Gas discharge tube: zm72810 3R230BF

             Diameter:7.2/8mm

                Height:10mm

Type(have no lead wire);zm72810 3R75,90,150,230,250,350,420,470

(have lead wire)zm72810 3R75B,90B,150B,230B,250B,350B,420B,470B

(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):≤750

Impulse discharge current 8/20 microsecond (KA):10X2

Impulse discharge current 10/1000 microsecond (A/times):100X2/300

Alternating discharge current 50HZ-10times(A):10X2

Insulation resistance(Ω):>10⁹

Capacitance (pf):≤1.5

Holdover voltage:135