This electron tube socket is used for tubes as FU-5, FU-13, FU-811, FD-422, 805, 813, 811, 572B, 2E22.
Material: Gilt phosphor bronze,Ceramics,Electroplating iron
Working Voltage: 2000V
Contact Resistance >0.02Ω
Insulation Resistance <10000MΩ
Useful Life: 200 times
Inner diameter :14mm