江西景光电子有限公司近年开发生产的适用于德国罗芬激光机作功率源放大用的*K12-4电子管现已大量供应欧美市场。应国内用户要求，现将该产品有关技术参数上网发布。The *K 12-4 is a high-power, high-μ triode designed specifically for industrial applications.This tube uses a coaxial design and metal-ceramic technology. It may be operated in CW or pulse modes. For operation in pulse mode, the parameters depends on each equipment characteristics,contact us for specific information.This product is designed, developed and manufactured at an ISO 9001 registered production site.Electrical characteristicsCathode thoriated tungstenFilament voltage 灯丝电压 ( 5 %, -10 %) (1)
5.8 VFilament current 灯丝电流
145 ASurge current 600 A max.Cold resistance 5 mÙCapacitances :• grid-anode 输出电容21 pF• grid-cathode输入电容 60 pF• cathode-anode (2)跨路电容 0.2 pFAmplification factor 放大系数220 approx.Transconductance (Va : 10 kV, Ia : 4 A) 跨导65 mA/V approx.Mechanical characteristicsOperating position vertical, anode up or downWeight净重3.1 kg approx.Dimensions see outline drawingFilament connections connector TH 16143Maximum ratingsFrequency (3) 工作频率120 MHzAnode voltage 阳压:• up to 80 MHz 12 kV• from 80 to 100 MHz 10 kV• from 100 to 120 MHz 8 kVControl grid voltage控制栅栅压
- 1500 VPeak cathode current, CW 28 AAnode dissipation阳*耗散功率:• industrial water 13 kW• distilled or deionized water 15 kWGrid dissipation 栅*耗散功率:• up to 80 MHz 450 W• from 80 to 100 MHz 420 W• from 100 to 120 MHz 390 WGrid resistance (tube non conducting) 10 KÙmax.CoolingAnode cooling water阳*水冷却Cooling water flow and pressure gradient see cooling curvesTemperature at outlet (industrial water) 60 °C max.Cooling water inlet pressure 5 bar max.Temperature at any point on tube envelope 220 °C max.Air flow on filament head 0.5 m3/mnT*ical operation (4) 典型工作状态Cl* C RF amplifier or oscillator, CWFrequency
30
60 MHzAnode voltage
10
8 kVGrid bias
- 210
- 200 VGrid voltage
515
500 VAnode current (5)
4
3.8 AGrid current (5)
1.4
1.4 AAnode input power
40
30.4 kWAnode output power (oscillator) 30
