corona, burn-in, life-test, X-ray, solderability, thermal-strength, and thermal-shock tests, if required.
- Our research-and-development technicians constantly strive to develop materials and processes to meet the ever-evolving demands of high-voltage electronics. They continuously evaluate new and old materials, processes, techniques, and equipment, as well as create and evaluate new capacitor designs.
Our Home
Our company's headquarters and manufacturing facility are located at 87 Browne St. in Oneonta, NY, midway between Albany and Binghamton. Situated among the rolling hills and dairy farms just off I-88, Oneonta is a small college town in a bucolic area known as James Fenimore Cooper's Leatherstocking Country. Easily accessible by air (airports are in Albany, Binghamton, and Syracuse) or by automobile (major approaches are the New York State Thruway, I-88, and I-81), the area is well known for its many attractions, hotels and eateries.
About the Custom Electronics Facility
We invite you to visit our 27,000 sq. ft. manufacturing plant in Oneonta, NY, which is home to our Research & Development Lab (ESG), Engineering, Prototype, and Sales Departments as well our various Production areas, which include:
- Winding, where all of our mica paper, Mylar® and PTFE Film capacitors are wound and prepped for…
- Processing, where windings undergo various procedures before being sent to…
- Packaging, where it is determined if the part will be Unencapsulated, Wrap and Fill, Epoxy Filled, Molded, high-temperature, E.F.I., or built as a Module. Then it is on to…
- Testing, where all components and modules undergo inspection and rigorous testing before being delivered.
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