LL3377GGBBGB/T90431999neqITU-TK.12:1995Generaltechnicalrequirementsofgasdischargetubesfortheover-voltageprotectionoftelecommunicationsinstallationsGB/TITU-TK.1219955GB/T7450-1987GB/T1.1199311GB/T1.3199713ITU-TK.12GB/T904319881.42.3.150V4.5.A6.BISDN7.3.8CABCGB/T9043198819884GB/TITU-TITU-TITU-TWTSCITU-TITU-TWTSC1199331~12ITU-TK.12ITU-T1993~1996WTSC11995531Generaltechnicalrequirementsofgasdischargetubesfortheover-voltageprotectionoftelecommunicationsinstallationsGB/T2423.1—1989AeqvIEC08-2-11974GB/T2423.2—1989BeqvIEC68-2-21974GB/T2423.41993DbeqvIEC68-2-301980GB/T2423.619952EbidtIEC68-2-291987GB/T2423.1019952FcidtIEC68-2-61982GB/T2423.231995QGB/T2423.281982TeqvIEC68-2-201979GB/T2423.291982UeqvIEC68-2-211980GB/T28281987GB87031988GB163531996GB/TneqITU-TK.GB/Tgasdischargetubebreakdown(spark-over)spark-overvoltagespark-overvoltagenominalD.Cspark-overvoltageimpulsespark-overvoltageimpulsetransversevoltagholdovervoltagecurrentturn-offtimedischargecurrendischargecurrenalternatingnominalcurrent4impulsedischargecurrentfollowcurrentGB/T—EGB/T709015025%230250300350470600800160020%997%U+3SU3S95.0%U+1.96SU1.96S706007009015070080023025030035080090047090010006001200140080014001600160026002800997%U+3SU3S4GB/T7090150230250300350470600109108800160010101093GB/T121s3minAA10/1000s300(3min)A8/20s10(3min)kA2.52.55502.5555100510105100102020102002045~75~106kPa2Uma5mA15mA24hGB/T2Umax1kV/sGB/T7025901505023025030035010047060025080050016001000PS5280135R2603301300R150150CnF100100µPS1min5PS1PS2R2R3R4C1C27PS1PS2710/1000µPS1PS21min8GB/TDDDDPS1V5280135PS2V0052R2150150R32603301300R4136136136C1nF100100C2nF838383µ800415minaGB/TbRRµµGB/TGB/TGB/TGB/T281982Tb1B5GB/T101995Fc10Hz500Hz0.15mm45min5.35.45.5GB/T2423.61995Eb100m/s216ms6080/min10005.35.45.5GB/T2423.41993Db2d1h108GB/T2423.231995Qk600h0.01Pacm3/sQkQc1GB/T2423.21989Bb852h1h5.35.4GB/T2423.11989Ab402h1h5.35.4GB/T2828ILAQL8812345.25.35.45.56.26.36.40.650.6511GB/T9DNDnc5.215.36.235.46.340ND5.56.410020005.66.501ND5.76.62012D5.96.8.120531D5.96.8.2.120542D5.96.8.2.22055ND5.86.71015.35.47.77.8346D5.57.52007D5.35.47.11005.35.47.21007.3108DD5.35.45.57.47.610341DNDnc2180314251212GB/TGB/TAAABISDNGB/TC