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Metalized Ceramic Vacuum Tube

Name: Metalized Ceramic Vacuum Tube
Brand: Ultronic
SKU: 116898327

US$ 0.01 - 0.02 MOQ: 10000 Pieces

Key Specifications

Place of Origin:

Hunan, China

Brand Name:

Ultronic

Model Number:

Client's Drawing

Changsha Ultronic Ceramic Technology Co., Limited

6Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

shenzhen

Delivery Detail:

Delivery time depends on order quantity.

Place of Origin Hunan, China

Brand Name Ultronic

Model Number Client's Drawing

Type Insulating Ceramics

Material Alumina

Alumina

Feature:

High mechanical strength High dielectric strength

Low loss in high frequency Low gas leakage coefficient

High voltage resistance Good dimension

The ceramic chips widely apply in the electronic component seal because the precise dimension and the insulating ability

Materials Performance

	Item		Unit	Performance
				Alumina ceramic				steatite ceramic
				90%	92%	95%	96%	steatite ceramic
Ceramic Body	Appearance	Colour	-	white,ivory white,brown,black				white,off-white
	Mechanical Characters	Bulk Density	g/cm3	≥3.6	≥3.65	≥3.7	≥3..75	2.7
		Water Absorption	%	0				0
		Flexural strength	MPa	280	300	310	320	150
		(HV) Hardness	GPa	12				5.8
	Thermal Characters	Coefficient of linear thermal expansion	20℃~800℃ ×10-6mm/℃	6.3~7.3	6.4~7.4	6.5~7.5	6.8~7.8	8.0
	Thermal Characters	Thermal Conductivity	W/(m.K)	12	16	20	23	2
	Electrical Characters	(1MHz) Dielectric constant(1MHz)	—	9~10	9~10	9~10	10	7.5
		Dielectric loss angle	×10-4	≤6	≤5	≤4	≤3	8
		Dielectric Strength	KV/mm	15	20	24	28	18
Metalized Ceramics		Gas leakage coefficient	Pa.m3/s	≤10-8				-
		Volume resistivity	Ω.cm	≥1015				-
		Combined strength	MPa	≥120				-
		Thickness of Metal	μm	≥20				-