INDUSTRY COMPONENT

Insulating Sleeve/Washer

Insulating sleeve/washer for antenna clamping mechanisms providing electrical isolation and mechanical protection.

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Component Specifications

Definition
A precision-engineered insulating component used in antenna clamping mechanisms to prevent electrical current leakage, reduce electromagnetic interference, and provide mechanical separation between conductive elements. It serves as both a physical barrier and dielectric medium to maintain signal integrity and prevent short circuits in RF applications.
Working Principle
Functions by creating a high-resistance dielectric barrier between conductive surfaces, utilizing material properties to block electrical current flow while allowing electromagnetic signals to pass through with minimal attenuation. The sleeve/washer design provides both radial and axial insulation while maintaining structural integrity under mechanical clamping forces.
Materials
Typically manufactured from PTFE (Polytetrafluoroethylene), silicone rubber, ceramic-filled polymers, or high-temperature thermoplastics with dielectric strength >15 kV/mm, volume resistivity >10^14 Ω·cm, and thermal stability from -60°C to +250°C.
Technical Parameters
  • Compression Set <20%
  • Water Absorption <0.1%
  • Volume Resistivity ≥10^14 Ω·cm
  • Dielectric Strength ≥15 kV/mm
  • Flammability Rating UL94 V-0
  • Operating Temperature -60°C to +250°C
  • Wall Thickness Tolerance ±0.1 mm
Standards
ISO 9001, IEC 60601-1, UL 94, ASTM D149

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Insulating Sleeve/Washer.

insulating sleeve antenna washer dielectric spacer RF insulation electrical isolation PTFE insulator antenna clamping EMI protection Insulating Sleeve/Washer Insulating Sleeve/Washer in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Antenna Clamping Mechanism

A mechanical component designed to securely fasten and position an antenna within an internal mounting system.

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Engineering Analysis

Risks & Mitigation
  • Dielectric breakdown under high voltage
  • Material degradation at extreme temperatures
  • Compression set leading to permanent deformation
  • Moisture absorption reducing insulation resistance
FMEA Triads
Trigger: Material contamination during manufacturing
Failure: Reduced dielectric strength leading to electrical breakdown
Mitigation: Implement cleanroom manufacturing processes and 100% dielectric testing
Trigger: Incorrect installation torque
Failure: Compression set or insufficient clamping force
Mitigation: Provide torque specifications and installation training
Trigger: Environmental exposure to UV or chemicals
Failure: Material degradation and loss of insulation properties
Mitigation: Use UV-stabilized materials and provide environmental compatibility guidelines

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm dimensional tolerance, dielectric strength tolerance ±5%
Test Method
ASTM D149 for dielectric strength, ASTM D257 for volume resistivity, ISO 815 for compression set

Buyer Feedback

★★★★☆ 4.8 / 5.0 (14 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Insulating Sleeve/Washer meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Insulating Sleeve/Washer arrived with full certification."

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Frequently Asked Questions

What is the primary function of an insulating sleeve/washer in antenna systems?

The primary function is to provide electrical isolation between conductive components in antenna clamping mechanisms, preventing short circuits, reducing electromagnetic interference, and maintaining signal integrity in RF applications.

What materials are commonly used for high-temperature applications?

PTFE (Teflon) and ceramic-filled polymers are preferred for high-temperature applications due to their excellent thermal stability, maintaining dielectric properties up to 250°C while resisting chemical degradation.

How does compression affect insulating washer performance?

Proper compression ensures consistent dielectric properties and mechanical stability. Over-compression can cause material deformation and reduced insulation effectiveness, while under-compression may lead to poor electrical contact and vibration issues.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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