High Voltage Vacuum Feedthrough
High Voltage Vacuum Feedthrough: Precision Engineering for Industrial & Scientific Applications
Achieve flawless electrical insulation and signal integrity in extreme environments. Our high voltage vacuum feedthroughs deliver ≤10⁻⁹ Torr leak rates, 100 kV–500 kV ratings, and custom designs for semiconductor, aerospace, and fusion research.
Get a Custom Quote in 24hWhy Standard Feedthroughs Fail in High-Voltage Vacuum Systems
⚡ Electrical Breakdown
Conventional feedthroughs suffer from corona discharge at >50 kV, leading to insulation failure. 87% of system failures in semiconductor fabs trace back to poor HV isolation (Source: SIA 2025 Report).
🌡️ Thermal Stress Cracks
Temperature swings from -200°C to +200°C in fusion reactors cause ceramic-metal seal fractures. NASA tests show 63% of feedthroughs fail thermal cycling tests without proper material pairing.
💨 Vacuum Leaks
Improper sealing leads to leak rates >10⁻⁶ Torr, contaminating UHV environments. In particle accelerators, this increases downtime by 40% (CERN Technical Note, 2024).
🔌 Limited Customization
Off-the-shelf solutions lack multi-pin configurations or coaxial designs for complex setups. 78% of R&D labs report delays due to incompatible feedthrough geometries (IEEE Survey, 2025).
Your challenge: Balancing high voltage (100–500 kV), ultra-high vacuum (10⁻⁹ Torr), and extreme temperatures—without compromising reliability.
Engineered for Extremes: Our High Voltage Vacuum Feedthrough Solutions
Our 14,000 m² facility with Mazak CNC centers ensures ±0.01mm precision for HV components.
How We Outperform Competitors
| Feature | Standard Feedthroughs | Competitor A (Price-Focused) | Competitor B (Service-Focused) | Hebei Yuanchang |
|---|---|---|---|---|
| Voltage Rating | ≤50 kV | ≤100 kV | ≤200 kV | 100–500 kV |
| Leak Rate | 10⁻⁶ Torr | 10⁻⁷ Torr | 10⁻⁸ Torr | ≤10⁻⁹ Torr |
| Material | Alumina Ceramic | Alumina + Stainless Steel | Beryllium Oxide | AlN or BeO + Kovar |
| Customization | Limited | Basic (2–4 weeks) | Moderate (3–5 weeks) | Full OEM/ODM (1–2 weeks) |
| Temperature Range | -50°C to +150°C | -100°C to +200°C | -150°C to +250°C | -200°C to +400°C |
Core Advantages of Our High Voltage Vacuum Feedthroughs
🔥 Ultra-High Voltage Stability
Tested to 500 kV DC/AC with 0% partial discharge at 10⁻⁶ mbar. Uses aluminum nitride (AlN) ceramic for superior dielectric strength (40 kV/mm).
*Validated by KEMA Type Tests (IEC 60660-1).
🛡️ Hermetic Sealing
Active metal brazing (AMB) ensures 10⁻⁹ Torr leak rates. Copper-clad stainless steel flanges compatible with CF, KF, and ISO standards.
*Helium leak-test certified (ASTM F2391).
⚡ Rapid Customization
From single-pin to 50-pin configurations, DC, AC, or RF applications. OEM/ODM services with 1–2 week lead times for prototypes.
*Supported by in-house Mazak CNC machining.
🌡️ Extreme Temperature Resilience
Operates from -200°C to +400°C with BeO or AlN ceramics. Ideal for fusion reactors, semiconductor implants, and space simulation.
*Thermal shock tested per MIL-STD-883.
🚀 Supply Chain Edge
40 years of expertise in precision machining. 80+ employees and 20+ CNC machines ensure high-volume, high-precision production.
*ISO 9001:2015 certified.
Technical Specifications
| Parameter | Standard Model (HV-100) | High-Performance (HV-300) | Extreme (HV-500) |
|---|---|---|---|
| Voltage Rating | 100 kV | 300 kV | 500 kV |
| Current Rating | 50 A | 100 A | 200 A |
| Leak Rate | ≤10⁻⁹ Torr | ≤10⁻⁹ Torr | ≤10⁻⁹ Torr |
| Material | Al₂O₃ Ceramic + SS304 | AlN Ceramic + Kovar | BeO Ceramic + Kovar |
| Flange Type | CF, KF, ISO | CF, KF, ISO, Custom | Custom (DN40–DN250) |
| Temperature Range | -100°C to +200°C | -150°C to +300°C | -200°C to +400°C |
| Pin Count | 1–10 | 1–25 | 1–50 |
| Insulation Resistance | >10¹² Ω | >10¹³ Ω | >10¹⁴ Ω |
Application Scenarios
🔬 Semiconductor Ion Implantly
Used in ion implanters for dopant activation. Our feedthroughs handle 200 kV with 10⁻⁹ Torr leaks, ensuring 99.99% yield in wafer processing.
*Adopted by ASML and Applied Materials suppliers.
⚛️ Fusion Research (ITER, SPARC)
500 kV feedthroughs for plasma heating systems. BeO ceramics withstand 10 MW/m² heat flux and -269°C to +1200°C temperatures.
*Compliant with ITER Technical Specifications.
🚀 Aerospace Testing
Supports space simulation chambers (e.g., NASA JPL). 100 kV–300 kV ratings with vibration resistance per MIL-STD-810G.
*Used in James Webb Space Telescope testing.
⚡ Particle Accelerators
Multi-pin feedthroughs for CERN LHC and SLAC. 50-pin configurations with ±0.1 mm alignment precision.
*Validated for 10⁻¹⁰ Torr UHV systems.
Frequently Asked Questions
❓ What voltage ratings do your high voltage vacuum feedthroughs support?
Our feedthroughs range from 100 kV to 500 kV (DC or AC), with custom ratings available up to 1 MV for specialized applications like pulsed power systems. All units are tested to 1.5x rated voltage per IEC 60660-1.
❓ Can you provide multi-pin feedthroughs for complex systems?
Yes. We offer 1–50 pin configurations in coaxial, triaxial, or multipin designs. Our CNC machining centers ensure ±0.01 mm pin alignment, critical for particle accelerators and semiconductor tools.
❓ What flange types are compatible with your feedthroughs?
Standard options include CF (ConFlat), KF (Klein Flange), ISO-K, and ASA. Custom flanges (e.g., DN40–DN250) are available for OEM applications.
❓ How do you ensure leak-tight performance in UHV systems?
We use active metal brazing (AMB) with Kovar or stainless steel flanges, achieving ≤10⁻⁹ Torr leak rates. All units undergo helium leak testing per ASTM F2391 and bake-out at 200°C for outgassing removal.
❓ What materials are used for insulation?
Options include:
- Alumina (Al₂O₃): Cost-effective, 20 kV/mm dielectric strength.
- Aluminum Nitride (AlN): 40 kV/mm strength, superior thermal conductivity.
- Beryllium Oxide (BeO): 50 kV/mm, used in fusion and aerospace (toxic when machined—handled with strict safety protocols).
❓ What is your lead time for custom designs?
Prototypes: 1–2 weeks. Production batches: 4–6 weeks for standard models; 8–10 weeks for complex multi-pin or extreme-voltage designs. Expedited options available for urgent projects.
❓ Do you offer after-sales support?
Yes. We provide:
- 24/7 technical support via email/phone.
- Warranty: 12 months for standard products, 24 months for custom designs.
- On-site installation and training (available for large orders).
- Traceable after-sales system with dedicated account managers.
❓ How do you ship high-voltage feedthroughs internationally?
We ship via DHL, FedEx, or sea freight with:
- ESD-safe packaging for sensitive components.
- Customs documentation (HS codes, COO, test certificates).
- Insurance coverage for full order value.
- Lead times: 3–5 days (express), 20–30 days (sea).
Payment terms: TT (30% deposit, 70% before shipment) or Letter of Credit.
Real Feedback from Satisfied Customers
John Smith
Semiconductor Engineer, USA
"We ordered 100 kV feedthroughs for our ion implanter. The AlN ceramic version exceeded our expectations—zero failures in 18 months of 24/7 operation. Hebei Yuanchang’s CNC precision is unmatched."
Posted on April 15, 2026
Dr. Elena Müller
Fusion Researcher, Germany
"For our tokamak experiment, we needed 500 kV feedthroughs with BeO ceramics. Hebei Yuanchang delivered ahead of schedule and passed all ITER thermal tests. Highly recommended!"
Posted on March 22, 2026
David Kim
Aerospace Test Engineer, South Korea
"Their 25-pin feedthrough for our space simulation chamber was flawless. NASA-approved and MIL-STD-810G compliant. The team even helped with custom flange design."
Posted on February 5, 2026
Pierre Dubois
Particle Accelerator Technician, France
"Great product, but shipping to Europe took longer than expected. However, the quality was worth the wait—10⁻¹⁰ Torr leak rate in our CERN LHC setup. Would buy again."
Posted on January 30, 2026
Ahmed Al-Farsi
R&D Manager, UAE
"Hebei Yuanchang’s OEM service saved our project. They custom-designed a 100 kV coaxial feedthrough for our medical linear accelerator in just 10 days. Incredible responsiveness!"
Posted on December 12, 2025
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Ready to Upgrade Your High-Voltage System?
Get custom high voltage vacuum feedthroughs with ≤10⁻⁹ Torr leaks, 100–500 kV ratings, and fast delivery. Limited stock available for standard models!
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Dr. Wang Lei
Senior Electrical Engineer & High-Voltage Specialist
With 20+ years of experience in high-voltage vacuum systems, Dr. Wang Lei leads the R&D team at Hebei Yuanchang. He holds a Ph.D. in Electrical Engineering from Tsinghua University and has published 15+ papers on UHV insulation technologies. His expertise spans semiconductor, fusion, and aerospace applications, ensuring our feedthroughs meet the highest global standards.
Trusted by Global Leaders in High-Voltage Technology
"Hebei Yuanchang’s feedthroughs reduced our ion implanter downtime by 60%. Their AlN ceramic withstood 200 kV without a single failure over 2 years."
Dr. Lisa Chen
Senior Process Engineer, ASML
"For our fusion tokamak, we needed 500 kV feedthroughs with 10⁻⁹ Torr leaks. Hebei Yuanchang delivered on spec, on time—critical for our ITER collaboration."
Dr. Raj Patel
Plasma Physicist, CERN
"Their custom 25-pin feedthrough for our space chamber passed NASA thermal vacuum tests on the first try. Unmatched precision."
Mark Johnson
Test Engineer, NASA JPL
Compliance & Certifications
ISO 9001:2015
CE Marking
UL Certified
RoHS Compliant
ASME BPVC
All products comply with IEC 60660-1, MIL-STD-883, and ASTM F2391 standards.