Low Gas Emission Ceramics" "Bead Insulators for High Voltage Circuit Wiring

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Ceramic standard products for high voltage circuit wiring insulators

last updated：Jan 31, 2025

友玉園セラミックス

Official site

[RoHS Compliant] This product is designed to be applicable under any conditions as an insulator for circuits that require high voltage wiring.

As of January 2025, some product numbers have been discontinued. Please check our website for the latest information on standard products. ■□■ Features of Glass Insulators ■□■ ● Excellent electrical properties ● High heat resistance ● Low water absorption ● Excellent mechanical properties ● Long lifespan ● Low gas emission In addition to product examples, we can accommodate various shapes to meet your technical specifications, so please feel free to contact us. ● Minimum order quantity is "1,000 pieces" ● Order quantity unit is "in multiples of 1,000 pieces" *Our company also manufactures and sells insulators with lead wires attached, but in that case, there is no minimum lot for the insulators. For more details, please refer to the separate article "【Low Gas Emission Ceramics】 Insulators with Lead Wires for High Voltage Circuit Wiring."

Related Link - https://www.yugyokuen-ceramics.com/products/basic

Inquire About This Product

basic information

From the blending of ceramic materials to assembly... We respond to the diverse needs of various industrial sectors with high-purity, high-precision fine ceramics products. With precise curved surface processing, we offer great deformation freedom and compatibility, and our fine ceramics are widely used in various electrical circuits, being relied upon for many years in various fields. ■□■ For more details, please download the PDF or feel free to contact us. ■□■

Price information

For orders under 30,000 yen, an additional shipping fee of 1,500 yen will be charged. Prices may vary depending on quantity and lot.

Price range

Delivery Time

Please contact us for details

※If we have stock, we will deliver within a few days. Please feel free to contact us first.

Applications/Examples of results

Our fine ceramics products play a central role as components in cutting-edge devices and equipment, actively contributing to semiconductor-related, industrial, analytical and electronic optics-related, living environment-related, medical-related, and IT-related fields.

Detailed information

This is a shape diagram of the bead obstacle. Please refer to the lineup for the dimensions for each model number. D will be the () dimension, so it will be an approximate value.

Line up（7）

Model number	overview
A-1	Outer diameter: Φ2.5±0.2 Inner diameter: Φ1.2±0.15 Height: 5.0±0.2 (D): 1.0 Material: Steatite
A-2	Outer diameter: Φ5.0±0.2 Inner diameter: Φ2.0±0.15 Height: 5.0±0.2 (D): 1.6 Material: Alumina
A-3	Outer diameter: Φ6.6±0.3 Inner diameter: Φ3.8±0.2 Height: 6.4±0.3 (D): 2.0 Material: Steatite
A-5	Outer diameter: Φ2.5±0.2 Inner diameter: Φ1.2±0.15 Height: 2.5±0.2 (D): 1.0 Material: Alumina
A-6	Outer diameter: Φ6.6±0.3 Inner diameter: Φ3.8±0.2 Height: 6.4±0.3 (D): 2.0 Material: Alumina
A-7	Outer diameter: Φ2.0±0.2 Inner diameter: Φ0.75±0.15 Height: 2.5±0.2 (D): 0.4 Material: Alumina
A-8	Outer diameter: Φ5.0±0.2 Inner diameter: Φ2.5±0.30 Height: 5.0±0.2 (D): 1.6 Material: Alumina