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Kovar 4Jj29 Glass to Metal Seal Connectors Hermetic RF Feedthroughs

  • Kovar 4J29 material ensures high mechanical strength and excellent thermal expansion properties for superior performance in extreme conditions
  • Glass to metal hermetic seal guarantees leak-proof performance, providing reliable protection against contaminants and harsh environments
  • Optimized for RF feedthroughs, minimizing signal loss and reflection for high-quality, stable signal transmission in high-frequency applications
  • Highly durable and reliable, designed for use in aerospace, defense, telecommunications, and other high-reliability industries
  • Perfect for demanding environments such as vacuum, high-pressure, and high-temperature applications, ensuring long-lasting performance

Glass-To-Metal-Seal-Connectors

Glass to Metal Hermetic RF/DC Feedthroughs/Seals /Multi-pin Headers /Connector is also called Glass insulator. They are mainly used to transmit microwave signals, power signals and control signals between modules and modules, modules and components with gas sealing requirements. They are one of the most critical components in sealing components. The glass with low dielectric constant and low dielectric loss is used as insulating and supporting material. The housing and conductor is made of Kovar alloy that sintered under high temperature, and the surface is gold plated. The centerconductor has a variety of termination styles such as gold wire bonding, soldering and mating etc. Glass insulators are small, lightweight, hermetic, high reliable and have been widespread in electronics manufacturing industries in recent years.

Structure

Glass insulator is composed of three parts: outer conductor/shell, glass medium and center conductor/pin.Its basic structure is shown in the figure.

Glass-To-Metal-Seal-Connectors-Structure

Reliability Requirements

Applications

Our Advantages

Production Process

1. Put forward demand

2. Sketch design

3. Production equipment

4. Production measurement

5. Product assembly

6. Quality test

7. Product packaging

8. Product packag box

9. Deliver goods

Product Specification

Impedance

50 ohm

Number of Positions

1 Pin

Row

1

Shell Finish

Gold Plated

Shell Material

Kovar 4J29

Glass Material

7050, 7070, DM308

Glass Color

Green, White

Frequency Range

DC-50 GHz

VSWR

≤1.20

Withstand Voltage

≥300V

Hermeticity Leak Rate

< 1.01325×10-3 Pa*cm³/s, < 1×10-9 ccHe/sec @ 1 atm, < 1×10-9 mbar*l/s

Insulation Resistance

≥1000MΩ for multi-pin, ≥2000MΩ for single pin

Operating Temperature

-65℃ to +260℃

Impedance

50 ohm

Number of Positions

1 Pin

Row

1

Shell Finish

Gold Plated

Shell Material

Kovar 4J29

Glass Material

7050, 7070, DM308

Glass Color

Green, White

Frequency Range

DC-50 GHz

VSWR

≤1.20

Withstand Voltage

≥300V

Hermeticity Leak Rate

< 1.01325×10-3 Pa*cm³/s, < 1×10-9 ccHe/sec @ 1 atm, < 1×10-9 mbar*l/s

Insulation Resistance

≥1000MΩ for multi-pin, ≥2000MΩ for single pin

Operating Temperature

-65℃ to +260℃

Impedance

50 ohm

Number of Positions

1 Pin

Row

1

Shell Finish

Gold Plated

Shell Material

Kovar 4J29

Glass Material

7050, 7070, DM308

Glass Color

Green, White

Frequency Range

DC-50 GHz

VSWR

≤1.20

Withstand Voltage

≥300V

Hermeticity Leak Rate

< 1.01325×10-3 Pa*cm³/s, < 1×10-9 ccHe/sec @ 1 atm, < 1×10-9 mbar*l/s

Insulation Resistance

≥1000MΩ for multi-pin, ≥2000MΩ for single pin

Operating Temperature

-65℃ to +260℃