真空触发管是一种高电压，大电流快速脉冲开关。它具有耐高压、体积小、无噪声、快速点燃和快速恢复等优点。广泛应用于电容器组放电装置。激光系统中作高压，高重复频率的脉冲开关等。 Thevacuumtriggertubeisakindoffastpulseswitchesapplicableforhighvoltageandcurrent.Itoffersanumberofadvantages,suchashighwithstandvoltage,smallinsize.nonoise,fastignitionandfastrecovery,etc.So,itiswidelyusedastheHV,frequently-operated,pulseswitchinthedischargeunitsofacapacitorbankandthelasersystems.