热丝加热 Uh …………………………......................6.3 V Ih ………………………….......................0.3 A 最大额定值(每单元) 阳极电压…………………….................300 V 正栅压…………………………................0 V 阳极耗散功率………………...............1 W 热丝阴极间电压…………….............±90 V 静态参数 Ua…………………………......................250 V Ug…………………………........................-2 V Ia…………………………..........................2.3 mA Gm………………………….......................1.6 mA/V ri…………………………...........................44 kΩ µ…………………………...........................70 |