INDUSTRY COMPONENT

Insulating Sleeve/Collar

Insulating sleeve/collar for EFO electrode/wand providing electrical isolation and thermal protection in high-voltage applications.

Component Specifications

Definition
A precision-engineered insulating component designed specifically for EFO (Electronic Flame-Off) electrodes or wands, which provides critical electrical insulation between the high-voltage electrode and surrounding conductive parts. It prevents electrical arcing, reduces electromagnetic interference, and offers thermal protection in wire bonding and semiconductor manufacturing processes where high-frequency electrical discharges occur.
Working Principle
Works by creating a dielectric barrier between the high-voltage electrode (typically operating at 2-10 kV) and grounded components. The insulating material's high dielectric strength prevents current leakage and arcing, while its thermal properties dissipate heat generated during electrical discharge operations. The collar design ensures precise positioning and maintains consistent gap distances for reliable electrical isolation.
Materials
High-temperature ceramic (alumina or zirconia), PTFE (Polytetrafluoroethylene), PEEK (Polyether ether ketone), or silicone rubber with dielectric strength >15 kV/mm, thermal conductivity 0.2-2.0 W/m·K, operating temperature range -50°C to +300°C.
Technical Parameters
  • ID Tolerance ±0.05 mm
  • Wall Thickness 1.5-3.0 mm
  • Volume Resistivity >10^14 Ω·cm
  • Dielectric Strength >15 kV/mm
  • Thermal Conductivity 0.2-2.0 W/m·K
  • Operating Temperature -50°C to +300°C
Standards
ISO 1463, DIN 46435, IEC 60243

Industry Taxonomies & Aliases

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

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Electrical arcing due to insulation failure
  • Thermal degradation at high temperatures
  • Mechanical cracking from vibration
  • Contamination reducing dielectric strength
  • Improper installation causing gaps
FMEA Triads
Trigger: Material degradation from prolonged high-temperature exposure
Failure: Reduced dielectric strength leading to electrical arcing
Mitigation: Use high-temperature rated materials (PEEK/ceramic), implement regular thermal monitoring, establish preventive replacement schedules
Trigger: Mechanical stress from vibration or improper handling
Failure: Cracks forming in insulation, creating leakage paths
Mitigation: Design with stress relief features, use vibration-damping materials, implement proper installation procedures
Trigger: Contamination from process byproducts or cleaning agents
Failure: Surface tracking and reduced insulation resistance
Mitigation: Select chemically resistant materials, implement regular cleaning protocols, use protective coatings

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05 mm for critical dimensions, dielectric strength tolerance ±5% of rated value
Test Method
High-potential testing per IEC 60243, dimensional verification with CMM, thermal cycling per MIL-STD-810

Buyer Feedback

★★★★☆ 4.5 / 5.0 (18 reviews)

"Found 30+ suppliers for Insulating Sleeve/Collar on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Insulating Sleeve/Collar is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Insulating Sleeve/Collar so far."

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Frequently Asked Questions

What is the primary function of an insulating sleeve/collar in EFO applications?

The primary function is to provide electrical isolation between the high-voltage electrode and surrounding components, preventing electrical arcing, reducing EMI, and ensuring operator safety during wire bonding operations.

How often should insulating sleeves be replaced in EFO equipment?

Replacement intervals depend on operating conditions, but typically range from 6-12 months. Regular inspection for cracks, carbon tracking, or thermal degradation is recommended during preventive maintenance.

Can different material types be used for insulating sleeves?

Yes, materials are selected based on application requirements. Ceramics offer superior thermal and dielectric properties for high-power applications, while PTFE and PEEK provide better mechanical flexibility and chemical resistance.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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