Hitech Vacuum Tubes

Our range of Hitech Vacuum Tubes are available in different lengths and diameters to serve diverse applications and are made of premium quality. These Hitech Vacuum Tubes are highly durable and have long lasting functional life.
Tube structure
All-glass double-tube co-axial structure
Glass material
Borosilicate 3.3glass
Outer tube diameter and glass thickness
I =47A 0.7mm &=1.6mm A 0.15mm
I =58A 0.7mm &=1.6mm A 0.15mm
I =70A 0.7mm &=2.0mm A 0.15mm
Inter tube diameter and glass thickness
I =37A 0.7mm &=1.6mm A 0.15mm
I =47A 0.7mm &=1.6mm A 0.15mm
I =58A 0.7mm &=1.6mm A 0.15mm
Tube length
1200mm,1500mm,1600mm, 1800mm,1900mm ,2000mm , 2100mm
Absorber coating
Coating material
Cu/SS-ALN(H)/SS-AIN(L)
Sediment method
Three Targets magnetron sputtering plating
Absorptivity
a:0.93~0.96(AM1.5)
Emittance
Iua 6.0% (80A CA 5A C)
Vacuum degree
P a 5.0A 10-3 Pa
Transmittance of glass tube
T a Y0.89(AM1.5 ISO9806-1:1994)
Stagnation parameter
Y:240~260 mA A C/kw
Average heat loss
ULTa 0.6W/(mA *A C)
Hail resistance
I 25 mm
Pressure-endure
0.6 Mpa