Description: Gas discharge tube: zm72810 3R230T
Diameter:7.2/8mm
Height:10mm
Type(have no lead wire);zm72810 3R75,90,150,230,250.350.420,470
(have crooked lead wire)
zm72810 3R75B,90B,150B,230B,250B.350B.420B,470B
(have lead wire):zm72810 3R75T,90T,150T,230T,250T.350T.420T,470T
(have fail safe):zm72810 3R75BF,90BF,150BF,230BF,250BF.350BF.420BF,470BF
Nominal D.C Spark-over voltage100v/s (v):230
Tolerance of Vs (v):positive or negative20
Impulse spark-over voltage 1kv/ microsecond (v):
less than or more than 750
Impulse discharge current 8/20 microsecond (KA):10x2
Impulse discharge current 10/1000 microsecond (A/times):
100/300
Alternating discharge current 50HZ-10times(A):10x2
Insulation resistance():>1G
Capacitance (pf):less than or equal to1.5
Holdover voltage:135