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An assembly which provides for the transfer of electrical power, gases or fluids from outside a hermetic chamber to the inside. Feedthroughs can provide both a hermetic seal and electrical isolation from the chamber wall. Feedthroughs are sometimes referred to as 'pass-throughs'.
CeramTec feedthroughs provide the solutions for applications requiring hermeticity and electrical isolation.
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8 Kilovolt (kV) Direct Current (DC) Voltage Rating and Up to 800 Ampere (A) Conductor Current Rating High Power/Liquid Cooled Feedthroughs

Copper Tube Weld Installation High Power/Liquid Cooled Feedthrough with 0.5 Inch Conductor Diameter
8 Kilovolt (kV) Direct Current (DC) Voltage Rating and Up to 800 Ampere (A) Conductor Current Rating High Power/Liquid Cooled Feedthroughs

Copper Pin Weld Installation High Power/Liquid Cooled Feedthrough with 0.5 Inch Conductor Diameter
8 Kilovolt (kV) Direct Current (DC) Voltage Rating and Up to 800 Ampere (A) Conductor Current Rating High Power/Liquid Cooled Feedthroughs

Copper Tube Weld Installation High Power/Liquid Cooled Feedthrough with 0.75 Inch Conductor Diameter
8 Kilovolt (kV) Direct Current (DC) Voltage Rating and Up to 800 Ampere (A) Conductor Current Rating High Power/Liquid Cooled Feedthroughs

Copper Pin Weld Installation High Power/Liquid Cooled Feedthrough with 0.75 Inch Conductor Diameter
Copper Tube International Organization for Standardization (ISO) Flange Installation High Power/Liquid Cooled Feedthrough with 0.5 Inch Conductor Diameter

Copper Tube International Organization for Standardization (ISO) Flange Installation High Power/Liquid Cooled Feedthrough with 0.5 Inch Conductor Diameter
Description N/A An assembly which provides for the transfer of electrical power, gases or fluids from outside a hermetic chamber to the inside. Feedthroughs can provide both a hermetic seal and electrical isolation from the chamber wall. Feedthroughs are sometimes referred to as 'pass-throughs'.
CeramTec feedthroughs provide the solutions for applications requiring hermeticity and electrical isolation.
Direct Current (DC) Voltage Rating N/A 8 kV
Conductor Current Rating1 N/A N/A 470 A N/A N/A 800 A N/A
Temperature Range N/A -269 to 450 ºC N/A -269 to 450 ºC N/A -269 to 450 ºC N/A -269 to 450 ºC N/A -25 to 205 ºC
Pressure at 20 Degree Celsius (ºC) Temperature N/A 350 psig24 bar N/A 350 psig24 bar N/A 250 psig17 bar N/A 250 psig17 bar N/A
Number of Tubes N/A 1 N/A N/A 1 N/A N/A 1
Number of Pins N/A N/A 1 N/A N/A 1 N/A
Conductor Diameter N/A 0.500 in12.7 mm N/A 0.500 in12.7 mm N/A 0.750 in19.0 mm N/A 0.750 in19.0 mm N/A 0.500 in12.7 mm
Conductor Width N/A 0.032 in0.81 mm N/A N/A 0.032 in0.81 mm N/A N/A 0.032 in0.81 mm
Housing Material N/A 304 Stainless Steel
Pin Material N/A N/A Copper N/A N/A Copper N/A
Tube Material N/A Copper N/A N/A Copper N/A N/A Copper
Insulation Material N/A Alumina Ceramic
Magnetic Material N/A true
Installation N/A Weld N/A Weld N/A Weld N/A Weld N/A International Organization for Standardization (ISO) Flange
Installation Size N/A N/A N/A N/A N/A NW25KF
Flange Size N/A
Welding Type N/A Electron Beam (E-Beam) Welding Laser Welding Pulse-Tungsten Inert Gas (TIG) Welding Tungsten Inert Gas (TIG) Welding N/A Electron Beam (E-Beam) Welding Laser Welding Pulse-Tungsten Inert Gas (TIG) Welding Tungsten Inert Gas (TIG) Welding N/A Electron Beam (E-Beam) Welding Laser Welding Pulse-Tungsten Inert Gas (TIG) Welding Tungsten Inert Gas (TIG) Welding N/A Electron Beam (E-Beam) Welding Laser Welding Pulse-Tungsten Inert Gas (TIG) Welding Tungsten Inert Gas (TIG) Welding N/A
Additional Information N/A In addition to remaining leak-free in high and ultra-high vacuum, many of Ceramaseal® feedthroughs can accommodate:
  • High temperatures
  • Cryogenic temperatures
  • High pressure
  • Aggressive chemicals
A feedthrough is basically defined by the requirements for installation, insulation, and conductor material. The method of interconnection is flexible and left to the customer’s discretion. A selection of push on contacts can be found in the Accessories section of this catalog.
Extreme/Custom Design N/A
  • Multiple feedthrough flange assemblies
  • 940-pin header assembly
  • Corona-free designs to 180 kV DC
  • Currents in excess of 2,500 Amps
  • Pressures to 30,000 psig
Applications N/A A few of the many applications in which these feedthroughs are commonly used are:
  • Semiconductor processing equipment
  • Particle accelerators
  • Furnaces
  • Analytical equipment
  • In-vacuum coating
  • Satellite instrumentation
  • X-ray detection equipment
New Products N/A
  • New high-density, low current feedthroughs
  • Micro & Mini HV (high voltage) feedthroughs with mating air side cable assemblies
  • 40 & 50 kV feedthroughs with mating air side cable assemblies
  • 0.154 & 0.250 Power Plugs for safe high voltage and high current connectivity
Accessories N/A Part Number - 18738-01-A
Description - Accepts wire up to 0.500 [12.7]
Material - Copper
Type - 0.500 Clamp Type Contacts

Part Number - 18739-01-A
Description - Accepts wire up to 0.750 [19.0]
Material - Copper
Type - 0.750 Clamp Type Contacts
Features N/A Accelerators Cryogenics Fusion High Current High Energy Physics High Temperature High Voltage Laser Technology Microwave Nuclear Photovoltaic Semiconductor Equipment Superconductivity Ultra-High Vacuum
  • 1 Current carrying capacity of the tubular feedthroughs varies based on the coolant used and the flow rate.