Dielectric insulator for high-frequency RF coaxial connectors providing electrical isolation and signal integrity.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| VSWR | <1.2:1 | |
| Impedance | 50Ω or 75Ω | |
| Loss Tangent | <0.0002 to 0.002 at 10GHz | |
| Insertion Loss | <0.1dB at 18GHz | |
| Voltage Rating | 500V to 5kV RMS | |
| Frequency Range | DC to 40GHz | |
| Temperature Range | -65°C to +200°C | |
| Dielectric Constant | 2.1-9.8 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
Precision coaxial connector for high-frequency signal transmission in communication equipment.
Precision connector for transmitting radio frequency signals in electronic assemblies
A conductive pathway within a phase shifter that carries electrical signals between components.
A practical evidence checklist for RFQ preparation and supplier evaluation.
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Manufacturer profiles associated with Dielectric Insulator.
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The primary function is to electrically isolate the center conductor from the outer conductor while maintaining precise impedance matching to ensure minimal signal reflection and maximum power transfer in high-frequency applications.
Dielectric constant determines the insulator's ability to store electrical energy. Lower values (like PTFE's 2.1) reduce signal propagation delay and capacitance, enabling higher frequency operation with lower loss, while higher values (like ceramic's 9.8) allow for smaller physical dimensions at the cost of increased signal attenuation.
Common failures include dielectric breakdown from voltage surges, thermal degradation at high temperatures, moisture absorption causing impedance shifts, mechanical cracking from vibration or thermal cycling, and corona discharge in high-voltage applications.
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