9T94A型電子管為大功率金屬陶瓷三管，采用π釷鎢陰，嵌入式柵結構。工作25MHz,陽輸出功率為170kW,主要用于工業(yè)高頻加熱加熱裝置。
特性參數
燈絲電壓.................................................. 13V
燈絲電流...................................................330A
放大系數...................................................30
跨導......................................................70mA/V
間電容
陽柵電容..................................................114pF
陰柵電容..................................................79pF
陽陰電容..................................................3.6pF
安裝方式.....................................軸向垂直，陽向下
冷卻方式..................................................水冷
出口水溫..............................................60℃
金屬陶瓷封接處工作溫度................................250℃
高度..................................................575mm
直徑..................................................178mm
凈重......................................................10kg
管座：強制空氣冷卻
小風量………………………………………………………………1m3/min
限運用值
陽直流電壓..........................................14kV
柵直流電壓..........................................-2000V
陽直流電流..........................................16A
柵直流電流..........................................-2.7A
陽耗散功率..............................................80kW
柵耗散功率..............................................2kW
典型工作狀態(tài)
陽直流電壓..............................................14kV
陽直流電流..............................................15.8A
柵直流電流..............................................2.35A
柵電流阻................................................600Ω
陽輸出功率..............................................170kW